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Published: 2008-03-26

Purchase Agreement - FMC Corp. and Harsco Corp.



                                                                 [PROJECT PHLOX]
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                               PURCHASE AGREEMENT


                                      among


                                FMC CORPORATION,

                               HARSCO CORPORATION,

                             HARSCO UDLP CORPORATION

                                       and

                          IRON HORSE ACQUISITION CORP.


                       ___________________________________

                           Dated as of August 25, 1997
                       ___________________________________



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                                TABLE OF CONTENTS


                                                                            Page
                                                                            ----


1.   Certain Definitions; Purchase and Sale of Interests . . . . . . . . . . . 1
     (a)  Certain Definitions. . . . . . . . . . . . . . . . . . . . . . . . . 1
     (b)  Purchase and Sale of Interests; Final Purchase Price . . . . . . . . 3
     (c)  Estimated Final Purchase Price . . . . . . . . . . . . . . . . . . . 4

2.   Closing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
     (a)  Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
     (b)  Net Worth Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 5
     (c)  Limited Partnership Form of UDLP . . . . . . . . . . . . . . . . . . 7
     (d)  Transfer to FMC Affiliate. . . . . . . . . . . . . . . . . . . . . . 8

3.   Conditions to Closing . . . . . . . . . . . . . . . . . . . . . . . . . . 8
     (a)  Buyer's Obligation . . . . . . . . . . . . . . . . . . . . . . . . . 8
     (b)  Each Seller's Obligation . . . . . . . . . . . . . . . . . . . . . . 9

4.   Representations and Warranties of Sellers . . . . . . . . . . . . . . . .10

4A.  Representations and Warranties of FMC . . . . . . . . . . . . . . . . . .10
     (a)  Authority; No Conflicts. . . . . . . . . . . . . . . . . . . . . . .10
     (b)  Ownership of the Interests . . . . . . . . . . . . . . . . . . . . .11


4B.  Representations and Warranties of Harsco. . . . . . . . . . . . . . . . .11
     (a)  Authority; No Conflicts. . . . . . . . . . . . . . . . . . . . . . .11
     (b)  Ownership of the Interests . . . . . . . . . . . . . . . . . . . . .12

4C.  Representations and Warranties of Sellers . . . . . . . . . . . . . . . .12
     (a)  Authority; No Conflicts. . . . . . . . . . . . . . . . . . . . . . .12
     (b)  Ownership of the Interests . . . . . . . . . . . . . . . . . . . . .12
     (c)  Subsidiaries and Foreign Affiliates. . . . . . . . . . . . . . . . .13
     (d)  Financial Statements . . . . . . . . . . . . . . . . . . . . . . . .13
     (e)  Title to Tangible Assets Other than Real Property Interests. . . . .14
     (f)  Title to Real Property . . . . . . . . . . . . . . . . . . . . . . .14
     (g)  Intellectual Property. . . . . . . . . . . . . . . . . . . . . . . .15
     (h)  Material Contracts . . . . . . . . . . . . . . . . . . . . . . . . .15
     (i)  Litigation; Decrees. . . . . . . . . . . . . . . . . . . . . . . . .17
     (j)  Compliance with Applicable Laws. . . . . . . . . . . . . . . . . . .18
     (k)  Employee Benefit Plans . . . . . . . . . . . . . . . . . . . . . . .18
     (l)  Taxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21


                                       -i-



                                                                            Page
                                                                            ----

     (m)  Insurance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
     (n)  Environmental Compliance . . . . . . . . . . . . . . . . . . . . . .23
     (o)  Undisclosed Liabilities. . . . . . . . . . . . . . . . . . . . . . .24
     (p)  Absence of Certain Changes or Events . . . . . . . . . . . . . . . .24
     (q)  Government Contracts . . . . . . . . . . . . . . . . . . . . . . . .24
     (r)  Labor Relations. . . . . . . . . . . . . . . . . . . . . . . . . . .25
     (s)  Licenses, Permits and Authorizations . . . . . . . . . . . . . . . .26
     (t)  Assets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
     (u)  Loss Contracts; Backlog. . . . . . . . . . . . . . . . . . . . . . .26
     (v)  Customers, Distributors and Suppliers. . . . . . . . . . . . . . . .26
     (w)  Dividends by Foreign Affiliates. . . . . . . . . . . . . . . . . . .27

5.   Covenants of Sellers. . . . . . . . . . . . . . . . . . . . . . . . . . .27
     (a)  Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
     (b)  Ordinary Conduct . . . . . . . . . . . . . . . . . . . . . . . . . .27
     (c)  Confidentiality. . . . . . . . . . . . . . . . . . . . . . . . . . .29
     (d)  Preservation of Business . . . . . . . . . . . . . . . . . . . . . .30
     (e)  Covenant Not to Compete. . . . . . . . . . . . . . . . . . . . . . .30
     (f)  Cooperation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
     (g)  FMC Resource Transfer. . . . . . . . . . . . . . . . . . . . . . . .31
     (h)  Intercompany Obligations . . . . . . . . . . . . . . . . . . . . . .31
     (i)  Financing Obligations. . . . . . . . . . . . . . . . . . . . . . . .31
     (j)  Notification of Certain Matters. . . . . . . . . . . . . . . . . . .31
     (k)  FMC Arabia . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

6.   Representations and Warranties of Buyer . . . . . . . . . . . . . . . . .32
     (a)  Authority; No Conflicts. . . . . . . . . . . . . . . . . . . . . . .32
     (b)  Actions and Proceedings, etc.. . . . . . . . . . . . . . . . . . . .32
     (c)  Availability of Funds. . . . . . . . . . . . . . . . . . . . . . . .33
     (d)  Acquisition of Interests for Investment. . . . . . . . . . . . . . .33
     (e)  Fulfillment of Condition . . . . . . . . . . . . . . . . . . . . . .33

7.   Covenants of Buyer. . . . . . . . . . . . . . . . . . . . . . . . . . . .33
     (a)  Confidentiality. . . . . . . . . . . . . . . . . . . . . . . . . . .33
     (b)  Performance of Obligations by Buyer After Closing Date . . . . . . .34
     (c)  No Additional Representations; Disclaimer Regarding Estimates and
          Projections. . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
     (d)  Intentionally omitted. . . . . . . . . . . . . . . . . . . . . . . .35
     (e)  Certain Guaranties . . . . . . . . . . . . . . . . . . . . . . . . .35
     (f)  Retained Assets and Liabilities. . . . . . . . . . . . . . . . . . .35
     (g)  1997 Audited Financial Statements. . . . . . . . . . . . . . . . . .36



                                      -ii-



                                                                            Page
                                                                            ----

8.   Mutual Covenants. . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
     (a)  Consents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
     (b)  Publicity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
     (c)  Best Efforts . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
     (d)  HSR Act Compliance . . . . . . . . . . . . . . . . . . . . . . . . .38
     (e)  Cooperation with Financings. . . . . . . . . . . . . . . . . . . . .38
     (f)  Environmental Indemnification. . . . . . . . . . . . . . . . . . . .39
     (g)  Written Materials and Records. . . . . . . . . . . . . . . . . . . .43
     (h)  Transferred Employees and Employee Benefits. . . . . . . . . . . . .44
     (i)  Mutual Release . . . . . . . . . . . . . . . . . . . . . . . . . . .50
     (j)  Insurance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
     (k)  Transition Services Agreement. . . . . . . . . . . . . . . . . . . .51
     (l)  Technology and Environmental Services Agreement. . . . . . . . . . .51
     (m)  Lease. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
     (n)  Intellectual Property Agreements . . . . . . . . . . . . . . . . . .52
     (o)  Intellectual Property Recordations . . . . . . . . . . . . . . . . .52
     (p)  Cash Balance as of the Closing . . . . . . . . . . . . . . . . . . .52
     (q)  FNSS Royalty Dispute.  . . . . . . . . . . . . . . . . . . . . . . .52

9.   Further Assurances. . . . . . . . . . . . . . . . . . . . . . . . . . . .52

10.  Tax Matters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

11.  Indemnification . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
     (a)  Indemnification by Sellers . . . . . . . . . . . . . . . . . . . . .58
     (b)  Exclusive Remedy . . . . . . . . . . . . . . . . . . . . . . . . . .58
     (c)  Indemnification by Buyer . . . . . . . . . . . . . . . . . . . . . .59
     (d)  Losses Net of Insurance and Tax Benefits . . . . . . . . . . . . . .59
     (e)  Termination of Indemnification . . . . . . . . . . . . . . . . . . .60
     (f)  Procedures Relating to Indemnification . . . . . . . . . . . . . . .60

12.  Assignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .61

13.  No Third-Party Beneficiaries. . . . . . . . . . . . . . . . . . . . . . .62

14.  Termination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62


                                      -iii-



                                                                            Page
                                                                            ----

15.  Survival of Representations . . . . . . . . . . . . . . . . . . . . . . .63

16.  Expenses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

17.  Amendment and Waiver. . . . . . . . . . . . . . . . . . . . . . . . . . .63

18.  Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

19.  Interpretation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

20.  No Strict Construction. . . . . . . . . . . . . . . . . . . . . . . . . .65

21.  Counterparts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

22.  Entire Agreement. . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

23.  Brokerage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

24.  Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

25.  Representation by Counsel; Interpretation . . . . . . . . . . . . . . . .66

26.  Severability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

27.  Governing Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66

28.  Exhibits and Schedules. . . . . . . . . . . . . . . . . . . . . . . . . .67

29.  Dispute Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . .67
     (a)  Negotiation. . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
     (b)  Arbitration. . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

LIST OF EXHIBITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69

LIST OF SCHEDULES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70


                                      -iv-



                             INDEX OF DEFINED TERMS

                                                                            Page
                                                                            ----

Accounting Firm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Activity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Adjusted Net Worth Amount. . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Adjustment Amount. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Adjustment Principles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Affiliate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Agreement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Ancillary Agreements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Applicable Accounting Principles . . . . . . . . . . . . . . . . . . . . . . . 1
Backlog. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
BPI Award. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Business . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Buyer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Buyer Indemnified Parties. . . . . . . . . . . . . . . . . . . . . . . . . . .58
Buyer Released Parties . . . . . . . . . . . . . . . . . . . . . . . . . . . .50
CAS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Cause. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Closing Balance Sheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Closing Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Closing Statement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
COBRA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Continuing Guaranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Continuing LC Obligations. . . . . . . . . . . . . . . . . . . . . . . . . . .31
Defense Segment Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Diligence Confidentiality Agreement. . . . . . . . . . . . . . . . . . . . . .33
E&Y. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Environmental Claims . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Environmental Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . .23
ERISA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Estimated Final Purchase Price . . . . . . . . . . . . . . . . . . . . . . . . 4
Facility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
File Plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Final Purchase Price . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Financial Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Financing Obligations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
FMC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1


                                       -v-



                                                                            Page
                                                                            ----

FMC Arabia . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
FMC Arabia Interests . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
FMC Employee Benefit Plans . . . . . . . . . . . . . . . . . . . . . . . . . .18
FMC Insurers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
FMC Intellectual Property Agreement. . . . . . . . . . . . . . . . . . . . . .52
FMC Master Trusts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
FMC Salaried Plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
FMC Thrift Plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Foreign Affiliate Closing Balance Sheet. . . . . . . . . . . . . . . . . . . .56
Foreign Affiliate Tax Basket . . . . . . . . . . . . . . . . . . . . . . . . .53
Foreign Affiliates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
FRS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Government Contract. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Harsco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Harsco Intellectual Property Agreement . . . . . . . . . . . . . . . . . . . .52
Harsco Party . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Hazardous Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
HSR Act. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
HUC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Inactive Contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Income Tax Returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Income Taxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
indemnified party. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Initial Purchase Price . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Intellectual Property. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Interests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
IRS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
June 30 Balance Sheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
knowledge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Latest Financials. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Lease. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Leased Property. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Leased Sites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Liens. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Losses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Material Adverse Effect. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Material Contracts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
MIP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
Non-Allowable Costs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Notice of Disagreement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6


                                      -vi-




                                                                            Page
                                                                            ----

Other Taxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Owned Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Owned Property . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Pension Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Permitted Liens. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Personnel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Post-Closing Environmental Losses. . . . . . . . . . . . . . . . . . . . . . .41
Post-Closing Partial Period. . . . . . . . . . . . . . . . . . . . . . . . . .53
Pre-Closing Partial Period . . . . . . . . . . . . . . . . . . . . . . . . . .53
Principal Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Pro Rata Basis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Property . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Public Filings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Purchase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Records. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Remediation Costs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Remediation Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Representatives. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Required Consent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Retained Employees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Retained Liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
San Jose Plan. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Schedules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Scope of Activity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Seller Guaranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Seller Indemnified Parties . . . . . . . . . . . . . . . . . . . . . . . . . .59
Seller Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Seller Released Parties. . . . . . . . . . . . . . . . . . . . . . . . . . . .50
Sellers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Settlement and Advance Agreement . . . . . . . . . . . . . . . . . . . . . . .39
Sites. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Subsidiaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Substitute Letters of Credit . . . . . . . . . . . . . . . . . . . . . . . . .35
Target Adjusted Net Worth Amount . . . . . . . . . . . . . . . . . . . . . . . 3
Tax. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Tax Laws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Tax Returns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Taxes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Taxing Authority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Technology and Environmental Services Agreement. . . . . . . . . . . . . . . .51


                                      -vii-



                                                                            Page
                                                                            ----

Third Party Claim. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Timely Non-Allowable Costs . . . . . . . . . . . . . . . . . . . . . . . . . .40
Transfer Notice. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Transferred Employees. . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
Transition Services Agreement. . . . . . . . . . . . . . . . . . . . . . . . .51
UDLP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
UDLP Employee Benefit Plans. . . . . . . . . . . . . . . . . . . . . . . . . .18
UDLP Employees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
UDLP Thrift Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
UDLP's Share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57



                                     -viii-



                               PURCHASE AGREEMENT

          This PURCHASE AGREEMENT (this "AGREEMENT"), dated as of August 25,
1997, is entered into by and among FMC Corporation, a Delaware corporation
("FMC"), Harsco Corporation, a Delaware corporation, Harsco UDLP Corporation, a
Pennsylvania business corporation ("HUC" and, together with Harsco Corporation,
"HARSCO"), and Iron Horse Acquisition Corp., a Delaware corporation ("BUYER").
FMC and Harsco are collectively referred to herein as "SELLERS."

                              W I T N E S S E T H:

          WHEREAS, FMC is the sole owner and holder of 100% of the outstanding
general partnership interests of United Defense, L.P., a Delaware limited
partnership ("UDLP"), and HUC is the sole owner and holder of 100% of the
outstanding limited partnership interests of UDLP; and

          WHEREAS, Buyer desires to purchase from Sellers, and Sellers desire to
sell to Buyer, 100% of the outstanding general partnership and limited
partnership interests of UDLP (the "INTERESTS") (the sale and purchase of the
Interests being referred to herein as the "PURCHASE").

          NOW, THEREFORE, the parties hereto hereby agree as follows:

          1.   CERTAIN DEFINITIONS; PURCHASE AND SALE OF INTERESTS.

          (a)  CERTAIN DEFINITIONS.  As used in this Agreement (including the
Schedules and Exhibits hereto), the following definitions shall apply:

           (i) "AFFILIATE" shall mean any natural person, and any corporation,
     partnership or other entity, that directly, or indirectly through one or
     more intermediaries, controls or is controlled by or is under common
     control with the party specified.

          (ii) "ANCILLARY AGREEMENTS" shall mean the Transition Services
     Agreement, the Technology and Environmental Services Agreement, the Lease,
     the FMC Intellectual Property Agreement and the Harsco Intellectual
     Property Agreement.

         (iii) "APPLICABLE ACCOUNTING PRINCIPLES" shall mean United States
     generally accepted accounting principles as consistently applied in the
     preparation of the Financial Statements, subject to any exceptions
     therefrom disclosed in the notes to the Financial Statements.

          (iv) "BUSINESS" shall mean the entire business and operations of UDLP
     and its Subsidiaries and Foreign Affiliates as conducted on the date
     hereof, including the business to be transferred to UDLP pursuant to
     Section 5(g).



           (v) "FINANCING OBLIGATIONS" shall mean (i) indebtedness of UDLP or
     its Subsidiaries for borrowed money, (ii) obligations of UDLP or any of its
     Subsidiaries evidenced by bonds, notes, debentures, letters of credit or
     similar instruments, (iii) obligations of UDLP or any of its Subsidiaries
     under conditional sale, title retention or similar agreements or
     arrangements creating an obligation of UDLP or any of its Subsidiaries with
     respect to the deferred purchase price of property (other than customary
     trade credit), (iv) breakage and other costs relating to interest rate and
     currency obligation swaps, hedges or similar arrangements to which UDLP or
     any of its Subsidiaries is a party and (v) all obligations of UDLP or any
     of its Subsidiaries to guarantee any of the foregoing types of obligations
     on behalf of others.

          (vi) "INACTIVE CONTRACTS" shall mean all contracts or other legally
     binding arrangements, whether oral or written, which have been entered into
     or assumed by UDLP which provide for the delivery of products or the
     rendering of contract-defined deliverable services by a Seller or UDLP and
     with respect to which the final product has been delivered and the final
     service has been rendered.

         (vii) "INTELLECTUAL PROPERTY" shall mean all (i) domestic and foreign
     registrations of trademarks, service marks, logos, corporate names,
     protected models, designs, created works, trade names or other trade
     rights, (ii) pending applications for any such registrations, (iii) patents
     and registered copyrights and pending applications therefor, (iv) rights to
     other trademarks, service marks, copyrights, logos, corporate names,
     protected models, designs, created works, trade names and other trade
     rights and all other trade secrets, designs, plans, specifications,
     technology, know-how, methods, designs, concepts and other proprietary
     rights, whether or not registered and (v) rights under any licenses to use
     any copyrights, marks, trade names, trade rights, patents, registered
     models and designs, created works or other proprietary rights.

        (viii) The term "KNOWLEDGE," when used in the phrase "TO THE
     KNOWLEDGE OF SELLERS," shall mean, and shall be limited to, the actual
     knowledge after reasonable inquiry of the following individuals:  Larry D.
     Brady, Robert N. Burt, Michael J. Callahan, Randall S. Ellis, Ronald D.
     Mambu, J. Paul McGrath, Thomas W. Rabaut, Francis Raborn, David A. Kolovat,
     Peter C. Woglom (as to the operations of the Ground Systems Division of the
     Business), Frederick M. Strader (as to the operations of the Armament
     Systems Division of the Business), David Keller, Andy Eross and each
     current member of the Advisory Committee (as defined in that certain
     Partnership Agreement by and among Sellers and UDLP dated January 1, 1994).

          (ix) "MATERIAL ADVERSE EFFECT" shall mean a material adverse effect
     upon the Business or the assets, liabilities or financial condition of
     UDLP, its Subsidiaries and Foreign Affiliates taken as a whole.


                                       -2-



           (x) "PRO RATA BASIS" shall mean 60% with respect to FMC and 40% with
     respect to Harsco.

          (xi) "RETAINED LIABILITIES" shall mean any and all liabilities of
     Sellers, UDLP or any of its Subsidiaries arising out of, relating to, or in
     respect of the matters described on SCHEDULE 7(f) hereto.

         (xii) "SCHEDULES" shall mean the disclosure schedules attached
     hereto and incorporated by reference herein.

        (xiii) "SUBSIDIARIES" shall mean, with respect to any person, any
     corporation or other entity of which 50% or more of the voting power of the
     equity securities or equity interests is owned, directly or indirectly, by
     such person, and shall include (without limitation) in the case of UDLP,
     UDLP International, Inc., a Delaware corporation, UD United Defense
     International Sales Corporation, a Barbados corporation and UDLP
     Components, Limited, a Bermuda corporation, but shall specifically exclude
     the Foreign Affiliates.  Notwithstanding anything herein or on Schedule
     4C(c)-1, G&F Company, a California general partnership, shall not be deemed
     a "Subsidiary" for purposes of this Agreement.

All other capitalized terms used herein (or in the Schedules or Exhibits hereto)
and not defined above are defined elsewhere in this Agreement.  See "Index of
Defined Terms" above for references to the page numbers on which such terms are
defined.

          (b)  PURCHASE AND SALE OF INTERESTS; FINAL PURCHASE PRICE.  On the
terms and subject to the conditions of this Agreement, at the Closing Sellers
shall sell, transfer and deliver to Buyer, and Buyer shall purchase from
Sellers, the Interests, free and clear of all Liens, and the covenants contained
in Section 5(e) for an aggregate cash purchase price of $510,000,000.00 in
respect of the general partnership interests held by FMC and the covenants made
by FMC in Section 5(e) and $340,000,000.00 in respect of the limited partnership
interests held by HUC and the covenants made by HUC in Section 5(e)
(collectively, the "INITIAL PURCHASE PRICE").  The final purchase price for the
Interests and the covenants contained in Section 5(e) (the "FINAL PURCHASE
PRICE") shall be equal to:

               (i) the Initial Purchase Price; PLUS

              (ii) the amount, if any, by which the Adjusted Net Worth Amount
          reflected on the Closing Statement in its final and binding form
          exceeds $160,889,000 (the "TARGET ADJUSTED NET WORTH AMOUNT");  MINUS

             (iii) the amount, if any, by which the Target Adjusted Net
          Worth Amount exceeds the Adjusted Net Worth Amount reflected on the
          Closing Statement in its final and binding form.


                                       -3-



          (c)  ESTIMATED FINAL PURCHASE PRICE.  At the Closing, pursuant to the
provisions of Section 2(a)(i) below, Buyer shall pay Sellers an amount (the
"ESTIMATED FINAL PURCHASE PRICE") equal to the Final Purchase Price as estimated
in good faith by FMC based on information provided by UDLP management and set
forth in a statement delivered to Buyer not less than two business days prior to
the Closing Date.  Such notice shall set forth FMC's and UDLP's good faith
estimate of the Adjusted Net Worth Amount.  For purposes of this Agreement, the
difference, positive or negative, between the Estimated Final Purchase Price and
the Initial Purchase Price is referred to herein as the "ADJUSTMENT AMOUNT."

          2.   CLOSING.

          (a)  CLOSING.  The closing (the "CLOSING") of the transactions
contemplated hereby shall be held at the offices of Kirkland & Ellis, 200 East
Randolph Drive, Chicago, Illinois at 10:00 a.m., local time, on October 31, 1997
or, if the conditions to Closing set forth in Sections 3(a)(iii) and 3(b)(iii)
shall not have been satisfied or waived by such date, on the third business day
following satisfaction of such conditions.  Notwithstanding the scheduled
Closing Date of October 31, 1997, as set forth above, the parties agree to use
their commercially reasonable efforts to cause the Closing to occur earlier on
September 30, 1997, or other mutually agreeable date as soon after September 30,
1997 as practicable.  The date on which the Closing shall occur is hereinafter
referred to as the "CLOSING DATE," and the Closing shall be deemed effective as
of 12:01 a.m. on the Closing Date.  On the business day immediately preceding
the Closing Date, Buyer and Sellers shall conduct a pre-Closing at the same
location as the Closing, commencing at 10:00 a.m., local time, at which each
party shall present for review by the other party copies in execution form of
all documents required to be delivered by such party at the Closing.

          (i) At the Closing, subject to and on the terms and conditions set
     forth in this Agreement, Buyer shall deliver to Sellers (A)  the Estimated
     Final Purchase Price as follows: (1) by wire transfer to a bank account
     designated in writing by FMC, immediately available funds in an amount
     equal to $510,000,000.00 plus 60% of the Adjustment Amount (whether
     positive or negative), and (2) by wire transfer to a bank account
     designated in writing by Harsco, immediately available funds in an amount
     equal to $340,000,000.00  plus 40% of the Adjustment Amount (whether
     positive or negative), (b) an instrument of assumption reasonably
     satisfactory to each Seller and Buyer assuming, subject to the other terms
     and conditions of this Agreement, all of the obligations and liabilities of
     whatever kind of such Seller in its capacity as a partner or predecessor of
     UDLP to be assumed pursuant to the terms of this Agreement, (C) such other
     documents as are specifically required by this Agreement, (D) certified
     copies of resolutions duly adopted by Buyer's board of directors
     authorizing the execution, delivery and performance of this Agreement and
     the Ancillary Agreements to which Buyer is a party, (E) a certificate of
     the Secretary or an Assistant Secretary of Buyer as to the incumbency of
     the officer(s) of Buyer (who shall not be such Secretary or Assistant
     Secretary) executing this Agreement or any Ancillary Agreement, (F) a legal
     opinion of Buyer's special counsel, addressed to each Seller and dated the
     Closing Date, substantially in the form attached hereto as EXHIBIT 2(a)(i)
     and (G) appropriate releases


                                       -4-



     by UDLP of each Seller as a partner or predecessor of UDLP, in form and
     substance reasonably satisfactory to such Seller and Buyer, and consistent
     with the provisions of Section 8(i) below.

          (ii) At the Closing, subject to and on the terms and conditions set
     forth in this Agreement, Sellers shall deliver or cause to be delivered to
     Buyer (A) such appropriately executed instruments of sale, assignment,
     transfer and conveyance in form and substance reasonably satisfactory to
     Buyer and Seller and its counsel evidencing and effecting the sale and
     transfer to Buyer of the Interests (it being understood that such
     instruments shall not require Sellers or their Affiliates to make any
     additional representations, warranties or covenants, expressed or implied,
     not contained in this Agreement), (b) such other documents as are
     specifically required by this Agreement, (C) certified copies of
     resolutions duly adopted by the board of directors of each Seller
     authorizing the execution, delivery and performance of this Agreement and
     the Ancillary Agreements, to the extent each is a party hereto or thereto,
     (D) a certificate of the Secretary or an Assistant Secretary of each
     Seller, and of UDLP, as to the incumbency of the officer(s) of each (who
     shall not be such Secretary or Assistant Secretary) executing this
     Agreement or any Ancillary Agreement and (E) legal opinions of each
     Seller's special counsel, addressed to Buyer and dated the Closing Date,
     substantially in the form attached hereto as EXHIBIT 2(a)(ii).

          (b)  NET WORTH ADJUSTMENT.

          (i) Within 60 days after the Closing Date, UDLP shall, with the
     assistance of FMC consistent with past practice, prepare and deliver to
     Buyer a balance sheet of UDLP as of the Closing Date (the "CLOSING BALANCE
     SHEET").  The Closing Balance Sheet shall be prepared in a manner
     consistent with the June 30 Balance Sheet and in accordance with the
     Applicable Accounting Principles (without regard to any purchase accounting
     adjustments arising out of the consummation of the transactions
     contemplated hereby).  The Closing Balance Sheet shall be audited by Ernst
     & Young L.L.P. ("E&Y"). E&Y shall also provide audited financial statements
     through the Closing Date to Sellers so that each may comply with its
     respective reporting obligations.  In connection with the foregoing, UDLP
     shall provide the Closing Date financial reporting system ("FRS")  package
     to FMC five days prior to the commencement of the E&Y audit, and UDLP shall
     provide Buyer and Sellers a complete list of all adjustments to accruals in
     excess of $250,000 made subsequent to June 30, 1997.  E&Y may begin field
     work for procedural tests prior to delivery of the Closing Date FRS
     package.

          Within 60 days after the Closing Date, UDLP shall, with the assistance
     of FMC, prepare and deliver to Buyer a statement of the Adjusted Net Worth
     Amount as of the Closing Date (the "CLOSING STATEMENT").  The Closing
     Statement shall be prepared based solely upon the Closing Balance Sheet,
     adjusted in accordance with the principles set forth on SCHEDULE 2(b)
     hereto (the "ADJUSTMENT PRINCIPLES") which, in the event of a conflict with
     the Applicable Accounting Principles, shall control.  The parties agree
     that the determination


                                       -5-



     contemplated by this Section 2(b) is solely intended to show changes
     between the Adjusted Net Worth Amount on the Closing Date and the Target
     Adjusted Net Worth Amount as calculated in accordance with Schedule 2(b).
     Subject to the Adjustment Principles, the Target Adjusted Net Worth Amount
     is based upon methodologies, practices and principles used in connection
     with the preparation of the June 30 Balance Sheet and the adjustment
     contemplated by this Section 2(b) can only be properly measured if the
     Closing Statement is prepared using such methodologies, practices and
     principles.  During the preparation of the Closing Statement and the period
     of any dispute with respect thereto, Buyer shall and shall cause UDLP to
     (A) provide FMC and FMC's representatives with full access during normal
     business hours to the books, records (including work papers, schedules,
     memoranda and other documents), facilities and employees of UDLP, (b)
     provide FMC as promptly as practicable following the Closing Date (but in
     no event later than 30 days after the Closing Date) with normal year-end
     closing financial information for UDLP for the period ending as of the
     opening of business on the Closing Date and (C) cooperate fully with FMC
     and FMC's representatives, including the provision on a timely basis of
     full access to employees and all other information necessary or useful in
     connection with the preparation of the Closing Statement.  The Closing
     Statement shall be reviewed by E&Y and accompanied by an appropriate report
     confirming that the Closing Statement has been prepared in accordance with
     this Section 2(b).  During the 30 days immediately following receipt by
     Buyer and FMC of the Closing Statement, Buyer and FMC shall be permitted to
     review E&Y's working papers relating to the audit of the Closing Balance
     Sheet and review of the Closing Statement and Buyer shall be permitted to
     review the financial and accounting papers provided by FMC for use in
     preparing the Closing Statement.

          The Closing Statement shall become final and binding upon the parties
     hereto on the thirtieth day following receipt thereof by Buyer and FMC
     unless Buyer or FMC gives written notice of its disagreement (a "NOTICE OF
     DISAGREEMENT") to UDLP and the other parties hereto  prior to such date.
     Any Notice of Disagreement shall (A) specify in reasonable detail the
     nature and amount of any disagreement so asserted and (b) only include
     disagreements based on mathematical errors or based on the Closing
     Statement not being prepared in accordance with this Section 2(b).  If a
     timely Notice of Disagreement is delivered, then the Closing Statement (as
     revised in accordance with clause (x) or (y) below) shall become final and
     binding upon the parties on the earlier of (x) the date the parties hereto
     resolve in writing any differences they have with respect to any matter
     specified in the Notice of Disagreement or (y) the date any matters
     properly in dispute are finally resolved in writing by the Accounting Firm.
     During the 30 days immediately following the delivery of a Notice of
     Disagreement, FMC and Buyer shall seek in good faith to resolve in writing
     any differences which they may have with respect to any matter specified in
     the Notice of Disagreement.  During such period, Buyer or FMC, as
     applicable, shall have full access to the working papers of the other
     prepared in connection with Buyer's review of the Closing Statement and
     preparation of  such other party's Notice of Disagreement.  At the end of
     such 30-day period, FMC and Buyer shall submit to a "Big-Six" accounting
     firm (the "ACCOUNTING FIRM") for review and resolution of any and all
     matters which remain in dispute and which were properly included


                                       -6-



     in the Notice of Disagreement, and the Accounting Firm shall make a final
     determination of the Closing Statement which shall be binding on the
     parties (it being understood, however, that the Accounting Firm shall act
     as an arbitrator to determine, based solely on presentations by Buyer and
     FMC (and not by independent review), only those matters which remain in
     dispute and which were properly included in the Notice of Disagreement).
     The Closing Statement shall become final and binding on Buyer and Sellers
     on the date the Accounting Firm delivers its final resolution to the
     parties (which final resolution shall be delivered as soon as practicable
     following the selection of the Accounting Firm and in any event within 30
     days thereafter).  The Accounting Firm shall be selected by FMC and Buyer
     or, if such parties are unable to agree, by FMC's and Buyer's independent
     accountants.  The fees and expenses of E&Y and the Accounting Firm pursuant
     to this Section 2(b) shall be borne 50% by Buyer and 50% by Sellers on a
     Pro Rata Basis.

          (ii) If the Estimated Final Purchase Price is less than the Final
     Purchase Price, Buyer shall, and if the Estimated Final Price is greater
     than the Final Purchase Price, Sellers shall, within five business days
     after the Closing Statement becomes final and binding on the parties, make
     payment to the other party or parties by wire transfer in immediately
     available funds of the amount of such difference, together with interest
     thereon at the average one-month London Interbank Offered Rate as quoted by
     the Bloomberg Financial Markets Commodities and News Service calculated on
     the basis of the number of days elapsed from the Closing Date to the date
     of payment.  Any payments to or by Sellers pursuant to this clause (ii)
     shall be made on a Pro Rata Basis to or by, as the case may be, FMC and
     Harsco.

          (iii) For purposes of this Agreement, the term "ADJUSTED NET WORTH
     AMOUNT" means the total assets of UDLP and its consolidated Subsidiaries as
     of the Closing Date, LESS the total liabilities of UDLP and its
     consolidated Subsidiaries as of the Closing Date, as reflected on the
     Closing Balance Sheet, after giving effect to the Adjustment Principles
     described on SCHEDULE 2(b).

          (iv) Each party agrees that it will not take any actions with respect
     to the accounting books, records, policies and procedures of UDLP that
     would obstruct or hinder the preparation of the Closing Statement as
     provided in this Section 2(b).  Buyer will cooperate in the preparation of
     the Closing Statement, including providing customary certifications to
     Sellers or, if requested, to Sellers' auditors, Ernst & Young L.L.P. or the
     Accounting Firm.  Harsco acknowledges and agrees that FMC has sole
     authority to act on behalf of Sellers with respect to all matters relating
     to this Section 2(b).

          (c)  LIMITED PARTNERSHIP FORM OF UDLP.  Buyer hereby agrees that it
will take all necessary action, including assigning portions of its rights to
purchase the Interests to one or more of its Affiliates, in order to maintain
UDLP as a validly existing Delaware limited partnership for a period of at least
thirty (30) days following the Closing Date, and for at least such 30-day period
Buyer shall take no actions which would have the effect of dissolving, winding
up or liquidating UDLP under the Code or the Delaware Revised Uniform Limited
Partnership Act, each as in effect


                                       -7-




at such time.  Notwithstanding any provision of this Agreement to the contrary,
no representation, warranty or covenant shall be deemed to be breached and no
condition to Closing shall be deemed to be unsatisfied as a result of any actual
or prospective impediment to any dissolution, liquidation or winding up of UDLP,
it being understood that Sellers have made and are making no representations or
warranties concerning Buyer's ability to liquidate or otherwise restructure
UDLP.

          (d)  TRANSFER TO FMC AFFILIATE.  Notwithstanding anything to the
contrary in this Agreement, the parties hereto agree that, prior to the Closing,
FMC may transfer all of the Interests owned by it to an Affiliate of FMC that is
(i) incorporated in a domestic jurisdiction and (ii) 100% directly or indirectly
owned by FMC, provided that such transfer does not adversely affect UDLP or
Buyer and provided that such Affiliate agrees to be bound by the terms hereof.
Upon such a transfer, the defined term "FMC" as used herein or in the Ancillary
Agreements shall be deemed to include such Affiliate.  In no event shall FMC be
relieved of any obligation for which it would otherwise be liable hereunder in
the absence of such a transfer.

          3.   CONDITIONS TO CLOSING.

          (a)  BUYER'S OBLIGATION.  The obligation of Buyer to purchase and pay
for the Interests is subject to the satisfaction (or waiver by Buyer) as of the
Closing of the following conditions:

          (i) The representations and warranties of Sellers made in this
     Agreement shall be true and correct in all material respects as of the date
     hereof and on and as of the Closing Date, as though made on and as of the
     Closing Date, except to the extent of changes or developments contemplated
     by the terms of this Agreement and except for representations and
     warranties that speak as of a specific date or time (which need only be
     true and correct as of such date or time), and each Seller shall have
     performed or complied with all obligations and covenants required by this
     Agreement to be performed or complied with by such Seller by the time of
     the Closing, except for breaches of such representations and warranties and
     covenants that, in the aggregate, together with all information disclosed
     in any supplements, modifications and updates to the Schedules by Sellers
     prior to the Closing as permitted by this Agreement, would not have a
     Material Adverse Effect; and each Seller shall have delivered to Buyer a
     certificate dated the Closing Date and signed by a Vice President of it
     confirming the foregoing;

          (ii) No injunction or order of any court or administrative agency of
     competent jurisdiction shall be in effect as of the Closing which restrains
     or prohibits the consummation of the Purchase;

          (iii) Any applicable waiting period under the Hart-Scott-Rodino
     Antitrust Improvements Act of 1976, as amended (the "HSR ACT"), shall have
     expired or been terminated;


                                       -8-



          (iv) Each of FMC, Harsco and UDLP (as appropriate) shall have executed
     and delivered each of the Ancillary Agreements to which it is a party;

          (v) Since the date of the Latest Financials, and except as set forth
     on SCHEDULE 3(a)(v) hereto or the other Schedules hereto, there shall have
     been no change in the Business, or the assets, liabilities or financial
     condition of UDLP, its Subsidiaries and Foreign Affiliates, taken as a
     whole, which would result in a Material Adverse Effect (it being understood
     that the failure to be awarded, or the failure to receive government
     funding for, any contract currently under proposal before or after the date
     hereof does not and shall not constitute a failure of the condition set
     forth in this Section 3(a)(v));

          (vi) All Financing Obligations (other than the Continuing LC
     Obligations) shall have been finally repaid in full, terminated or
     reflected in the computation of the Adjusted Net Worth Amount on the
     Closing Statement and Buyer shall have been provided evidence reasonably
     acceptable to Buyer that any and all Liens securing such Financing
     Obligations as have been repaid or terminated shall have been released and
     terminated;

          (vii) Each Seller shall have delivered to Buyer an affidavit,
     dated not more than thirty (30) days prior to the Closing Date, in
     accordance with Code Section 1445(b)(2) and Treasury Regulation section
     1.1445-2(b)(2), which affidavit certifies that such Seller is not a foreign
     person; and

          (viii) The form and substance of all instruments and documents
     required to consummate the transactions contemplated by this Agreement
     shall have been reasonably satisfactory to Buyer and its counsel.

          (b)  EACH SELLER'S OBLIGATION.  The obligation of each Seller to sell
and deliver or cause to be sold and delivered the Interests to Buyer is subject
to the satisfaction (or waiver by such Seller) as of the Closing of the
following conditions:

          (i) The representations and warranties of Buyer made in this
     Agreement shall be true and correct in all material respects as of the date
     hereof and on and as of the Closing Date, as though made on and as of the
     Closing Date, except to the extent of changes or developments contemplated
     by the terms of this Agreement and except for representations and
     warranties that speak as of a specific date or time (which need only be
     true and correct as of such date or time), and Buyer shall have performed
     or complied with all obligations and covenants required by this Agreement
     to be performed or complied with by Buyer by the time of the Closing,
     except for breaches of such representations and warranties and covenants
     that, in the aggregate, would not have a material adverse effect on the
     ability of Buyer to perform its obligations under this Agreement, the
     Ancillary Agreements and the other agreements contemplated hereby and
     thereby at and after the Closing; and Buyer shall have delivered to each
     Seller a certificate dated the Closing Date and signed by a Vice President
     of it confirming the foregoing;


                                       -9-



          (ii) No injunction or order of any court or administrative agency of
     competent jurisdiction shall be in effect as of the Closing which restrains
     or prohibits the consummation of the Purchase;

          (iii) Any waiting period under the HSR Act shall have expired or
     been terminated;

          (iv) Buyer shall have executed and delivered each of the Ancillary
     Agreements to which it is a party; and

          (v) Buyer shall have obtained the Substitute Letters of Credit in
     accordance with the provisions of Section 7(e) below.

          4.   REPRESENTATIONS AND WARRANTIES OF SELLERS.

          4A.  REPRESENTATIONS AND WARRANTIES OF FMC.  FMC represents and
warrants to Buyer as follows:

          (a)  AUTHORITY; NO CONFLICTS.  FMC is a corporation duly organized,
validly existing and in good standing under the laws of the State of Delaware.
FMC has all requisite corporate power and authority to enter into this Agreement
and such Ancillary Agreements, to the extent it is a party thereto, as are
contemplated hereby to be executed and delivered by it and to consummate the
transactions contemplated hereby and thereby.  All corporate acts and other
proceedings required to be taken by FMC to authorize the execution, delivery and
performance of this Agreement and such Ancillary Agreements, to the extent it is
a party thereto, and the consummation of the transactions contemplated hereby
and thereby, have been or will have been at or prior to the Closing duly and
properly taken.  This Agreement has been duly executed and delivered by FMC, and
such Ancillary Agreements as are contemplated hereby to be executed and
delivered by FMC will, to the extent it is a party thereto, be duly and validly
executed and delivered by FMC, as applicable.  This Agreement and such Ancillary
Agreements constitute, or will constitute, as the case may be, valid and binding
obligations of FMC, to the extent it is a party thereto, enforceable against FMC
in accordance with their respective terms.  Except as set forth on SCHEDULE
4C(a)(ii) and except for any consents, authorizations or approvals that are
required under the HSR Act or that may be required solely by reason of Buyer's
status, the execution and delivery of this Agreement and such Ancillary
Agreements as are contemplated hereby to be executed and delivered by FMC do not
or will not, as the case may be, and the consummation by FMC of the transactions
contemplated hereby and thereby and compliance by it with the terms thereof will
not, conflict with, or result in any violation of or default under, or give rise
to a right of termination, cancellation or acceleration of any obligation or to
loss of a benefit under, or result in the creation of any lien, claim,
encumbrance, security interest, option, charge or restriction of any kind upon
any of the assets of UDLP or any of its Subsidiaries under, or require any
consent, authorization or approval under any provision of (A) the certificate of
limited partnership or other organizational documents of UDLP or any of its
Subsidiaries or Foreign Affiliates, (B) any Material Contract to which UDLP or
any Subsidiary or Foreign Affiliate is a party or (C) any material judgment,
order


                                      -10-



or decree or any material statute, law, ordinance, rule or regulation applicable
to UDLP or any of its Subsidiaries or their respective assets.

          (b)  OWNERSHIP OF THE INTERESTS.  FMC is the sole general partner of
UDLP and holds 100% of the outstanding general partnership interests of UDLP.
The sale and transfer of the Interests owned by FMC to Buyer pursuant to this
Agreement will vest in Buyer all right, title and interest in such Interests,
free and clear of all adverse claims or other Lien, other than adverse claims
created by or through or suffered by Buyer.

          4B.  REPRESENTATIONS AND WARRANTIES OF HARSCO.  Harsco represents and
warrants to Buyer as follows:

          (a)  AUTHORITY; NO CONFLICTS.  Each of HUC and Harsco Corporation
(each, a "HARSCO PARTY") is a corporation duly organized, validly existing and
in good standing under the laws of the jurisdiction of its incorporation.  Each
Harsco Party has all requisite corporate power and authority to enter into this
Agreement and such Ancillary Agreements, to the extent it is a party thereto, as
are contemplated hereby to be executed and delivered by it and to consummate the
transactions contemplated hereby and thereby.  All corporate acts and other
proceedings required to be taken by each Harsco Party to authorize the
execution, delivery and performance of this Agreement and such Ancillary
Agreements, to the extent it is a party thereto, and the consummation of the
transactions contemplated hereby and thereby, have been or will have been at or
prior to the Closing duly and properly taken.  This Agreement has been duly
executed and delivered by each Harsco Party, and such Ancillary Agreements as
are contemplated hereby to be executed and delivered by each Harsco Party will,
to the extent it is a party thereto, be duly and validly executed and delivered
by such Harsco Party, as applicable.  This Agreement and such Ancillary
Agreements constitute, or will constitute, as the case may be, valid and binding
obligations of each Harsco Party, to the extent it is a party thereto,
enforceable against each Harsco Party, as applicable, in accordance with their
respective terms.  Except as set forth on SCHEDULE 4C(a)(ii) and except for any
consents, authorizations or approvals that are required under the HSR Act or
that may be required solely by reason of Buyer's status, the execution and
delivery of this Agreement and such Ancillary Agreements as are contemplated
hereby to be executed and delivered by each Harsco Party do not or will not, as
the case may be, and the consummation by each Harsco Party of the transactions
contemplated hereby and thereby and compliance by it with the terms thereof will
not, conflict with, or result in any violation of or default under, or give rise
to a right of termination, cancellation or acceleration of any obligation or to
loss of a benefit under, or result in the creation of any lien, claim,
encumbrance, security interest, option, charge or restriction of any kind upon
any of the assets of UDLP or any of its Subsidiaries under, or require any
consent, authorization or approval under any provision of (A) the certificate of
limited partnership or other organizational documents of UDLP or any of its
Subsidiaries or Foreign Affiliates, (B) any Material Contract to which UDLP or
any Subsidiary or Foreign Affiliate is a party or (C) any material judgment,
order or decree or any material statute, law, ordinance, rule or regulation
applicable to UDLP or any of its Subsidiaries or their respective assets.


                                      -11-



          (b)  OWNERSHIP OF THE INTERESTS.  HUC is the sole limited partner of
UDLP and holds 100% of the outstanding limited partnership interests of UDLP.
The sale and transfer of the Interests owned by HUC to Buyer pursuant to this
Agreement will vest in Buyer all right, title and interest in such Interests,
free and clear of all adverse claims or other Lien, other than adverse claims
created by or through or suffered by Buyer.

          4C.  REPRESENTATIONS AND WARRANTIES OF SELLERS.  Sellers hereby
jointly and severally represent and warrant to Buyer as follows:

          (a)  AUTHORITY; NO CONFLICTS.

          (i) UDLP is a limited partnership duly organized, validly existing
     and in good standing under the laws of the State of Delaware.  UDLP has all
     requisite partnership power and authority to enter into the Ancillary
     Agreements, to the extent it is a party thereto, as are contemplated hereby
     to be executed and delivered by it and to consummate the transactions
     contemplated thereby.  All partnership acts and other proceedings required
     to be taken by UDLP to authorize the execution, delivery and performance of
     such Ancillary Agreements, and the consummation of the transactions
     contemplated thereby, have been or will have been at or prior to the
     Closing duly and properly taken.  Such Ancillary Agreements as are
     contemplated hereby to be executed and delivered by UDLP will, to the
     extent it is a party thereto, be duly and validly executed and delivered by
     UDLP.  Such Ancillary Agreements will constitute valid and binding
     obligations of UDLP, to the extent it is a party thereto, enforceable
     against UDLP in accordance with their respective terms.

          (ii) Except as set forth on SCHEDULE 4C(a)(ii) and except for any
     consents, authorizations or approvals that are required under the HSR Act
     or that may be required solely by reason of Buyer's status, the execution
     and delivery of such Ancillary Agreements as are contemplated hereby to be
     executed and delivered by UDLP do not or will not, as the case may be, and
     the consummation by UDLP of the transactions contemplated thereby and
     compliance by it with the terms thereof will not, conflict with, or result
     in any violation of or default under, or give rise to a right of
     termination, cancellation or acceleration of any obligation or to loss of a
     benefit under, or result in the creation of any lien, claim, encumbrance,
     security interest, option, charge or restriction of any kind upon any of
     the assets of UDLP or any of its Subsidiaries or Foreign Affiliates under,
     or require any consent, authorization or approval under any provision of
     (A) the certificate of limited partnership or other organizational
     documents of UDLP or any of its Subsidiaries or Foreign Affiliates, (B) any
     Material Contract relating to the Business to which UDLP or any Subsidiary
     or Foreign Affiliate is a party or (C) any material judgment, order or
     decree or any material statute, law, ordinance, rule or regulation
     applicable to UDLP or any of its Subsidiaries or Foreign Affiliates or
     their assets.

          (b)  OWNERSHIP OF THE INTERESTS.  Except for the Interests owned by
FMC and HUC to be purchased by Buyer pursuant to the terms hereof, UDLP has no
outstanding partnership


                                      -12-



interests or other equity securities or any outstanding options, warrants or
other rights exercisable for, or any securities convertible into or exchangeable
for, any such partnership interest or equity securities.  Except as set forth on
SCHEDULE 4C(b), there are no outstanding agreements, securities or other
commitments (other than this Agreement) pursuant to which any of Sellers and
UDLP is or may become obligated to issue, sell, purchase, return or redeem any
Interests or other securities of UDLP.

          (c)  SUBSIDIARIES AND FOREIGN AFFILIATES. SCHEDULE 4C(c)-1 attached
hereto sets forth the name and jurisdiction of incorporation of each Subsidiary
of UDLP and the persons owning its outstanding capital stock.  Each Subsidiary
and each Foreign Affiliate is duly organized, validly existing and, to the
extent applicable, in good standing under the laws of the jurisdiction of its
incorporation.  All of the outstanding shares of capital stock of each
Subsidiary are validly issued, fully paid and non-assessable.  SCHEDULE 4C(c)-2
sets forth the name and nature of certain foreign entities in which UDLP has a
direct or indirect ownership interest (the "FOREIGN AFFILIATES") and the
ownership of the equity interests in such entities.  Except as set forth on
SCHEDULE 4C(c)-1, SCHEDULE 4C(c)-2 or the other Schedules hereto, neither UDLP
nor any Subsidiary owns or holds the right to acquire any shares of stock or any
other investment or equity interest in any other corporation, partnership, joint
venture or other entity and all such shares and other interests reflected on
such Schedules are owned by UDLP or another Subsidiary free and clear of any
Lien or other material encumbrance and are not subject to any option or right to
purchase any such shares and each Foreign Affiliate has no Subsidiaries.
SCHEDULE 4C(c)-1 or SCHEDULE 4C(c)-2 sets forth the number, type and class of
the outstanding shares of capital stock or other ownership interests or
securities of each Subsidiary and Foreign Affiliate of UDLP and the name of the
record and beneficial owner of each share of capital stock or other equity
interests or securities of each Subsidiary and Foreign Affiliate of UDLP.
Except as set forth on SCHEDULE 4C(c)-1, SCHEDULE 4C(c)-2 or the other Schedules
hereto, there are no outstanding options, warrants or other rights exercisable
for, or securities convertible into or exchangeable for, any capital stock or
other ownership interests or securities of any Subsidiary or Foreign Affiliate
of UDLP, any other commitments or agreements providing for the issuance of
additional shares, the sale of treasury shares, or for the repurchase or
redemption of shares of any Subsidiary's or Foreign Affiliate's capital stock,
or any agreements of any kind which may obligate any Subsidiary or Foreign
Affiliate to issue, purchase, register for sale, redeem or otherwise acquire any
of its securities or interests.


          (d)  FINANCIAL STATEMENTS.  SCHEDULE 4C(d) sets forth (i) the audited
consolidated balance sheets of UDLP as of December 31, 1995 and December 31,
1996, and the related consolidated statements of operations and cash flows for
UDLP for the fiscal years ended December 31, 1994, December 31, 1995 and
December 31, 1996, together with the auditors' report thereon and (ii) the
unaudited consolidated balance sheet of UDLP as of June 30, 1997 and related
consolidated statements of operations and cash flows for UDLP for the six-month
period then ended (the "LATEST FINANCIALS"),  in each case together with the
notes thereto (collectively, the "FINANCIAL STATEMENTS").  The consolidated
balance sheet of UDLP as of the fiscal period ended June 30, 1997 is referred to
herein as the "JUNE 30 BALANCE SHEET."  The Financial Statements have been
derived from the accounting books and records of UDLP, were prepared in the
ordinary course of business


                                      -13-



and present fairly in all material respects the financial condition of UDLP as
of the dates of such Financial Statements and the results of operations and cash
flows of UDLP and its consolidated Subsidiaries for the periods indicated in
accordance with the Applicable Accounting Principles.

          (e)  TITLE TO TANGIBLE ASSETS OTHER THAN REAL PROPERTY INTERESTS.
UDLP and its Subsidiaries have good and valid title to all material tangible
assets reflected in the Latest Financials, except those sold or otherwise
disposed of since the date of the Latest Financials in the ordinary course of
business, free and clear of all mortgages, liens, security interests or
encumbrances of any nature whatsoever (collectively, "LIENS"), except (i) such
as are disclosed on SCHEDULE 4C(e) or the other Schedules hereto,
(ii) mechanics', carriers', workmen's, repairmen's or other like liens arising
or incurred in the ordinary course of business for which reserves have been
established in accordance with generally accepted accounting principles,
equipment leases with third parties entered into in the ordinary course of
business, liens for taxes, and other governmental charges which are not due and
payable or which may thereafter be paid without penalty for which reserves have
been established in accordance with generally accepted accounting principles and
(iii) other imperfections of title, restrictions or encumbrances, if any, which
would not, individually or in the aggregate, materially impair the use or value
of any such asset (the items in clauses (i)-(iii) being referred to herein
collectively as "PERMITTED LIENS").  The material tangible assets used in the
operation of the Business, taken as a whole, are in normal operating condition
and repair (subject to normal wear and tear).  This Section 4C(e) does not
relate to real property or interests in real property, it being the intent of
the parties that such items are the subject of Section 4C(f).

          (f)  TITLE TO REAL PROPERTY. The term "OWNED PROPERTIES" as used
herein means all real property and interests in real property owned in fee by
UDLP or a Subsidiary as set forth on SCHEDULE 4C(f)-1 (each of such properties
being referred to individually as an "OWNED PROPERTY").  SCHEDULE 4C(f)-2 sets
forth a list of real properties leased by UDLP or a Subsidiary pursuant to
leases under which UDLP or a Subsidiary has an annual base rental obligation in
excess of $250,000 (individually, a "LEASED PROPERTY").  An Owned Property or
Leased Property shall be sometimes referred to herein individually as a
"PROPERTY" and collectively as the "PROPERTIES".  UDLP or a Subsidiary has fee
simple title to the Owned Properties, and has a valid leasehold interest in each
of the Leased Properties, in each case free and clear of all mortgages, liens,
security interests, easements, covenants, rights-of-way and other similar
restrictions of any nature whatsoever, except (i) Permitted Liens (as defined in
Section 4C(e) above), (ii) easements, covenants, conditions, rights-of-way and
other restrictions of record that are disclosed in any commitment for title
insurance or other title report previously delivered or made available to Buyer,
(iii) any conditions that may be shown by a current, accurate survey or physical
inspection of the relevant Property made prior to the Closing which do not
materially and adversely affect the use as currently conducted of the Owned
Properties, (iv) existing leases, licenses and possession or occupancy
agreements, if any, (v) (A) zoning, building, fire, health, entitlement and
other land use laws, ordinances, rules and safety regulations and other similar
restrictions, (B) mortgages, liens, security interests or encumbrances that have
been placed by any developer, landlord or other third party on property over
which UDLP or a Subsidiary has easement rights or on any Leased Property and
subordination or similar agreements relating thereto and (C) unrecorded
easements, covenants, rights-of-way, liens  or other


                                      -14-



restrictions which do not materially and adversely affect the use as currently
conducted of the Owned Properties, (vi) acts done or suffered to be done by, and
judgments against, Buyer and those claiming by, through or under Buyer,
(vii) any and all orders, decrees, awards or judgments related to any eminent
domain or condemnation proceedings which do not materially and adversely affect
the use as currently conducted of the Owned Properties, (viii) other liens,
security interests, easements, covenants and restrictions of any nature
whatsoever which individually or in the aggregate do not materially and
adversely affect the value or use as currently conducted of the Owned Properties
and (ix) with respect to the lease for the property in Aiken, South Carolina
listed on SCHEDULE 4C(f)-2, an "industrial revenue bond", a copy of which has
been made available to Buyer.  Except as set forth on Schedule 4C(f)-1, (i) all
improvements located on the Property are, in the aggregate, in normal operating
condition and repair (normal wear and tear excepted) and, to the knowledge of
Sellers, are free from material structural defect and (ii) there is not now
pending any condemnation or eminent domain proceeding affecting the Property or
any portion thereof, nor, to the knowledge of Sellers, is any such proceeding
threatened by any governmental authority.

          (g)  INTELLECTUAL PROPERTY.  The Intellectual Property of UDLP that is
described in clauses (i), (ii) and (iii) of Section 1(a)(vii) is listed on
SCHEDULE 4C(g).   Except as disclosed on SCHEDULE 4C(g) or the other Schedules
hereto, UDLP or a Subsidiary or Foreign Affiliate owns or has the right to use,
without payment to any other party, all material Intellectual Property used in
its business.  Except as set forth on SCHEDULE 4C(g) or the other Schedules
hereto, no material claims are pending in writing or, to the knowledge of
Sellers, threatened in writing against UDLP or a Subsidiary or Foreign Affiliate
as of the date of this Agreement by any person with respect to the ownership or
use of any of the Intellectual Property owned by UDLP and used in the Business.
Except as set forth on SCHEDULE 4C(g) or the other Schedules hereto, no material
licenses, sublicenses or agreements pertaining to any of the Intellectual
Property owned by UDLP and used in the Business have been granted or entered
into by UDLP or a Subsidiary or Foreign Affiliate.  None of  Sellers and UDLP
has received any notices of any infringement by any third party with respect to
any of the Intellectual Property owned by UDLP and used in the Business.  Except
as set forth on SCHEDULE 4C(g) or the other Schedules hereto, to the knowledge
of Sellers, the operation of the Business does not infringe upon any proprietary
right or other Intellectual Property right of any person in any material
respect.  All rights pertaining to Intellectual Property licensed to UDLP by FMC
pursuant to the FMC Intellectual Property Agreement are duly and validly held by
FMC, free and clear of all material Liens.  All rights pertaining to
Intellectual Property to be licensed to UDLP by Harsco pursuant to the Harsco
Intellectual Property Agreement are duly and validly held by Harsco, free and
clear of all material Liens.

          (h)  MATERIAL CONTRACTS.  SCHEDULE 4C(h) and the other Schedules
hereto set forth as of the date of this Agreement each of the following types of
written contracts to which UDLP or any Subsidiary or Foreign Affiliate is a
party:

          (i)  any employment agreement or employment contract with any officer
     or director of UDLP (excluding any independent contractor) that has future
     liability for cash


                                      -15-



     compensation in excess of $200,000 per annum and is not terminable by
     notice of not more than 60 calendar days for a cost of less than $200,000;

          (ii) any employee collective bargaining agreement;

          (iii) any covenant not to compete that materially impairs the
     Business;

          (iv) any lease or similar agreement under which UDLP or any Subsidiary
     or Foreign Affiliate is a lessor or sublessor of, or makes available for
     use by any third party, any real property owned or leased by UDLP or any
     Subsidiary or Foreign Affiliate or any portion of premises otherwise
     occupied by UDLP or any Subsidiary, in each case which has future liability
     in excess of $250,000 per annum and is not terminable by notice of not more
     than 60 calendar days for a cost of less than $250,000;

          (v) any lease or similar agreement under which (A) UDLP or any
     Subsidiary or Foreign Affiliate is lessee of, or holds or uses, any
     machinery, equipment, vehicle or other tangible personal property owned by
     a third party or (B) UDLP or any Subsidiary or Foreign Affiliate is a
     lessor or sublessor of, or makes available for use by any third party, any
     tangible personal property owned or leased by UDLP or any Subsidiary or
     Foreign Affiliate, in each case which has future liability in excess of
     $500,000 per annum and is not terminable by notice of not more than 60
     calendar days for a cost of less than $500,000;

          (vi) any agreement or contract under which UDLP has borrowed or loaned
     any money, any note, bond, indenture or other evidence of indebtedness or
     any direct or indirect guarantee of such indebtedness of others (other than
     endorsements for the purpose of collection, loans made to employees for
     relocation, travel or other employment-related purposes, or purchases of
     equipment or materials made under conditional or instalment sales
     contracts, in each case in the ordinary course of business) which,
     individually or in the aggregate, has an outstanding principal amount in
     excess of $500,000;

         (vii) any agreement or contract under which either Seller or any other
     person has directly or indirectly guaranteed indebtedness, liabilities or
     obligations of UDLP or any Subsidiary or Foreign Affiliate (other than
     endorsements for the purpose of collection in the ordinary course of
     business and all Guaranties), in each case having an outstanding principal
     amount or aggregate future liability in excess of $1,000,000;

        (viii) any contract or agreement for the purchase of supplies, goods,
     products or other personal property or for the receipt of services which
     involves an unfulfilled obligation of UDLP or any Subsidiary or Foreign
     Affiliate in excess of $5,000,000;

          (ix) any contract or agreement  (including the U.S. Department of
     Defense and any other U.S. military purchasing authority), other than any
     Inactive Contracts, for the sale


                                      -16-



     of supplies, goods, products or other personal property or for the
     furnishing of services which involves an unfulfilled obligation of UDLP or
     any Subsidiary in excess of $25,000,000;

          (x) any contract or agreement which provides for the procurement by
     UDLP of consulting, sales representative, marketing or lobbying services
     and which involves an unfulfilled obligation of UDLP in excess of $500,000;

          (xi) any joint venture, teaming, co-production or partnership contract
     or agreement involving an unfulfilled obligation of UDLP in excess of
     $5,000,000;

          (xii) any agreement committing UDLP or any of its Subsidiaries to
     purchase or sell any property or asset outside the ordinary course of
     business for consideration in excess of $1,000,000; and

          (xiii) any agreement between UDLP or one or more of its
     Subsidiaries or Foreign Affiliates and any Seller or any Affiliate of any
     Seller (other than UDLP or any of its Subsidiaries or Foreign Affiliates)
     which involves an unfulfilled obligation, individually or in the aggregate,
     in excess of $1,000,000.

          Sellers have delivered to, or made available for inspection by, Buyer
a copy of each contract, lease, license, instrument or other agreement listed on
SCHEDULE 4C(h) as amended to date, other than modifications or amendments to
U.S. government contracts since June 30, 1997 as would not materially and
adversely affect the value of such contracts.  Except as disclosed on SCHEDULE
4C(h) or the other Schedules hereto, UDLP or a Subsidiary or Foreign Affiliate
has performed all material obligations required to be performed by it to date
under each contract, lease, license, commitment, instrument or other agreement
of UDLP or such Subsidiary described on SCHEDULE 4C(h) (collectively, the
"MATERIAL CONTRACTS") and is not (with or without the lapse of time or the
giving of notice, or both) in material breach or material default thereunder
and, to the knowledge of Sellers, no other party thereto is (with or without
lapse of time or the giving of notice, or both) in material default under any
Material Contract.  Except as set forth on SCHEDULE 4C(h), all of the Material
Contracts are (i) in full force and effect and (ii) to the knowledge of Sellers,
represent the legal, valid and binding obligations of the other parties thereto
and are enforceable against such parties in accordance with their terms.

          (i)  LITIGATION; DECREES.  SCHEDULE 4C(i) and the other Schedules
hereto set forth, all lawsuits, claims and judicial or administrative
proceedings (excluding lawsuits, claims or proceedings for workers'
compensation) pending or, to the knowledge of Sellers, threatened against UDLP
or a Subsidiary or Foreign Affiliate or involving any of its respective
properties, assets, operations or businesses and which (A) involve a claim
against UDLP or a Subsidiary or Foreign Affiliate of, or which involve an
unspecified amount which could reasonably be expected to result in liability of,
more than $250,000 or (B) seek any material injunctive relief which would affect
Buyer's acquisition or ownership of the Interests or the operation of the
Business.  Neither UDLP nor any Subsidiary or Foreign Affiliate is in material
default under any material judgment, order or


                                      -17-



decree applicable to it of any court, administrative agency or commission or
other governmental authority or instrumentality, domestic or foreign.  Schedule
7(f) sets forth certain pending lawsuits or claims that will be retained by a
particular Seller (as indicated thereon) from and after the Closing.

          (j)  COMPLIANCE WITH APPLICABLE LAWS. Except as set forth on
SCHEDULE 4C(j) or the other Schedules hereto, (i) UDLP and its Subsidiaries and
Foreign Affiliates are, and since January 1, 1994 have been, in compliance in
all material respects with all applicable material statutes, laws, ordinances,
rules, orders and regulations of any governmental authority or instrumentality
and (ii) since December 31, 1996, neither UDLP nor any Subsidiary has received
any written communication from a governmental authority that alleges that it is
not in compliance in all material respects with any material federal, state,
foreign or local laws, rules and regulations.  This Section 4C(j) does not
relate to environmental matters, Government Contracts and tax matters, it being
the intent of the parties that environmental matters, Government Contract
matters and tax matters are the subject of Sections 4C(n), 4C(q) and 4C(l),
respectively.

          (k)  EMPLOYEE BENEFIT PLANS.  Except as set forth on SCHEDULE 4C(k):

          (i)  SCHEDULE 4C(k)-1 lists all of the material employee benefit
     plans, programs and arrangements (including each severance or other
     arrangement or policy and each plan, arrangement, program, agreement or
     commitment providing for insurance coverage (including without limitation
     any self-insured arrangements), disability benefits, supplemental
     unemployment benefits, vacation benefits, retirement benefits, life,
     health, accident benefits (including without limitation any "voluntary
     employees' beneficiary association" as defined in Section 501(c)(9) of the
     Code providing for the same or other benefits) or for deferred
     compensation, profit-sharing bonuses, stock options, stock appreciation
     rights, stock purchases or other forms of incentive compensation or post-
     retirement insurance, compensation or benefits) maintained or contributed
     to by UDLP with respect to current or former employees of UDLP or any of
     its Subsidiaries (including the Defense Segment Plan referred to in Section
     8(h)(iii)) (the "UDLP EMPLOYEE BENEFIT PLANS") and SCHEDULE 4C(k)-2 lists
     all of such material employee benefits plans, programs and arrangements
     maintained or contributed to by FMC in which current or former employees of
     UDLP or any of its Subsidiaries participate (the "FMC EMPLOYEE BENEFIT
     PLANS").  Sellers have delivered to, or made available for inspection by,
     Buyer a copy of each UDLP Employee Benefit Plan and the defined benefit
     pension plans of FMC covering employees of UDLP and the Transferred
     Employees.  Except as provided in clause (vi) of this Section 4C(k),
     Sellers make no representations or warranties in this Agreement regarding
     or relating to any of the FMC Employee Benefit Plans.

          (ii) All UDLP Employee Benefit Plans which are "employee benefit
     plans" (as defined in Section 3(3) of the Employee Retirement Income
     Security Act of 1974, as amended ("ERISA")) are in compliance in all
     material respects with the applicable requirements of ERISA, the Code and
     all other applicable law.


                                      -18-


         (iii)   Each UDLP Employee Benefit Plan or its predecessor plan which
    is intended to qualify under Section 401(a) of the Code has received a
    favorable determination letter that it is so qualified and that its trust
    is exempt from taxation.

         (iv)    All contributions and payments with respect to each UDLP
    Employee Benefit Plan have been timely made when due and there are no
    funding deficiencies (including accumulated funding deficiencies) (as
    defined in ERISA and the Code).

         (v)     All ERISA reporting and disclosure obligations have been
    satisfied in all material respects with respect to each UDLP Employee
    Benefit Plan.

         (vi)    UDLP and each UDLP Employee Benefit Plan and, with respect to
    employees and former employees of UDLP and its Subsidiaries, each FMC
    Employee Benefit Plan has complied in all material respects with its
    obligations under Section 4980B of the Code and Section 601 et seq. of
    ERISA ("COBRA").

         (vii)   To the knowledge of Sellers, with respect to each UDLP
    Employee Benefit Plan: (a) there have not been any prohibited transactions
    (as defined in Section 406 of ERISA or Section 4975 of the Code); (b) no
    fiduciary has any liability for breach of fiduciary duty; and (c) no
    investigations, suits, or material claims are pending.

         (viii)  Sellers have delivered or made available to Buyer copies of
    the following documents in connection with each UDLP Employee Benefit Plan: 
    (a) plan document and all amendments; (b) current summary plan
    descriptions; (c) the most recent Internal Revenue Service favorable
    determination letter with respect to each UDLP Employee Benefit Plan
    intended to be qualified under the Code; and (d) the most recent IRS Form
    5500.

         (ix)    UDLP does not contribute to any "multiemployer plan," as
    defined in Section 3(37) or 4001(a)(3) of ERISA, nor has UDLP at any time
    contributed to, or been obligated to contribute to, any such multiemployer
    plan.

         (x)     The funding method used in connection with each UDLP Employee
    Benefit Plan that is an "employee pension benefit plan" as defined in
    Section 3(2) of ERISA (each, a "PENSION PLAN") which is subject to the
    minimum funding requirements of ERISA is acceptable under law, and the
    actuarial assumptions used in connection with funding each such plan are
    reasonable.  As of the Closing Date, the "amount of unfunded benefit
    liabilities" as defined in Section 4001(a)(18) of ERISA of each Pension
    Plan (but excluding from the definition of "current value" of "assets" of
    such Pension Plan accrued but unpaid contributions) did not exceed zero.

         (xi)    UDLP and its Subsidiaries have not engaged in, nor are
    successors or parent corporations to an entity that has engaged in, a
    transaction described in Section 4069 of ERISA.  There has been no
    "reportable event" (as defined in Section 4043(b) of ERISA and


                                         -19-


    the PBGC regulations under such Section) with respect to any Pension Plan
    and no analogous event under applicable foreign law.  No filing has been
    made by UDLP or either Seller with the PBGC, and no proceeding has been
    commenced by the PBGC, to terminate any Pension Plan.  No condition exists
    and no event has occurred that could constitute grounds for the termination
    of any Pension Plan by the PBGC.  UDLP  has not at any time, (1) ceased
    operations at a facility so as to become subject to the provisions of
    Section 4062(e) of ERISA or analogous foreign law, (2) withdrawn as a
    substantial employer so as to become subject to the provisions of Section
    4063 of ERISA or analogous foreign law, or (3) ceased making contributions
    on or before the Closing Date to any Pension Plan subject to Section
    4064(a) of ERISA or analogous foreign law to which UDLP made contributions
    during the six years prior to the Closing Date.

         (xii)   There is no contract, agreement, plan or arrangement covering
    any employee or former employee of UDLP that, individually or collectively,
    provides for the payment prior to or in connection with this transaction by
    UDLP of any amount (i) that is not deductible under Section 162(a)(1) or
    404 of the Code or (ii) that is an "excess parachute payment" pursuant to
    Section 280G of the Code.

         (xiii)  Each material trust agreement, annuity contract or other
    funding instrument maintained by UDLP and related to a UDLP Employee
    Benefit Plan has been maintained in all material respects in accordance
    with its terms and applicable law.

         (xiv)   There is no material action, order, writ, injunction, judgment
    or decree outstanding or claim, suit, litigation, proceeding, arbitral
    action, governmental audit or investigation relating to or seeking benefits
    under any UDLP Employee Benefit Plan that is pending or, to the knowledge
    of Sellers, threatened against UDLP or any UDLP Employee Benefit Plan.

         (xv)    Neither UDLP nor Sellers has any legally binding commitment to
    create any additional employee benefit plans which are intended to cover
    UDLP employees or to amend or modify any existing UDLP Employee Benefit
    Plan which would result in a material increase in the costs to UDLP of such
    Plan.

         (xvi)   No UDLP Employee Benefit Plan holds as an asset any interest
    in any annuity contract, guaranteed investment contract or any other
    investment or insurance contract issued by an insurance company that, to
    the knowledge of Sellers, or UDLP is the subject of bankruptcy,
    conservatorship or rehabilitation proceedings.

         (xvii)  Neither the execution and delivery of this Agreement by
    Sellers nor the consummation of the transactions contemplated hereby or the
    related transactions will result in the acceleration or creation of any
    rights of any person to benefits under any UDLP Employee Benefit Plan
    (including, without limitation, the acceleration of the vesting or
    exercisability of any stock options, the acceleration of the vesting of any
    restricted stock, the


                                         -20-


    acceleration of the accrual or vesting of any benefits under any Pension
    Plan or the acceleration or creation of any rights under any severance,
    parachute or change in control agreement).

         (xviii) No event has occurred in connection with which UDLP, any of
    its Subsidiaries or any UDLP Employee Benefit Plan, directly or indirectly,
    could be subject to any material liability (A) under any statute,
    regulation or governmental order relating to any UDLP Employee Benefit Plan
    or (B) pursuant to any obligation of UDLP or any of its Subsidiaries to
    indemnify any person against liability incurred under any such statute,
    regulation or order as it relates to the UDLP Employee Benefit Plans.

         (xix)   None of the Subsidiaries employs any employees or has any
    obligation to contribute to any of the UDLP Employee Benefit Plans.

         (l)     TAXES.  Except as otherwise provided in SCHEDULE 4C(1) and
except as would not result in a liability to UDLP or its Subsidiaries in excess
of amounts accrued on the June 30 Balance Sheet or the Closing Statement:

         (i)     UDLP and its Subsidiaries have filed, or have been included
    in, all material Tax Returns (as defined below) required to be filed by
    them on or before the Closing Date.  To the knowledge of Sellers, the
    Foreign Affiliates have filed, or have been included in, all material Tax
    Returns required to be filed by them on or before the Closing Date.

         (ii)    All material Taxes due and payable by UDLP and its
    Subsidiaries (whether or not shown on any Tax Return) have been timely paid
    in full.  To the knowledge of Sellers, all material Taxes due and payable
    by the Foreign Affiliates (whether or not shown on any Tax Return) have
    been timely paid in full.

         (iii)   No claim has ever been made in writing by a taxing authority
    in a jurisdiction where UDLP or any of its Subsidiaries do not file Tax
    Returns that any of UDLP and its Subsidiaries are or may be subject to
    taxation in a material amount by that jurisdiction.  To the knowledge of
    Sellers, no claim has ever been made in writing by a taxing authority in a
    jurisdiction where any of the Foreign Affiliates do not file Tax Returns
    that any of the Foreign Affiliates are or may be subject to taxation in any
    material amount by that jurisdiction.

         (iv)    None of UDLP's Subsidiaries or Foreign Affiliates which is a
    corporation has filed a consent under Code Section 341(f) concerning
    collapsible corporations.

         (v)     None of UDLP, its Subsidiaries, and its Foreign Affiliates has
    been a United States real property holding corporation within the meaning
    of Code Section 897(c)(2) during the applicable period specified in Code
    Section 897(c)(1)(A)(ii).


                                         -21-


         (vi)    None of UDLP, its Subsidiaries and, to the knowledge of
    Sellers, the Foreign Affiliates, (A) has been a member of any affiliated
    group filing a consolidated federal income Tax Return and (B) has any
    liability for material Taxes of any person as defined in Section 7701(a)(1)
    of the Code (other than UDLP and its Subsidiaries) under Treas. Reg.
    Section 1.1502-6 (or any similar provision of state, local, or foreign
    law), as a transferee or successor or by contract of indemnity.

         (vii)   As of the date hereof, UDLP, its Subsidiaries and, to the
    knowledge of Sellers, the Foreign Affiliates, have no material Tax
    deficiency or claim assessed or, to the knowledge of Sellers, proposed in
    writing against any of them, except to the extent that adequate liabilities
    or reserves with respect thereto are accrued on the Financial Statements 
    in accordance with generally accepted accounting principles  (or, with
    respect to the Foreign Affiliates, on their financial statements determined
    in accordance with United States generally accepted accounting principles)
    or (i) such deficiency or claim is being contested in good faith by
    appropriate proceedings, (ii) no such accrual is required by generally
    accepted accounting principles and (iii) the nature and amount of the
    disputed Tax is set forth on SCHEDULE 4C(1).

         (viii)  As of the date hereof, there are no currently outstanding Tax
    examinations or Tax audits of any of UDLP and its Subsidiaries.  To the
    knowledge of Sellers, as of the date hereof, there are no currently
    outstanding Tax examinations or Tax audits of the Foreign Affiliates.

         (ix)    Neither UD United Defense International Sales Corporation nor
    UDLP Components, Limited has any investment in U.S. property within the
    meaning of Code Section 956.  FMC-Arabia has an investment in U.S. property
    within the meaning of Code Section 956 represented by a loan to UDLP.  To
    the knowledge of Sellers, the Foreign Affiliates have no other investments
    in U.S. property.

         (x)     None of the property of UDLP or any of its Subsidiaries (A) is
    subject to a lease under (x) Section 168(f)(8) of the Internal Revenue Code
    of 1954, or (y) Code Section 7701(h), (B) secures any debt the interest on
    which is tax-exempt under Code Section 103(a), or (C) is tax-exempt use
    property within the meaning of Code Section 168(h).

         (xi)    Neither UD United Defense International Sales Corporation nor
    UDLP Components, Limited nor, to the knowledge of Sellers, any of the
    Foreign Affiliates,  is (i) engaged in a United States trade or business
    for federal Income Tax purposes; (ii) a passive foreign investment company
    within the meaning of the Code; or (iii) a foreign investment company
    within the meaning of the Code.

         (xii)   To the knowledge of Sellers, none of UDLP, its Subsidiaries
    and Foreign Affiliates has participated in or cooperated with an
    international boycott within the meaning


                                         -22-


    of Code Section 999 or has been requested to do so in connection with any
    transaction or proposed transaction.

         (xiii)  Buyer would not be required to include any amount in gross
    income with respect to UD United Defense International Sales Corporation or
    UDLP Components, Limited pursuant to Code Section 951 if the taxable year
    of any of such entities was deemed to end on the Closing Date after the
    Closing.

         (xiv)   Since their respective formations through the date hereof,
    UDLP and Armored Vehicle Technologies Associates have been qualified to be
    treated as partnerships for federal Income Tax purposes and neither UDLP
    nor any of its partners has taken a position inconsistent with such
    treatment with regard to any federal Income Tax.

         (xv)    This Section 4(C)(1) contains the sole and exclusive
    representations and warranties of Sellers with respect to any Taxes or Tax
    matters, with the exclusion of those representations and warranties
    relating to Taxes to the extent set forth in Section 4C(e), Section 4C(f)
    and Section 4C(k).

         (m)     INSURANCE.  Attached hereto as SCHEDULE 4C(m) is a summary of
all material insurance policies issued in favor of UDLP and the Subsidiaries. 
Neither UDLP nor any of its Subsidiaries has received (i) any written notice of
cancellation of any policy described on SCHEDULE 4C(m) or refusal of coverage
thereunder, (ii) any written notice that any issuer of such policy has filed for
protection under applicable bankruptcy laws or is otherwise in the process of
liquidating or has been liquidated, or (iii) any other written notice that such
policies are no longer in full force or effect or that the issuer of any such
policy is no longer willing or able to perform its obligations thereunder.

         (n)     ENVIRONMENTAL COMPLIANCE.

         (i)     To the knowledge of Sellers, except as set forth on SCHEDULE
    4C(n) hereto or the other Schedules hereto, as of the date hereof UDLP and
    the Subsidiaries are in compliance with all Environmental Requirements,
    except for such noncompliance as would not have a Material Adverse Effect. 
    "ENVIRONMENTAL REQUIREMENTS" shall mean all federal, state and local
    statutes, regulations, ordinances, permits, approvals and licenses
    concerning pollution or protection of the environment, including without
    limitation all those relating to the presence, use, production, generation,
    handling, transportation, treatment, storage, disposal, distribution,
    labeling, testing, processing, discharge, release, threatened release,
    control or cleanup of any hazardous materials, substances or wastes, as
    such requirements are enacted and in effect on or prior to the date hereof. 

         (ii)    Except as set forth on SCHEDULE 4C(n) or the other Schedules
    hereto, UDLP has not, since January 1, 1996, received any written notice,
    report or other communication regarding any material violation of
    Environmental Requirements, or any material liabilities,


                                         -23-


    including any material investigatory, remedial or corrective obligations,
    relating to UDLP or its facilities arising under Environmental
    Requirements, except for any of the foregoing, the subject matter of which
    would not have a Material Adverse Effect.

         (iii)   To the knowledge of Sellers, Sellers have delivered, or
    otherwise made available, to Buyer copies of all material written
    environmental reports, audits and assessments in Sellers' possession
    relating to any material environmental liabilities of UDLP or any of its
    Subsidiaries.

         (iv)    This Section 4C(n) contains the sole and exclusive
    representations and warranties of Sellers with respect to any environmental
    matters, including without limitation any arising under any Environmental
    Requirements.

         (o)     UNDISCLOSED LIABILITIES.  Except as set forth on SCHEDULE
4C(o), neither UDLP nor any of its consolidated Subsidiaries has any material
liability or obligation (whether absolute or contingent, liquidated or
unliquidated, or due or to become due) of a type required to be reflected on a
balance sheet prepared in accordance with Applicable Accounting Principles,
except for liabilities and obligations (i) reflected or reserved for on the
balance sheet included in the Latest Financials, (ii) disclosed or referred to
on any of the Schedules or (iii) that have arisen since or arise after the date
of the Latest Financials in the ordinary course of the operation of the Business
(including pursuant to contracts) and consistent with past practice (all of
which are current liabilities similar in type to those reflected on the balance
sheet included in the Latest Financials).

         (p)     ABSENCE OF CERTAIN CHANGES OR EVENTS.  Since June 30, 1997,
UDLP and its Subsidiaries have operated the Business in the ordinary course,
consistent with past practices.  Without limiting the foregoing, since June 30,
1997, except as disclosed on SCHEDULE 4C(p), there has not been any (i) material
adverse change in the Business or the assets, liabilities or financial condition
of UDLP and its Subsidiaries, taken as a whole, (ii) except for normal periodic
increases in the ordinary course of business consistent with past practice,
increase in the compensation payable or to become payable by UDLP or its
Subsidiaries to any of their respective officers, employees or agents
(collectively, "PERSONNEL") whose total compensation for services rendered to
UDLP or its Subsidiaries is currently at an annual rate of more than $100,000 or
any material bonus, incentive compensation, service award or other like benefit
granted, made or accrued, contingently or otherwise, for or to the credit of any
of the Personnel, (iii) material addition to or modification of the employee
benefit plans, arrangements or practices affecting Personnel, (iv) sale,
assignment or transfer of any material assets of UDLP or its Subsidiaries, taken
as a whole, other than in the ordinary course, (v) material change in accounting
methods or practices by UDLP or its Subsidiaries or (vi) revaluation by UDLP or
any of its Subsidiaries of any of their respective material assets.

         (q)     GOVERNMENT CONTRACTS.  Except as set forth on SCHEDULE
4(C)(q):

         (i)     Since January 1, 1994, neither the United States government
    (through relevant contracting officers or the U.S. Department of Justice)
    nor any prime contractor has notified


                                         -24-


    UDLP or either Seller in writing that UDLP has breached or violated in any
    material respect any material statute or regulation pertaining to any
    Government Contract.

         (ii)    Neither UDLP nor any of its Subsidiaries has been debarred or
    suspended from participation in the award of any Government Contract nor,
    to the knowledge of Sellers, has any debarment or suspension proceeding
    been initiated against UDLP or any of its Subsidiaries.

         (iii)   No material termination for default or show cause notice is,
    or since January 1, 1994 has been, in effect pertaining to any Government
    Contract.

         (iv)    Since January 1, 1994, there has been no known governmental
    investigation (other than routine investigations and audit proceedings) of
    UDLP or any of its Subsidiaries regarding an alleged or potential material
    violation of law by UDLP or any of its Subsidiaries with respect to any
    Government Contract.

         (v)     Neither UDLP nor any of its Subsidiaries has since January 1,
    1994 in connection with the Business, conducted any material internal
    investigation in connection with which UDLP has engaged outside legal
    counsel or independent accountants, or made any material voluntary
    disclosure to the U.S. government pursuant to the Voluntary Disclosure
    Program of the U.S. government, outside the ordinary course as a result of
    any material suspected irregularity with respect to any Government
    Contract.

         (vi)    To the knowledge of Sellers, the cost accounting and
    procurement systems maintained by UDLP and its Subsidiaries in connection
    with the conduct of the Business with respect to Government Contracts are
    in compliance with all applicable material U.S. government laws and
    regulations (including all applicable cost accounting standards) in all
    material respects.

         (vii)   With respect to each Government Contract to which UDLP or any
    of its Subsidiaries is a party (A) to the knowledge of Sellers, since
    January 1, 1997, UDLP and each of its Subsidiaries have complied with the
    material terms and conditions of each Government Contract which is a
    Material Contract except for such instances of non-compliance as will not
    result in a termination of the Material Contract or material liability and
    (B) to the knowledge of Sellers, all material representations and
    certifications executed, acknowledged or set forth in each Government
    Contract were complete and correct in all material respects as of their
    effective date.  For the purpose hereof, "GOVERNMENT CONTRACT" means any
    contract between the United States government (or a department or agency
    thereof) or any prime contractor to the United States Government and UDLP,
    any of its Subsidiaries or either Seller.

         (r)     LABOR RELATIONS.  Except as set forth on SCHEDULE 4C(r),
neither UDLP nor any of its Subsidiaries has engaged in any unfair labor
practice that would have a Material Adverse


                                         -25-


Effect and there are no material complaints against UDLP or any of its
Subsidiaries pending or, to the knowledge of Sellers, threatened before the
National Labor Relations Board or any similar state or local labor agency. 
Except as disclosed on SCHEDULE 4C(r), there are no representation questions,
labor strikes, slow downs or stoppages, grievances or other labor disputes
pending or, to the knowledge of Sellers, threatened with respect to the
employees of UDLP or any of its Subsidiaries that would have a Material Adverse
Effect, and neither UDLP nor any of its Subsidiaries (nor either Seller in
connection with the conduct of the Business) has since January 1, 1994
experienced any such representation question, labor strike, slow down, stoppage
or other labor dispute.

         (s)     LICENSES, PERMITS AND AUTHORIZATIONS.  To the knowledge of
Sellers, UDLP or a Subsidiary has all of the licenses, approvals, consents,
franchises and permits necessary to permit UDLP and its Subsidiaries to conduct
the Business as currently conducted, except as would not have a Material Adverse
Effect.

         (t)     ASSETS.  The assets reflected on the June 30 Balance Sheet,
together with all rights of UDLP, its Subsidiaries and Foreign Affiliates under
contracts and the assets of the Foreign Affiliates and such assets as are
transferred to UDLP pursuant to Section 5(g) are all of the material assets used
in the Business.

         (u)     LOSS CONTRACTS; BACKLOG.  Set forth on SCHEDULE 4C(u)-1 are
those Material Contracts with respect to which UDLP has accrued a loss on the
June 30 Balance Sheet.  Set forth on Schedule 4C(u)-2 are (i) a list of the
Backlog with respect to contracts for the sale of goods or services to
unaffiliated third parties where there is an official award reported for UDLP,
broken out by division on FMC's internal financial reporting systems as of
July 31, 1997, which totals approximately $1.4 billion and (ii) a list of
selected contracts and their respective approximate  Backlog (subject to change
based on deliveries and customer-directed contract modification and
authorization changes) for GSD, ASD and DSI.  For purposes of this Agreement,
the term "BACKLOG" means as of any given date, (i) the total amount awarded and
funded under the applicable contract as of such date less (ii) the amount of the
shipments made in respect of such contract as of such date.

         (v)     CUSTOMERS, DISTRIBUTORS AND SUPPLIERS.  SCHEDULE 4C(v) sets
forth a list of the names of the (i) ten (10) largest customers of each division
of the Business (or such fewer number as provide a substantial majority of the
revenue of such division) for the most recent fiscal year, showing the
approximate total sales in dollars by the Business to each such customer during
such fiscal year; and (ii) the ten (10) largest suppliers of each division of
the Business (or such fewer number as supply a substantial majority of the
purchases by dollar volume of such division) for the most recent fiscal year
showing the approximate total purchases in dollars by the Business from each
such supplier during such fiscal year. Neither UDLP nor any of its Subsidiaries
has received any communication in writing from any customer or supplier named on
SCHEDULE 4(C)(v) of any intention to terminate or materially reduce purchases
from or supplies to the Business, which termination or reduction would have a
Material Adverse Effect.


                                         -26-


         (w)     DIVIDENDS BY FOREIGN AFFILIATES.  SCHEDULE 4C(w) sets forth
the aggregate amount of dividends paid to UDLP or the Sellers by each Foreign
Affiliate in each of the preceding five (5) fiscal years and the aggregate
amount of dividends paid by such Foreign Affiliates to UDLP since December 31,
1996.

         5.      COVENANTS OF SELLERS.  Sellers jointly and severally covenant
and agree as follows:

         (a)     ACCESS.  Prior to the Closing, Sellers shall grant to Buyer or
cause to be granted to Buyer and its representatives, employees, counsel and
accountants reasonable access, during normal business hours and upon reasonable
notice, to the personnel, properties, books and records of UDLP and its
Subsidiaries and Foreign Affiliates, and Sellers shall not object to Buyer's
communicating in a reasonable manner with key customers and suppliers on
matters, relating to the Business; PROVIDED, HOWEVER, that such access does not
unreasonably interfere with the normal operations of UDLP and that Sellers'
approval is required with respect to access to, and communications with
customers and suppliers of, the Foreign Affiliates; PROVIDED FURTHER, that all
requests for access shall be directed to Randall S. Ellis, or such other person
as Sellers may designate from time to time; and PROVIDED FURTHER, that Buyer
shall have obtained any and all necessary governmental or administrative
security clearances and approvals.  Buyer shall indemnify and hold Sellers, UDLP
and their respective Affiliates, officers, shareholders, directors and employees
harmless against any and all losses, liabilities, expenses and damages or
actions or claims with respect thereto resulting from claims suffered or
incurred by any of such persons or entities arising out of or with respect to
Buyer's or its representatives', agents' or employees' exercise of Buyer's
rights under this Section 5(a) to the extent arising from the negligence or
willful misconduct of Buyer or its representatives, employees, counsel and
accountants.  Notwithstanding any provision in this Agreement to the contrary,
Buyer's obligations under this Section 5(a) shall survive the termination of
this Agreement and the consummation of the transactions contemplated hereby.

         (b)     ORDINARY CONDUCT.  Except as permitted by the terms of this
Agreement or as set forth in SCHEDULE 5(b) or the other Schedules hereto, from
the date hereof to the Closing, Sellers will cause UDLP and its Subsidiaries
and, subject to existing obligations under any applicable agreement with the
minority partners, Foreign Affiliates to conduct the Business in the ordinary
course, consistent with past practices.  Except as provided in this Agreement or
SCHEDULE 5(b) or the other Schedules hereto, from the date hereof until the
Closing, Sellers shall not permit UDLP or any of its Subsidiaries or, subject to
existing obligations under any applicable agreement with minority partners,
Foreign Affiliates to do any of the following without the prior written consent
of Buyer:

         (i)     in the case of UDLP, amend its Certificate of Limited
    Partnership or its Agreement of Limited Partnership in any manner which
    would be materially adverse to Buyer and, in the case of any Subsidiary or
    Foreign Affiliates of UDLP, amend its corporate charter, bylaws or other
    organizational documents in any manner which would be materially adverse to
    Buyer;


                                         -27-


         (ii)    make any material change in the conduct of the Business,
    except as  contemplated or permitted by this Agreement;

         (iii)   sell, lease, license or otherwise dispose of, or agree to
    sell, lease, license or otherwise dispose of, any interest in any material
    assets of  UDLP or any Subsidiary or Foreign Affiliates, except for sales
    in the ordinary course of business;

         (iv)    permit, allow or subject any of the material assets owned by
    UDLP or any Subsidiary or Foreign Affiliates to any mortgage, pledge,
    security interest, encumbrance or lien or suffer such to be imposed, except
    for Permitted Liens;

         (v)     except in the ordinary course of business or as required by
    law or contractual obligations or other agreements existing on the date
    hereof, increase in any manner the compensation of, or enter into any new
    bonus or incentive agreement or arrangement with, any officers or other key
    personnel;

         (vi)    assume, incur or guarantee any obligation for borrowed money
    (other than intercompany indebtedness) having an outstanding principal
    amount in excess of $1,000,000 in the aggregate;

         (vii)   enter into a material lease of real property other than in the
    ordinary course of business, except  that Buyer acknowledges and consents
    to UDLP entering into any lease the negotiation of which has commenced
    prior to the date of this Agreement or any renewal of a lease to which UDLP
    is a party;

         (viii)  directly or indirectly, make any distribution of assets (other
    than cash distributions or other cash payments by UDLP or its Subsidiaries
    in the ordinary course) to its equity holders, or directly or indirectly,
    purchase, redeem, issue, sell or otherwise acquire or dispose of any equity
    interest of UDLP or such Subsidiary or Foreign Affiliate or cause any
    Foreign Affiliate to accelerate the payment of any dividends;

         (ix)    issue any equity interests or other securities (other than
    debt securities permitted pursuant to the foregoing clause (vi)) or any
    options, warrants or other rights exercisable for such equity interests or
    other securities or otherwise take (or agree or plan to take) any steps
    affecting or changing the capitalization of UDLP or any its Subsidiaries or
    Foreign Affiliates,

         (x)     change its accounting methods, principles or policies in any
    material respect;

         (xi)    make any material Income Tax election that could affect Buyer,
    UDLP or its Subsidiaries after the Closing or apply to change any method of
    accounting for Tax purposes in any material respect;


                                         -28-


         (xii)   acquire or agree to acquire by merging or consolidating with,
    or acquiring by purchasing a substantial portion of the assets of, or in
    any other manner, any business or any corporation, partnership, association
    or other business organization or division thereof or acquire or agree to
    acquire any material assets or property, except in the ordinary course of
    business and in a manner consistent with past practice;

         (xiii)  amend in any materially adverse respect any Material Contract;
    or

         (xiv)   enter into any legally binding commitment to do any of the
    foregoing

PROVIDED, HOWEVER, that nothing in this Section 5(b) shall be construed to
prohibit, prevent or otherwise limit Sellers from settling accounts through, or
otherwise making, regular, tax or other special distributions in cash or
repayments of cash from UDLP to any Seller, to the extent that, unless otherwise
provided in this Agreement (including in Section 2(b)), any such distribution or
repayment is reflected on the Closing Statement; and PROVIDED FURTHER that,
except as set forth in Section 8(p), nothing in this Agreement shall require the
presence of any positive cash balance on the books or in the accounts of UDLP at
the Closing. 

         (c)     CONFIDENTIALITY.  Each Seller agrees that, after the Closing
Date, it shall, and shall use its reasonable efforts to cause its respective
directors, officers, employees, advisors and Affiliates to, keep the Information
(as defined below) confidential for a period of five years from the Closing
Date, except that any Information required by law or legal or administrative
process to be disclosed may be disclosed without violating the provisions of
this Section 5(c), and except that any Information may be used and disclosed (i)
in connection with the exercise or performance by Sellers of their respective
rights and obligations under or as permitted by the Ancillary Agreements and
(ii) (subject to reasonable and customary confidentiality protections, and
without jeopardizing the protection of trade secrets) in connection with the
development, manufacture, sale or distribution of any product outside of UDLP's
Scope of Activity, in each case without violating the provisions of this Section
5(c); PROVIDED, HOWEVER, that, with respect to Information that consists of
technical information, trade secrets or know-how, the covenants and obligations
of the Sellers in this Section 5(c) shall not terminate so long as such
technical information, trade secrets or know-how is or remains Information
subject to this Section 5(c).  At Buyer's request, each Seller shall use legal
action, including the commencement of litigation, if required, to enforce such
confidentiality obligations, and Buyer shall reimburse each such Seller for
reasonable out-of-pocket expenses (including the fees and expenses of counsel)
incurred in connection with such legal action as is requested by Buyer.  For
purposes hereof, the term "INFORMATION" means all information that relates to
UDLP, the Subsidiaries or the Foreign Affiliates or the Business, other than any
such information that is available to the public on the Closing Date, or
thereafter becomes available to the public other than as a result of a breach of
this Section 5(c), or is developed independently by Sellers or their respective
Affiliates after the Closing or is obtained from third parties who have no duty
of confidentiality to Buyer, UDLP or any of its Subsidiaries or Foreign
Affiliates.


                                         -29-


         (d)     PRESERVATION OF BUSINESS.  Prior to the Closing, subject to
the terms and conditions of this Agreement, Sellers shall, and shall cause UDLP
and its Subsidiaries and, subject to applicable agreements with the minority
partners, Foreign Affiliates to, use reasonable best efforts consistent with
past practices to preserve the Business intact, to preserve the goodwill of
customers and suppliers of UDLP and to retain its key employees.

         (e)     COVENANT NOT TO COMPETE.  Each Seller agrees that, for a
period of six years following the Closing Date, it will not, and will cause each
of its Affiliates not to, engage, directly or indirectly, anywhere in the world
in any line of business within the Scope of Activity; PROVIDED, HOWEVER, that
(i) Harsco shall be entitled to continue to engage in the development,
manufacture, retrofit, installation, repair, overhaul, engineer, design,
service, sale and marketing of armor and armor kits for sale to the military and
other customers, (ii) Harsco shall be entitled to engage in activities
reasonably necessary to completing the termination and winding up of its former
truck and bus business and (iii) either Seller shall be entitled to engage in
the development, manufacture, retrofit, installation, repair, overhaul,
engineer, design, service, sale and marketing of any component part or subsystem
of military vehicle systems which are substantially the same as classes of
products or services that primarily are commercially sold by such Seller for
non-military uses.  If any court of competent jurisdiction shall finally hold
that the time, territory or any other provision set forth in this Section 5(e)
constitutes an unreasonable restriction, such provision shall not be rendered
void, but shall apply as to such time, territory or to such other extent as such
court may determine constitutes a reasonable restriction under the circumstances
involved.  Each Seller acknowledges that the restrictions contained in this
Section 5(e) are reasonable and necessary to protect the legitimate interests of
Sellers, UDLP and Buyer and that any breach by either Seller of any provision
hereof will result in irreparable injury to UDLP and Buyer.  Each Seller
acknowledges that, in addition to all remedies available at law, UDLP and Buyer
shall be entitled to equitable relief, including injunctive relief, and an
equitable accounting of all losses and damages.  For purposes of this Agreement,
the "SCOPE OF ACTIVITY" of UDLP shall be to engage in the development,
manufacture, retrofit, installation, overhaul, repair, engineering, design,
service, sale and marketing of any military vehicle system or weapon system or
station or component thereof.  It shall not be a violation of this provision for
either Seller to purchase or combine with an entity conducting a business that
has products and services that fall within the Scope of Activity but are
incidental to the business of such entity as a whole.  Each Seller further
agrees that it will not, for a period commencing on the date hereof and ending
two years following the Closing Date, knowingly solicit the employment of or
hire the employees of UDLP listed on SCHEDULE 5(e).

         (f)     COOPERATION.  For a period of 90 days after the Closing,
Sellers shall cooperate with Buyer and shall cause its respective officers,
employees, agents and representatives to cooperate with Buyer to the extent
reasonably requested by Buyer to provide for an orderly transition of the
Business to Buyer.  Buyer shall reimburse each Seller for the out-of-pocket
costs and expenses incurred by such Seller in assisting Buyer pursuant to this
Section 5(f).  Notwithstanding the foregoing, neither Seller shall be required
by this Section 5(f) to take any action that would unreasonably interfere with
the conduct of its business or the Business.


                                         -30-


         (g)     FMC RESOURCE TRANSFER.  On the Closing Date, FMC shall
transfer to UDLP all of FMC's right, title and interest in and to certain
enumerated assets of FMC's Corporate Technology Center in the manner, and
subject to the terms and conditions, set forth on SCHEDULE 5(g) attached hereto.

         (h)     INTERCOMPANY OBLIGATIONS.  All outstanding intercompany
obligations between each Seller and UDLP or any of the Subsidiaries shall be
settled and terminated at or prior to Closing, other than obligations that
reflect amounts owed for actual services performed or goods delivered in the
ordinary course.

         (i)     FINANCING OBLIGATIONS.  At or prior to the Closing, Sellers
shall cause all outstanding Financing Obligations (other than Financing
Obligations relating to letters of credit and related reimbursement agreements
listed on SCHEDULE 7(e) which are not replaced as provided in Section 7(e) (the
"CONTINUING LC OBLIGATIONS")) to be finally repaid in full, terminated or
reflected in the computation of the Adjusted Net Worth Amount on the Closing
Statement.

         (j)     NOTIFICATION OF CERTAIN MATTERS.  From the date hereof through
the Closing, Sellers shall give prompt written notice to Buyer, and Buyer shall
give prompt written notice to Sellers, of (i) the occurrence, or failure to
occur, of any event which occurrence or failure would be likely to cause any of
Sellers' or Buyer's respective representations or warranties contained in this
Agreement to be untrue or inaccurate in any material respect and (ii) any
material failure of Sellers or Buyer to comply with or satisfy any of its
respective covenants, conditions or agreements to be complied with or satisfied
by it under this Agreement; PROVIDED, HOWEVER, that such disclosure shall not be
deemed to cure any breach of a representation, warranty, covenant or agreement
or to satisfy any condition.

         (k)     FMC ARABIA.  The parties acknowledge that UDLP is the
beneficial owner of limited liability company interests in FMC Arabia Limited, a
limited liability company organized under the laws of the Kingdom of Saudi
Arabia ("FMC ARABIA"), entitling UDLP to 51% of the capital and profits of FMC
Arabia (the "FMC ARABIA INTERESTS") but that FMC is the record owner of the FMC
Arabia Interests.  For administrative convenience, the parties desire that FMC
retain record ownership of the FMC Arabia Interests until such time as Buyer
provides FMC with written notice (a "TRANSFER NOTICE") instructing FMC to
transfer record ownership of the FMC Arabia Interests to UDLP, but that UDLP
continue to be provided all benefits of ownership of the FMC Arabia Interests. 
Following receipt of a Transfer Notice, FMC shall take any and all commercially
reasonable actions necessary to cause record ownership of the FMC Arabia
Interests to be transferred to UDLP, free and clear of all Liens (including,
without limitation, obtaining all requisite governmental and third party
consents and/or approvals), as soon as practical following receipt of the
Transfer Notice and in any event within sixty (60) days after receipt of such
Transfer Notice, at the cost and expense of FMC.  From and after the Closing,
(i) FMC shall promptly remit and pay over to UDLP any and all dividends,
distributions and other payments received by FMC in respect of the FMC Arabia
Interests and (ii) FMC shall take all actions reasonably requested by UDLP in
respect of the FMC Arabia Interests, including, without limitation, granting to
UDLP proxies or 


                                         -31-


powers of attorney in respect of the FMC Arabia Interests or voting the FMC
Arabia Interests as directed by UDLP.  FMC acknowledges and agrees that Buyer
and UDLP shall be entitled to specific performance of FMC's obligations under
this Section 5(k).  Buyer shall indemnify FMC against any liability or expense
it reasonably incurs as a result of taking any actions requested by UDLP under
this Section other than the cost and expense of causing such ownership to be
transferred to UDLP.

         6.      REPRESENTATIONS AND WARRANTIES OF BUYER.  Buyer hereby
represents and warrants to Sellers as follows:

         (a)     AUTHORITY; NO CONFLICTS.

         (i)     Buyer is a corporation duly organized, validly existing and in
    good standing under the laws of the State of Delaware.  Buyer has all
    requisite corporate power and authority to enter into this Agreement and
    the Ancillary Agreements to which it is a party and to consummate the
    transactions contemplated hereby and thereby.  All corporate acts and other
    proceedings required to be taken by Buyer to authorize the execution,
    delivery and performance of this Agreement and the Ancillary Agreements to
    which it is a party and the consummation of the transactions contemplated
    hereby and thereby have been duly and properly taken.  This Agreement has
    been duly executed and delivered by Buyer, and the Ancillary Agreements to
    be executed and delivered by Buyer will be duly and validly executed and
    delivered by Buyer.  This Agreement and the Ancillary Agreements to which
    Buyer is a party constitute, or will constitute, as the case may be, valid
    and binding obligations of Buyer, enforceable against Buyer in accordance
    with their terms.

         (ii)    The execution and delivery by Buyer of this Agreement and the
    Ancillary Agreements to which it is a party do not, and the consummation by
    Buyer of the transactions contemplated hereby and thereby and compliance by
    Buyer with the terms hereof and thereof will not, conflict with, or result
    in any violation of or default under, or give rise to a right of
    termination, cancellation or acceleration of any obligation or to loss of a
    benefit under, or result in the creation of any lien, claim, encumbrance,
    security interest, option, charge or restriction of any kind upon any of
    the properties or assets of Buyer under, or require any consent,
    authorization or approval under any provision of (A) the certificate of
    incorporation or by-laws of Buyer, (B) any material contract to which Buyer
    is a party, or (C) any material judgment, order or decree, or any material
    statute, law, ordinance, rule or regulation applicable to Buyer or its
    property or assets, other than any such conflicts, violations, defaults,
    rights or liens, claims, encumbrances, security interests, options, charges
    or restrictions that, individually or in the aggregate, would not prevent
    Buyer from consummating the transactions contemplated hereby, except for
    any such consents, authorizations or approvals required under the HSR Act
    or that may be required solely by reason of a Seller's status or a Seller's
    participation in the transactions contemplated hereby.

         (b)     ACTIONS AND PROCEEDINGS, ETC.  There are no (i) outstanding
judgments, orders, writs, injunctions or decrees of any court, governmental
agency or arbitration tribunal against Buyer


                                         -32-


which have or could have a material adverse effect on the ability of Buyer to
consummate the transactions contemplated hereby or (ii) actions, suits, claims
or legal, administrative or arbitration proceedings or investigations pending
or, to the knowledge of Buyer, threatened against Buyer, which have or could
have a material adverse effect on the ability of Buyer to consummate the
transactions contemplated hereby.

         (c)     AVAILABILITY OF FUNDS.  Buyer has irrevocable commitments, as
described in the Equity Letter issued on the date hereof by The Carlyle Group
and requiring the contribution of capital to Buyer in the amount of
$175,000,000, the Commitment Letter issued on the date hereof to TC Group,
L.L.C. by Bankers Trust Corporation and the Commitment and Engagement Letter
issued on the date hereof to TC Group, L.L.C. by Lehman Brothers, Inc., each of
which is attached hereto as SCHEDULE 6(c), to enable it to consummate the
transactions contemplated by this Agreement.  Buyer has no reason to believe
that it will not have cash available at the Closing pursuant to such commitments
necessary to consummate the transactions contemplated by this Agreement.  Buyer
has deposited $10,000,000 of the Initial Purchase Price with the escrow agent
pursuant to the terms of the Escrow Agreement attached hereto as EXHIBIT 6(c).

         (d)     ACQUISITION OF INTERESTS FOR INVESTMENT.  All securities
purchased, directly or indirectly, by Buyer pursuant to this Agreement are being
acquired for investment only and not with a view to any public distribution
thereof, and Buyer will not offer to sell or otherwise dispose of such
securities so acquired by it in violation of any of the registration
requirements of the Securities Act of 1933, as amended, or any comparable state
law.

         (e)     FULFILLMENT OF CONDITION.  Buyer has no knowledge of any state
of facts or conditions which would prevent or otherwise hinder, in any material
respect, fulfillment of the condition to Closing specified in Section 3(b)(iii).

         7.      COVENANTS OF BUYER.  Buyer covenants as follows:

         (a)     CONFIDENTIALITY OF BUYER.

         (i)     Buyer acknowledges that all information provided to any of it
    and its Affiliates, agents and representatives by any of FMC, UDLP and
    their respective Affiliates, agents and representatives is subject to the
    terms of a confidentiality agreement between or on behalf of FMC, UDLP and
    Buyer or one or more of their respective Affiliates or other beneficial
    owners (the "DILIGENCE CONFIDENTIALITY AGREEMENT"), the terms of which are
    hereby incorporated herein by reference.  Effective upon, and only upon,
    the Closing, the Diligence Confidentiality Agreement shall terminate.

         (ii)    Buyer agrees that, after the Closing Date, Buyer and UDLP
    shall use their respective reasonable efforts to, and shall use their
    respective reasonable efforts to cause their respective directors,
    officers, employees, former employees, advisors and Affiliates to, keep
    Seller Information (as defined below) confidential for a period of five
    years from the Closing


                                         -33-


    Date; PROVIDED, HOWEVER, that with respect to Seller Information that
    consists of technical information, trade secrets or know-how, the covenants
    and obligations of Buyer and UDLP in this Section 7(a)(ii) shall not
    terminate so long as such technical information, trade secrets or know-how
    is or remains Information subject to this Section 7(a); and PROVIDED
    FURTHER that any Seller Information required by law or legal or
    administrative process to be disclosed may be disclosed without violating
    the provisions of this Section 7(a)(ii).  At any Seller's request, Buyer
    shall, or shall cause UDLP to, use legal action, including the commencement
    of litigation, if required, to enforce such confidentiality obligations,
    and such Seller shall reimburse Buyer for reasonable out-of-pocket expenses
    (including the fees and expenses of counsel) incurred in connection with
    such legal action as is requested by such Seller.  For purposes of this
    Agreement, the term "SELLER INFORMATION" shall mean all information
    concerning Sellers or their Affiliates, including any financial
    information, trade secrets, know-how and other confidential technical and
    business information, other than information that relates to the Business,
    UDLP, the Subsidiaries or the Foreign Affiliates and other than any such
    information that is available to the public on the Closing Date, or
    thereafter becomes available to the public other than as a result of a
    breach of this Section 7(a)(ii).

         (b)     PERFORMANCE OF OBLIGATIONS BY BUYER AFTER CLOSING DATE. 
Subject to Section 8(f), Section 8(h)(xiii), Section 10 and Section 11(a),
following the Closing Date, Buyer shall or shall cause UDLP to duly, promptly
and faithfully pay, perform and discharge when due, (i) all obligations and
liabilities of whatever kind and nature, primary or secondary, direct or
indirect, absolute or contingent, known or unknown, whether or not accrued,
whether arising before, on or after the Closing Date, of UDLP, other than the
Retained Liabilities, without limitation, any such obligations or liabilities
contained in any contract or other agreement and (ii) any liability or
obligation of any Seller and its respective Affiliates with respect to any of
the liabilities described in clause (i), including, without limitation, any
guarantee or obligation to assure performance given or made by one or more of
Sellers and their respective Affiliates with respect to any such obligation of
any of UDLP, the Subsidiaries and the Foreign Affiliates.

         (c)     NO ADDITIONAL REPRESENTATIONS; DISCLAIMER REGARDING ESTIMATES
AND PROJECTIONS. Buyer acknowledges that neither Seller, nor any other person or
entity acting on behalf of a Seller or any Affiliate of a Seller, (i) has made
any representation or warranty express or implied, including any implied
representation or warranty as to the condition, merchantability, suitability or
fitness for a particular purpose of any of the assets used in the Business or
held by UDLP or (ii) has made any representation or warranty, express or
implied, as to the accuracy or completeness of any information regarding the
Business, UDLP or any Affiliate of UDLP, in each case except as expressly set
forth in this Agreement and the Ancillary Agreements or as and to the extent
required by this Agreement to be set forth in the Schedules hereto.  Buyer
further agrees that neither Seller nor any other person or entity will have or
be subject to any liability, except as specifically set forth in this Agreement,
to Buyer or any other person resulting from the distribution to Buyer, or
Buyer's use of, any such information, including the Confidential Offering
Memorandum distributed by Morgan Stanley & Co. Incorporated and any information,
document, or material made


                                         -34-


available to Buyer in certain "data rooms," management presentations or any
other form in expectation of the transactions contemplated by this Agreement.

         In connection with Buyer's investigation of UDLP, Buyer has received
certain projections, including projected statements of operating revenues and
income from operations of the Business and UDLP for the fiscal year ending on
December 31, 1997 and for subsequent fiscal years and certain business plan
information for such fiscal year and succeeding fiscal years.  Buyer
acknowledges that there are uncertainties inherent in attempting to make such
estimates, projections and other forecasts and plans, that Buyer is familiar
with such uncertainties and that Buyer is taking full responsibility for making
its own evaluation of the adequacy and accuracy of all estimates, projections
and other forecasts and plans so furnished to it (including the reasonableness
of the assumptions underlying such estimates, projections and forecasts). 
Accordingly, neither Seller makes any representation or warranty with respect to
such estimates, projections and other forecasts and plans (including the
reasonableness of the assumptions underlying such estimates, projections and
forecasts).

         (d)     Intentionally omitted.

         (e)     CERTAIN GUARANTIES.  Sellers and Buyers shall cooperate and
use their respective reasonable best efforts to cause each of the performance
bonds, letters of credit and/or guaranties or other obligations set forth on
SCHEDULE 7(e) (each a "SELLER GUARANTY") to be replaced with performance bonds
and/or letters of credit issued for the account of Buyer.  Copies of each of the
Seller Guaranties have been provided to Buyer.  If any Seller Guaranty has not
been so replaced as of the Closing (any such Seller Guaranty which is not so
replaced being referred to as "CONTINUING GUARANTY"), Buyer will obtain a letter
of credit in favor of the applicable Seller with a face of amount and expiration
date identical to that set forth in the applicable Continuing Guaranty (the
letters of credit obtained by Buyer in respect of such Continuing Guaranties
being referred to herein as the "SUBSTITUTE LETTERS OF CREDIT").  Each
Substitute Letter of Credit shall permit the beneficiary to draw on such
Substitute Letter of Credit only to the extent of any drawing on the Continuing
Guaranty to which such Substitute Letter of Credit relates and shall otherwise
be on substantially the same terms as the Continuing Guaranties set forth on
SCHEDULE 7(e) and in form and substance reasonably satisfactory to Buyer and
Sellers.  Following the Closing, Buyer shall also indemnify each Seller for any
amounts actually paid by such Seller in respect of the guarantee obligations set
forth on SCHEDULE 7(e), together with interest thereon at a rate of 8% per annum
from the date on which such Seller makes such payment to the date of
reimbursement by Buyer to the extent that drawings under a Substitute Letter of
Credit are not available to reimburse Sellers for the amounts so paid.

         (f)     RETAINED ASSETS AND LIABILITIES.  

         (i)     LITIGATION.  With respect to all litigation matters that are
    designated as retained assets or retained liabilities on SCHEDULE 7(f)
    hereto or which may arise after the execution of this Agreement or the
    Closing, upon the reasonable request of either Seller, Buyer shall promptly
    assist such Seller in the prosecution or defense of any claim, threatened
    claim,


                                         -35-


    audit, investigation or proceeding by or against any governmental entity or
    any other third party (each an "ACTIVITY").  Buyer shall cooperate promptly
    with the applicable Seller in such Seller's efforts to investigate in a
    privileged manner, conduct or resolve any such Activity as may be deemed
    necessary or useful in such Seller's sole but reasonable discretion;
    PROVIDED, HOWEVER, that (A) such assistance does not unreasonably disrupt
    the conduct of Buyer's operations and (B) such Seller shall reimburse Buyer
    for all out-of-pocket expenses reasonably incurred by Buyer in connection
    therewith.  Such assistance shall be provided by the employee or employees
    of Buyer or UDLP best qualified to provide the requested assistance
    expeditiously, as determined by Buyer in its reasonable discretion.  Such
    assistance shall include, without limitation, to the extent reasonably
    practicable, extracting from the files and records of Buyer or UDLP all
    information relevant to the Activity, consultation concerning such
    Activity, testimony, if necessary, in any proceeding relating to such
    Activity, and assistance with the preparation of any pleadings or other
    submissions with respect to such Activity.  Such assistance shall also
    require Buyer to grant Harsco sole possession, custody, control and access
    to all documents currently under Harsco's custody and control which are
    contained within the secure areas in the west warehouse and the farmhouse
    of UDLP's York, Pennsylvania plant as of the Closing Date.  Harsco shall
    provide copies to Buyer, at Buyer's reasonable request, of documents in
    Harsco's custody and control relating to the Business.  Buyer also shall
    provide Harsco access to the above secure areas currently used by Seller to
    store and review said documents and conduct interviews.  Upon the
    conclusion of any Activity pertaining to the documents contained in the
    secured areas described above, possession, custody and control over said
    documents shall be relinquished by Harsco to Buyer.  The parties hereto
    agree that notwithstanding the foregoing, nothing in this Section 7(f)(i)
    will in any way limit or otherwise affect any obligation of Buyer arising
    under this Agreement or the transactions contemplated hereby.

         (ii)    CONTRACT CLOSE-OUTS.  With respect to all contracts that are
    designated as retained assets or retained  liabilities on SCHEDULE 7(f)
    hereto, as to which the applicable Seller will retain all financial
    liability, if any, Buyer and UDLP will be responsible, from and after the
    Closing, for the administration of the close-out or settlement of such
    contracts.  Without limiting the generality of the foregoing, Buyer will
    cooperate as reasonably requested with the applicable Seller in the effort
    to close-out or settle each such contract, including by consulting with
    such Seller on a regular and frequent basis and providing such Seller with
    such information as is requested in such Seller's sole but reasonable
    discretion; PROVIDED, HOWEVER, that such cooperation and consultation does
    not unreasonably disrupt or interfere with the business of UDLP or Buyer. 
    Such Seller shall reimburse Buyer for all out-of-pocket expenses reasonably
    incurred by Buyer in connection therewith.  In addition, the parties hereto
    agree that neither Buyer nor any Affiliate of Buyer may close-out or settle
    any such contract (or resolve any open issues with respect thereto) without
    the prior written consent of the applicable Seller, which will not be
    unreasonably withheld or delayed.

         (g)     1997 AUDITED FINANCIAL STATEMENTS.  Buyer shall prepare and
deliver to each Seller at Buyer's sole cost and expense, as promptly as
practicable but in no event later than 90 days


                                         -36-


after the end of UDLP's 1997 fiscal year, a balance sheet of UDLP as of the end
of such fiscal year and the related statements of operations, changes in
partners' equity and cash flow of UDLP for such fiscal year, together with
appropriate notes to such financial statements, and a balance sheet as of the
end of such prior fiscal years and related statements for such number of
additional fiscal years as may be reasonably requested by either Seller in order
for such Seller to comply with Regulation S-X, 17 C.F.R. Section 210.3-09 ET
SEQ.  These statements shall reflect all of UDLP's expenses and contingent
liabilities as if UDLP were a stand-alone entity consistent with U.S. generally
accepted accounting principles.  These financial statements shall also comply
with the other relevant provisions of Regulation S-X, 17 C.F.R. Section 210, and
shall be audited and reported on by a "big six" accounting firm selected by
Buyer.
    
         8.      MUTUAL COVENANTS.  Sellers and Buyer covenant and agree as
follows:

         (a)     CONSENTS. Buyer acknowledges that certain consents to the
transactions contemplated by this Agreement or the Ancillary Agreements may be
required from parties to contracts, leases, licenses or other agreements
(written or otherwise) to which any of Sellers and UDLP or any of their
respective Affiliates is a party (a "REQUIRED CONSENT") and such consents may
not be obtained prior to the Closing.  Sellers shall cooperate with Buyer in any
reasonable manner and take such reasonable actions as Buyer may request in
connection with Buyer's obtaining any such consents; PROVIDED, HOWEVER, that
such cooperation shall not include any requirement of Sellers to expend money,
commence any litigation or offer or grant any accommodation (financial or
otherwise) to any third party.  In the event that such consents are not
obtained, Sellers shall take such additional actions as reasonably requested by
Buyer to provide to Buyer the economic benefits of such contracts, leases,
licenses or other agreements, including without limitation by subcontracting,
sublicensing or other similar arrangements, provided that Buyer performs and
discharges its obligations under such contracts, leases, licenses or agreements.

         (b)     PUBLICITY.  Each Seller and Buyer agree that, from the date
hereof through the Closing Date, no public release or announcement concerning
the transactions contemplated hereby shall be issued or made by Buyer without
the prior consent of Sellers (which consent shall not be unreasonably withheld)
and no public release or announcement concerning the transactions contemplated
hereby shall be issued or made by any Seller without the prior consent of Buyer
(which consent shall not be unreasonably withheld), except (i) as such release
or announcement may be advisable or required by law or the rules or regulations
of any United States or foreign securities exchange on which such party's
securities are listed, in which case the party required to make the release or
announcement shall allow the other party reasonable time to comment on such
release or announcement in advance of such issuance and (ii) that each of
Sellers and UDLP may make such an announcement to their respective employees. 
Notwithstanding the foregoing, Buyer and each Seller shall cooperate to prepare
press releases to be issued at the time of the signing of this Agreement and on
the Closing Date.  Each Seller and Buyer agree to keep the terms of this
Agreement confidential, except to the extent required by applicable law or for
financial reporting purposes and except that the parties may disclose such terms
to their respective accountants and


                                         -37-


other representatives as necessary in connection with the ordinary conduct of
their respective businesses (so long as such persons agree to keep the terms of
this Agreement confidential).

         (c)     BEST EFFORTS.  Subject to the terms of this Agreement
(including the limitations set forth in Section 8(a)), each party will use its
reasonable best efforts to cause the Closing to occur. 

         (d)     HSR ACT COMPLIANCE.  Buyer and Sellers shall each file or
cause to be filed with the Federal Trade Commission and the United States
Department of Justice any notifications required to be filed under the HSR Act
with respect to the transactions contemplated hereby and each of Buyer and
Sellers shall bear the costs and expenses of their respective filings; PROVIDED,
HOWEVER, that Buyer shall pay the filing fee in connection therewith.  Each of
Buyer and Sellers shall use their respective best efforts to make such filings
promptly (and in any event within five business days) following the date hereof,
to respond to any requests for additional information made by either of such
agencies and to cause the waiting periods under the HSR Act to terminate or
expire at the earliest possible date and to resist in good faith, at each of
their respective cost and expense (including the institution or defense of legal
proceedings), any assertion that the transactions contemplated hereby constitute
a violation of the antitrust laws, all to the end of expediting consummation of
the transactions contemplated hereby.  Each of Buyer, FMC and Harsco shall
consult with the other prior to any material submission to and any meetings, by
telephone or in person, with the staff of the Federal Trade Commission and the
United States Department of Justice, and each of Buyer, FMC and Harsco shall
have the right to review any such submission and have a representative present
at any such meeting.

         (e)     COOPERATION WITH FINANCINGS.  Sellers acknowledge that Buyer
may use the Financial Statements and other information regarding the Business,
UDLP, its Subsidiaries and the Foreign Affiliates in connection with financings
necessary to consummate the Closing, including in a Rule 144A offering
memorandum and a registration statement filed under the Securities Act of 1933,
as amended (the "PUBLIC FILINGS") to be issued or filed by Buyer.  Sellers shall
(and shall cause UDLP and its Subsidiaries to) cooperate in a commercially
reasonable manner with Buyer prior to the Closing so that Buyer can obtain
information sufficient for Buyer to prepare a Rule 144A offering memorandum and
the Public Filings, in each case at Buyer's sole expense.  The foregoing
cooperation of Seller shall include (i) compiling the requisite financial
information, including supplying financial information for purposes of comfort
letters to be issued in connection with Public Filings, (ii) granting Buyer or
UDLP's accountants, E&Y, full and complete access to the books and records of
UDLP and to any personnel knowledgeable about such books and records (including
UDLP's independent accountants), in each case, to the extent reasonably
requested by Buyer, (iii) signing customary management representation letters
related to the Financial Statements and any comfort letters and (iv) using
commercially reasonable efforts to furnish necessary financial information for
additional periods subsequent to June 30, 1997 and prior to the Closing in
connection with such financings.


                                         -38-


         (f)     ENVIRONMENTAL INDEMNIFICATION.

         (i)     NON-SAN JOSE/SANTA CLARA PROPERTIES.  From and after the
    Closing, subject to clause (ii) below, Buyer shall be responsible for the
    costs of all environmental matters relating to the Business that are
    allowable costs under applicable government contracting statutes and
    regulations.

         (ii)    SAN JOSE/SANTA CLARA PROPERTIES.  Subject to the remaining
    provisions of this Section 8(f), FMC will retain and will be responsible
    for 100% of all Remediation Costs after the Closing Date on the Sites
    covered by the Settlement and Advance Agreement, whether or not leased
    pursuant to the Lease.  For a period of ten years following the Closing
    Date, FMC agrees that with respect to the Sites, it shall provide to Buyer
    no later than December 31 of each year commencing with the year 1997 a
    written report (a "REMEDIATION REPORT") containing the following
    information prepared in good faith by or on behalf of FMC:  (A) projected
    Remediation Costs for all of the Sites for each of the four years following
    such year (e.g., by December 31, 1997 FMC will provide projected
    Remediation Costs for the years 1998, 1999, 2000 and 2001) and (B)
    projected recoveries for the four years following such year (calculated
    with reference to the Settlement and Advance Agreement) from FMC Insurers
    attributable and allocable to the Sites.  Attached hereto as SCHEDULE
    8(f)(ii) are the Remediation Reports containing Remediation Costs and FMC
    Insurers recovery projections for years 1997, 1998 and 1999.  Buyer agrees
    that it shall pay to FMC periodically, but in no event more frequently than
    quarterly, commencing September 30, 1997 and ending December 31, 2008 a
    portion of any such Remediation Costs incurred for any year during such
    period equal to (X) the amount of Remediation Costs incurred by FMC during
    such year LESS (Y) the amount of the recoveries from FMC Insurers for such
    year projected in the applicable Remediation Report MULTIPLIED BY (Z) 0.78;
    PROVIDED, HOWEVER, that (X) in no event shall the aggregate amount of such
    payments by Buyer exceed $16,700,000, (Y) the applicable Remediation Costs
    are incurred in accordance with the Advance Agreement and (Z) the total
    amount of Remediation Costs incurred during such year shall not exceed the
    projected Remediation Costs for such year set forth in the Remediation
    Report delivered twelve months prior to the commencement of such year. 
    Buyer further agrees that it shall be responsible for performing, and shall
    perform, all of FMC's reporting obligations under the Settlement and
    Advance Agreement and that neither Buyer nor UDLP shall amend, modify or
    otherwise alter the Settlement in any manner materially disadvantageous to
    FMC and HUC without FMC's prior written consent, which consent shall not be
    unreasonably withheld.  FMC agrees that it shall provide to Buyer as
    reasonably requested all information with respect to the Sites (whether
    relating to insurance, recoveries, Remediation Costs or otherwise) to the
    extent Buyer deems such information reasonably necessary or desirable in
    respect of Buyer's obligations under the Settlement and Advance Agreement. 
    For purposes of this Agreement, the term "SETTLEMENT AND ADVANCE AGREEMENT"
    shall mean the Settlement and Advance Agreement, dated as of December 15,
    1995, by and among UDLP, FMC Corporation and the United States Department
    of Defense, represented by the Corporate Administrative Contracting Officer
    assigned to UDLP, and the


                                         -39-


    terms "FMC INSURERS", "REMEDIATION COSTS" and "SITES" shall have the
    meaning ascribed to such terms in the Settlement and Advance Agreement. 
    Notwithstanding anything to the contrary contained in this Agreement or the
    Lease, Buyer agrees that, from and after the Closing Date, FMC shall have
    the sole right to initiate, control, direct and manage any investigative,
    corrective or remedial action on or with respect to any of the Sites.  In
    connection with any such investigative, corrective or remedial actions to
    be taken after the Closing by FMC, Buyer and UDLP will cooperate with FMC
    as reasonably requested in providing access at reasonable times and under
    reasonable conditions to the Sites covered by the Lease (the "LEASED
    SITES") for the employees, agents and equipment of FMC or its contractors
    and in permitting FMC to construct, maintain and operate on the Leased
    Sites, at no charge to FMC by Buyer or UDLP, such equipment and facilities
    (including without limitation pump and treat facilities) as are deemed
    necessary or desirable by FMC in order to effect such investigative,
    corrective or remedial actions.  FMC shall cooperate with Buyer and UDLP as
    reasonably requested in taking all such actions in a manner designed to
    minimize to the extent reasonably practicable any disruption to the
    operations of the Business on the Leased Sites.
         
         (iii)   Except for Remediation Costs which are the subject of Section
    8(f)(ii), Sellers and Buyer agree to the following allocation of
    responsibility for Environmental Losses which are not allowable costs under
    applicable government contracting statutes and regulations (the
    "NON-ALLOWABLE COSTS"):
         
                 (A)    Buyer shall pay or cause UDLP to pay (or, if
         applicable, reimburse Sellers for the payment of) 25% of Non-Allowable
         Costs with respect to matters that are discovered by UDLP or Buyer and
         of which Sellers are notified in writing prior to the third
         anniversary of the Closing Date (the "TIMELY NON-ALLOWABLE COSTS");
                 
                 (B)    Sellers shall, subject to the provisions of Section
         8(f)(vi), pay (or, if applicable, reimburse Buyer or UDLP for the
         payment of) 75% of Timely Non-Allowable Costs; PROVIDED, HOWEVER, that
         any obligation of Sellers to pay Timely Non-Allowable Costs that have
         not been previously incurred and for which Sellers have not received
         written notice by the tenth anniversary of the Closing Date shall
         terminate on such tenth anniversary; and
                 
                 (C)    Buyer shall pay or cause UDLP to pay (or, if
         applicable, reimburse Sellers for the payment of) 100% of
         Non-Allowable Costs that are not Timely Non-Allowable Costs.

    For purposes of this Agreement, (1) the term "ENVIRONMENTAL LOSSES" means
    all Losses (as defined in Section 11(a) hereto) incurred by Buyer or UDLP
    consistent with commercially reasonable environmental practices to the
    extent, and in the amount, arising from or relating to (i) the use,
    handling, storage, treatment, recycling, generation, transportation,
    release, spilling, leaking, pumping, pouring, emptying, discharging,
    injecting, escaping, leaching,


                                         -40-



    disposal (on-site or off-site), dumping, or threatened release of Hazardous
    Materials on or prior to the Closing Date by UDLP or its Subsidiaries or
    their predecessors in interest, or by their agents, representatives,
    employees, or independent contractors when acting in such capacity on
    behalf of UDLP or its Subsidiaries; (ii) the exposure on or prior to the
    Closing of persons to Hazardous Materials in the work place at any current
    or former facility of the Business (a "FACILITY"); (iii) the exposure of
    persons or property as a result of Hazardous Materials released at or from
    any Facility on or prior to the Closing Date migrating from or otherwise
    emanating from any Facility; (iv) the off-site disposal of any Hazardous
    Materials that were generated at any Facility on or prior to the Closing
    Date; or (v) any pre-Closing violation of, or noncompliance with, any
    Environmental Requirement occurring with respect to the Business or any
    Facility on or prior to the Closing Date; PROVIDED, HOWEVER, that
    Environmental Losses shall not include costs expended by Buyer or UDLP for
    remedial actions that are not reasonably necessary to comply with
    Environmental Requirements; and (2) the term "HAZARDOUS MATERIAL" means any
    substance with respect to which liability or standards of conduct are
    imposed pursuant to an Environmental Requirement.

         (iv)    Sellers, UDLP and Buyer acknowledge and agree that, from and
    after the Closing, their sole and exclusive remedy with respect to any and
    all claims relating to environmental matters relating to UDLP and the
    Business, including Non-Allowable Costs, shall be pursuant to the
    provisions of this Section 8(f).  In furtherance of the foregoing, and
    except for matters which are the responsibility of Sellers pursuant to this
    Section 8(f), Sellers, UDLP and Buyer hereby waive, from and after the
    Closing, to the fullest extent permitted under applicable law, any and all
    rights, claims and causes of action each of them may have against one
    another with respect to environmental matters.  Buyer and UDLP agree to
    assume on the Closing Date all Post-Closing Environmental Losses and
    further agree to indemnify and hold Sellers harmless from and against all
    Post-Closing Environmental Losses with respect to UDLP, its Affiliates and
    successors or the Business.  The term "POST-CLOSING ENVIRONMENTAL LOSSES"
    means all Losses (as defined in Section 11(a) hereto) incurred by Seller to
    the extent and in the amount arising from: (i) the use, handling, storage,
    treatment, recycling, generation, transportation, release, spilling,
    leaking, pumping, pouring, emptying, discharging, injecting, escaping,
    leaching, disposal (on-site or off-site), dumping, or threatened release of
    Hazardous Material after the Closing Date by Buyer, UDLP or its
    Subsidiaries or their successors in interest, or by their agents,
    representatives, employees, or independent contractors when acting in such
    capacity on behalf of Buyer, UDLP or its Subsidiaries or their successors
    in interest, or by their agents, representatives, employees, or independent
    contractors when acting in such capacity on behalf of Buyer, UDLP or its
    Subsidiaries; (ii) the exposure of persons to Hazardous Materials released
    after the Closing in the work place at any Facility owned or operated by
    Buyer, UDLP or its Subsidiaries; (iii) the exposures of persons or property
    as a result of Hazardous Materials released at or from any Facility owned
    or operated by Buyer, UDLP or its Subsidiaries after the Closing Date 
    migrating from or otherwise emanating from any Facility owned or operated 
    by Buyer, UDLP or its Subsidiaries; (iv) the off-site disposal of any 
    Hazardous Materials that were generated at any Facility owned or operated 
    by Buyer, UDLP or its Subsidiaries after the 

                                         -41-


    Closing Date; or (v) any violation of, or noncompliance with, any 
    Environmental Requirement occurring with respect to the Business or any 
    Facility owned or operated by Buyer, UDLP or its Subsidiaries after the 
    Closing Date.

         (v)     Except as otherwise specified in clause (ii) of this Section
    8(f), Sellers shall pay 25% of any insurance recovery with respect to any
    Environmental Losses (net of costs of recovery) to Buyer within 30 days of
    receipt of the recovery amount.  In the event Sellers receive any recovery
    from third party insurers relating to Post-Closing Environmental Losses,
    Sellers shall pay 100% of any such insurance recovery to Buyer within 30
    days of receipt of the recovery amount. 

         (vi)    (A)    Notwithstanding anything in this Agreement to the
    contrary, but subject to the provisions of Section 8(f)(ii), the
    indemnification procedures in this Section 8(f)(vi) shall apply to any
    claim for payment or reimbursement under Section 8(f)(iii)(B) with respect
    to Timely Non-Allowable Costs (collectively "ENVIRONMENTAL CLAIMS").

                 (B)    Any Environmental Claim which is of the nature of a
    third party claim shall also be governed by the procedures set forth in
    Section 11(f) hereof, it being understood that any inconsistencies between
    Section 11(f) and this Section 8(f)(vi) shall be resolved in favor of the
    provisions set forth in this Section.

                 (C)    (1)  Buyer shall notify FMC in writing promptly after
         learning of the existence of an Environmental Claim, which notice
         shall describe in reasonable detail the claim, the amount thereof (if
         known and quantifiable), and a reasonably detailed description of the
         facts giving rise to such claim, except that a failure to provide
         prompt notice shall only serve to limit Buyer's indemnification rights
         hereunder to the extent that FMC is prejudiced by such failure.

                   (2)  Upon assertion by Buyer of a claim covered hereunder,
         FMC shall be entitled (but not obligated) to assume Principal
         Management of the subject matter of such claim.  To assume Principal
         Management, FMC must notify Buyer within 30 days of its receipt of
         said notice that it intends to assume Principal Management.  In the
         event FMC does not elect to undertake Principal Management, Buyer
         shall assume Principal Management of the subject matter of the
         Environmental Claim.

                   (3)  The party not exercising Principal Management with
         respect to a particular matter shall be entitled, at its sole cost and
         expense, to reasonably participate in the management of the
         Environmental Claim. Such participation shall include, without
         limitation: (i) the right to receive copies of all material reports,
         workplans and analytical data submitted to governmental agencies, all
         material notices or other letters or documents received from
         governmental agencies, any other documentation and correspondence
         materially bearing on the Environmental Claim;


                                         -42-


         (ii) the right of reasonable consultation with the party exercising
         Principal Management; and (iii) as to proposed plans of remediation to
         be submitted to governmental agencies, the right of reasonable advance
         review and approval of such plans, which approval shall not be
         unreasonably withheld or delayed.

                   (4)  In the event it undertakes Principal Management of any
         matter, FMC shall, upon reasonable notice to Buyer, have reasonable
         access to the relevant subject facility of Buyer and/or UDLP.

                   (5)  The party undertaking Principal Management hereunder
         for any matter shall manage the matter in good faith and in a
         responsible manner, and any activities conducted in connection
         therewith shall be undertaken promptly and completed reasonably
         expeditiously and in a cost effective manner using commercially
         reasonable efforts.  The parties agree to reasonably cooperate with
         one another in connection with addressing any matter hereunder.
 
                   (6)  Any remedial or corrective action covered hereunder
         shall be deemed to have been adequately completed to the extent that
         it attains compliance in a cost effective manner with applicable
         Environmental Requirements or is completed to the satisfaction of an
         appropriate governmental body.
 
                   (7)  For purposes of this Agreement, the term "PRINCIPAL
         MANAGEMENT" means the authority to principally direct the handling of
         the subject matter of an environmental matter, including, without
         limitation, (1) selection of consultants, contractors, experts or
         advisors, (2) evaluation, selection and implementation of remedial
         measures and (3) negotiations with or challenges to any governmental
         body and third parties.

         (g)     WRITTEN MATERIALS AND RECORDS.

            (i)  After the Closing, Buyer may use and distribute products,
    shipping materials, purchase orders, invoices, sales, promotional or other
    forms and literature which bear the name "FMC" or "Harsco" or the "FMC" or
    "Harsco" design trademark if Buyer attaches a sticker or name plate
    previously approved by FMC or Harsco, as applicable, which discloses the
    acquisition of UDLP by Buyer.  The right granted in the immediately
    preceding sentence shall terminate, in the case of inventory of UDLP
    existing as of the Closing Date, on the earlier of date when Buyer has sold
    all of such inventory and the one year anniversary of the Closing Date.  In
    addition, such right shall terminate, in the case of shipping materials,
    purchase orders, invoices, sales, promotional or other forms and
    literature, 180 days following the Closing Date.  Once such right has
    terminated, Buyer shall deliver or cause to be delivered to each Seller, as
    applicable, or destroy or cause to be destroyed (with a certification of
    such destruction), all of such items bearing the name "FMC" or "Harsco" or
    the "FMC" or "Harsco" design trademark and Buyer further agrees that it
    shall, and shall


                                         -43-


    cause UDLP to, cease to use or display names or materials bearing the name
    "FMC" or "Harsco" or the "FMC" or "Harsco" design trademark or any variant
    thereof or name confusingly similar thereto or to any name or trademark
    retained by FMC Corporation or Harsco.  Notwithstanding the foregoing,
    Buyer will (i) remove all signs bearing the name "FMC" or "Harsco" or the
    "FMC" or "Harsco" design trademark from the Properties within six months
    following the Closing Date and (ii) use commercially reasonable efforts to
    cause the Foreign Affiliates to cease, as soon after the Closing as
    possible, using the name "FMC" or the "FMC" design trademark in connection
    with their respective business operations and as part of their respective
    corporate names (it being understood that the Foreign Affiliates may
    continue to use such names and design trademarks in accordance with the
    foregoing, but in any event for no longer than three years after the
    Closing Date; provided that, if required to continue to use the name under
    existing contracts, such three year period shall not apply).

           (ii)  Buyer and Sellers agree that Sellers may maintain copies of
    any books and records of and other financial, tax, personnel and operations
    data relating to the Business (collectively, the "RECORDS") and, within six
    months following the Closing Date, FMC may prepare a comprehensive index
    and file plan of such Records reasonably acceptable to Buyer (the "FILE
    PLAN").  Buyer agrees to maintain such Records in a manner consistent with
    the File Plan for a period of not less than ten years from the Closing Date
    (plus any additional time during which a party has been advised that there
    is an ongoing legal proceeding or investigation or tax audit with respect
    to periods prior to the Closing Date, or such period is otherwise open to
    assessment).  During such period, Buyer agrees to give Sellers and their
    representatives reasonable cooperation, access (including copies) and staff
    assistance, as needed, during normal business hours and upon reasonable
    notice, with respect to the Records, and Sellers agree to give Buyer and
    its representatives reasonable cooperation, access and staff assistance, as
    needed, during normal business hours and upon reasonable notice, with
    respect to the books and records and other financial data relating to the
    Business as may be necessary for general business purposes, including the
    preparation of tax returns and financial statements, the management and
    handling of tax audits and any closing out of outstanding contracts;
    PROVIDED, HOWEVER, that such cooperation, access and assistance does not
    unreasonably disrupt the normal operations of Buyer or Sellers.  Buyer
    shall not destroy or otherwise dispose of the Records for the period set
    forth in the second sentence of this clause (ii) without the written
    consent of Sellers.  Each party shall be entitled to reimbursement for its
    reasonable out-of-pocket costs in connection with the provision of such
    access.

         (h)     TRANSFERRED EMPLOYEES AND EMPLOYEE BENEFITS.

            (i)  Effective on the Closing Date, Buyer shall cause UDLP to offer
    employment to each person designated on SCHEDULE 8(h)(I) attached hereto
    with salary and wages and with employee benefits that are substantially
    comparable in the aggregate to those provided to such persons by FMC
    immediately prior to the date of such offer, and Buyer shall cause


                                         -44-


    UDLP to, and UDLP shall, employ on such terms each such person who accepts
    such offer (such employees being referred to herein collectively as the
    "TRANSFERRED EMPLOYEES").  The Transferred Employees shall include, in
    addition to those actively at work who accept such offer, all employees on
    leaves of absence, including those on long-term or short-term disability or
    on lay-off which accept such offer.  Upon the hiring of the Transferred
    Employees by UDLP, Buyer shall cause UDLP to, and UDLP shall, (i) for
    benefit accrual purposes, recognize all service of such employees
    recognized by FMC (including predecessor employer service) under all
    employee benefit plans, programs and policies of UDLP at its value under
    such plans, programs and policies as of the Closing Date and (ii) recognize
    all service of such employees recognized by FMC (including predecessor
    employer service) for all other purposes (excluding benefit accrual) under
    all employee benefit plans, programs and policies of UDLP.  The employees
    listed on SCHEDULE 8(h)(i) as retained employees (the "RETAINED EMPLOYEES")
    currently perform substantial services for FMC and, accordingly, will be
    employed after the Closing by FMC and will not be deemed to be Transferred
    Employees or UDLP Employees for purposes of this Agreement.  From and after
    the Closing Date and until such time as agreed upon by Buyer and FMC, Buyer
    will permit such Retained Employees to continue to have access to UDLP's
    facilities, including without limitation office space, telecommunications
    and computer equipment, and FMC will reimburse Buyer or UDLP (in an amount
    to be agreed upon by FMC and Buyer) for costs incurred by UDLP in providing
    such access.

                 (ii)   (A) With respect to the Transferred Employees,
         effective as of the Closing Date, Buyer shall cause UDLP to waive
         pre-existing condition exclusions, evidence of insurability
         provisions, waiting period requirements or similar provisions under
         the UDLP health, dental, disability, accidental death and
         dismemberment and life insurance plans to the extent such exclusions,
         requirements and provisions had been waived or satisfied under the FMC
         Employee Benefit Plans as of the Closing Date.  In addition, Buyer
         shall cause the UDLP health and dental plans to credit the Transferred
         Employees with amounts credited under the FMC health and dental plans
         toward the satisfaction of annual deductible and out-of-pocket
         maximums under the UDLP plans during the calendar year which includes
         the Closing Date.  FMC agrees to provide to Buyer within 30 days after
         the Closing Date such participation, coverage and benefits information
         requested by Buyer in connection with the foregoing.

                 (B)    FMC and its benefit plans shall assume, pay, perform
         and discharge when due all obligations of UDLP with respect to the
         Retained Employees (other than obligations with respect to benefits
         accrued on or prior to the Closing Date, if any, under UDLP Employee
         Benefit Plans) and shall retain all liability and be responsible for
         all obligations of FMC and the FMC Employee Benefit Plans with respect
         to the Retained Employees and any FMC employee who refuses an offer of
         employment from Buyer as specified in Section 8(h)(i).


                                         -45-


         (iii)   Prior to the Closing Date (if practicable), but in any event
    not later than December 30, 1997, FMC shall cause to be transferred from
    the FMC Corporation Salaried Employees' Retirement Plan (the "FMC SALARIED
    PLAN") to a new pension plan adopted by FMC that will be intended to be
    qualified under Code Section 401(a) and that will mirror the terms of the
    FMC Salaried Plan applicable to UDLP employees and former employees as of
    the date of transfer (the "DEFENSE SEGMENT PLAN") assets equal to the
    benefits accrued under the FMC Salaried Plan as of the Closing Date
    (determined in accordance with the actuarial assumptions and methods set
    forth in Schedule 8(h)(iii) but in no event greater than the amount
    permitted to be transferred under Section 414(l) of the Code and the
    regulations thereunder) by all participants in the FMC Salaried Plan who
    were associated with the FMC defense business prior to January 1, 1994,
    and/or who are or were employed by UDLP.  In addition, on or before
    December 31, 1997, FMC shall contribute to the Defense Segment Plan any
    amounts required by the Department of Defense to satisfy the applicable
    provisions of Cost Accounting Standard ("CAS") 413 and any other CAS or
    Federal Acquisition Regulation provisions which are applicable.  The assets
    of the Defense Segment Plan shall continue to be held by and invested under
    the FMC Master Trust and may be invested as permitted pursuant to the terms
    of such plan and the FMC Master Trust.  Effective on the Closing Date,
    Buyer shall become the sponsor of the Defense Segment Plan and assume all
    liabilities associated therewith, and, as soon as possible following the
    Closing Date, FMC shall cause all of the assets associated with the Defense
    Segment Plan to be transferred from the FMC Master Trust to a pension trust
    designated by Buyer.  Notwithstanding the above, if it is not possible by
    the Closing Date to finalize the amount of assets to be transferred from
    the FMC Salaried Plan to the Defense Segment Plan or to finalize such other
    amount to be contributed by FMC, then, no later than the Closing Date, FMC
    shall cause to be transferred from the FMC Salaried Plan and contributed by
    FMC to the Defense Segment Plan a substantial portion of such assets and
    contributions and, as soon as possible after the Closing Date, but in no
    event later than September 15, 1998, FMC shall cause to be transferred from
    the FMC Salaried Plan and/or contribute to the Defense Segment Plan the
    amounts necessary to complete the transfer (which, in the case of the
    transfer of assets from the FMC Salaried Plan, shall include earnings
    attributable to such additional amount from the first transfer date to the
    date of final transfer, and in the case of contributions from FMC shall
    include earnings attributable to such amount from the first transfer date
    to the date of final transfer).  In addition, as soon as possible following
    the Closing Date, FMC shall cause to be transferred from the FMC Salaried
    Plan to the Defense Segment Plan (or such other pension plan for UDLP
    Employees so designated by Buyer) assets equal to the benefits accrued
    under the FMC Salaried Plan as of the Closing Date (determined in
    accordance with the actuarial assumptions and methods set forth on Schedule
    8(h)(iii) but in no event greater than the amount permitted to be
    transferred under Section 414(l) of the Code and the regulations
    thereunder) by the Transferred Employees plus earnings attributable to such
    assets from the Closing Date to the date of transfer and minus benefit
    payments made with respect to any Transferred Employee.  The calculation of
    the benefit and asset transfer amounts contemplated by this Section
    8(h)(iii) shall be first made by FMC's actuary.  Buyer's actuary shall be
    provided with sufficient data to replicate such calculation prior to the
    actual date of


                                         -46-


    transfer.  Any disputes regarding the correctness of these calculations or
    FMC's compliance with this Section 8(h)(iii) shall be resolved in
    accordance with Section 29 of this Agreement.  No later than 60 days
    following the Closing Date, FMC and Buyer shall cooperate to file any
    necessary governmental forms with respect to the above-described transfer
    of assets and liabilities.  Following the completion of each such transfer
    of assets and liabilities, the appropriate UDLP plan other than the San
    Jose Plan shall assume all liability for such liabilities as of the Closing
    Date.  Notwithstanding the above, FMC shall retain all liabilities under
    the FMC Salaried Plan which are funded pursuant to group annuity contracts
    issued by Aetna and The Prudential Insurance Company of America and will
    retain such insurance contracts.  Prior to the Closing Date, FMC shall
    cause UDLP to spin off from the FMC Corporation Retirement Plan for Hourly
    Employees -- San Jose (the "SAN JOSE PLAN") into an appropriate FMC pension
    plan, the assets and liabilities of the "commercial segment" thereof.  The
    participants covered by the "commercial segment" are those participants who
    are not currently and were not previously employed by UDLP or FMC in the
    defense business (other than employees of FMC's Corporate Technology
    Center).  Prior to the Closing Date and prior to the date FMC causes UDLP
    to transfer such assets and liabilities, FMC's actuary and Buyer's actuary
    shall agree on such amount to be transferred by UDLP using reasonable,
    agreed actuarial and accounting methods and assumptions.  Also, if the U.S.
    Department of Defense concludes, either before or after the Closing Date,
    that any portion of the assets so transferred by UDLP should not have been
    transferred, FMC shall return such amount to the San Jose Plan with
    appropriate interest thereon.

         (iv)    Effective on the Closing Date, the Transferred Employees shall
    be eligible to participate in the United Defense Limited Partnership
    Salaried Employees' Plan (the "UDLP THRIFT PLAN") in accordance with the
    terms of such plan and shall no longer be eligible to make contributions
    under the FMC Employees' Thrift and Stock Purchase Plan (the "FMC THRIFT
    PLAN").  As soon as possible following the Closing Date, the UDLP Thrift
    Plan shall accept a direct trust-to-trust transfer from the FMC Thrift Plan
    of cash and other property (including FMC common stock) equal to the total
    account balances with respect to the Transferred Employees.  Prior to such
    transfer of assets, UDLP shall provide to FMC an opinion letter of outside
    counsel to Buyer that such counsel knows of no reason why the current
    favorable determination letter issued by the Internal Revenue Service with
    respect to the UDLP Thrift Plan should be revoked solely as a result of
    changes made or actions taken by UDLP or Buyer on or after the Closing
    Date.  Following such transfer of account balances, the UDLP Thrift Plan
    shall assume all liability for benefits with respect to the amounts
    transferred from the FMC Thrift Plan.

         (v)     For a period of one year following the Closing Date, Buyer
    agrees, and agrees to cause UDLP or its successor to the Business, (I) to
    provide to employees of UDLP employed as of the Closing Date (including the
    Transferred Employees) (the "UDLP EMPLOYEES") salaries, wages and employee
    and retirement benefits that are substantially comparable in the aggregate
    as those provided to such employees immediately prior to the Closing Date
    and (II) to provide to or on behalf of former employees of UDLP or of any


                                         -47-


    predecessor employer retiree medical insurance, retiree life insurance and
    any other retiree benefits that are substantially the same as those
    provided by UDLP or FMC to or on behalf of such former employees as of the
    Closing Date.  Buyer shall cause UDLP to retain and discharge all
    liabilities with respect to current or former UDLP Employees (including
    current or former FMC and Harsco employees whose liabilities were assumed
    by UDLP) assumed by UDLP upon its formation.  Notwithstanding the
    foregoing, nothing in this clause (v) or elsewhere in this Agreement shall
    be deemed to restrict or otherwise prevent or prohibit Buyer or UDLP from
    terminating after the Closing Date any UDLP Employees, to the extent
    permitted by applicable law and applicable collective bargaining or other
    employment-related agreements.  If within one year following the Closing
    Date Buyer or UDLP either terminates (other than for Cause) any such UDLP
    Employee or subjects any such UDLP Employee to an indefinite lay-off, Buyer
    shall pay to such UDLP Employee severance pay in an amount equal to the
    greater of (A) the amount that would have been due such UDLP Employee under
    the UDLP severance pay plan attached hereto as SCHEDULE 8(H)(v) if such
    UDLP Employee was terminated by UDLP and (B) the amount due such UDLP
    Employee under the Buyer severance pay plan applicable to such UDLP
    Employee. Buyer shall recognize, for all purposes of any such severance
    plan and any other employee benefit plan applicable to any such UDLP
    Employee, the service of such UDLP Employee with any of the Sellers, UDLP
    or other Affiliates of either Seller prior to the Closing Date to the
    extent recognized by similar plans of UDLP or FMC, as applicable, prior to
    the Closing Date, provided that for benefit accrual purposes Buyer shall
    recognize such service only at its value under such plans as of the Closing
    Date. For purposes of calculating the pension payable with respect to a
    UDLP Employee entitled to the severance described above, the early
    commencement reduction factor shall be applied assuming the termination of
    employment was "in connection with a permanent reduction in force" within
    the meaning of the UDLP pension plan.  For purposes of this Section 8(h),
    the term "CAUSE" shall mean (A) any material failure by a UDLP Employee to
    perform his or her duties or any material failure by a UDLP Employee to
    obey policy directives from his or her supervisor, (B) the commission by a
    UDLP Employee of an act of fraud, misappropriation, embezzlement or any
    other act involving moral turpitude or constituting a felony or (C) the
    commission by a UDLP Employee of any act of dishonesty which injures Buyer
    or UDLP.

         (vi)    As soon as practicable following the Closing Date, FMC shall
    cause to be transferred from the FMC master pension and thrift plan trusts
    (the "FMC MASTER TRUSTS") to new or existing pension and thrift plan trusts
    maintained by Buyer or UDLP assets held in the FMC Master Trusts which
    relate to the UDLP pension and thrift plans.

         (vii)   As soon as practicable following the Closing Date, FMC shall
    cause to be transferred to UDLP, and Buyer shall cause UDLP to assume, the
    FMC Section 501(c)(9) benefit trusts for hourly employees, and FMC shall
    cause to be transferred to a new or existing Section 501(c)(9) benefit
    trust maintained by UDLP or Buyer assets from the FMC Section 501(c)(9)
    benefit trust for salaried employees equal to the portion of the assets in
    such trust which relate to UDLP retiree medical and life insurance
    benefits.


                                         -48-



         (viii)    Except as provided in this subparagraph (viii), it is agreed
    that, following the Closing Date, each Seller will be responsible for, and
    will reimburse UDLP with respect to, all payments made by UDLP after the
    Closing Date to any of such Seller's former employees for workers'
    compensation benefits relating to occurrences prior to January 1, 1994.
    The obligations on the part of each Seller to make such payments shall
    continue for so long as any such payments become due to any former employee
    of such Seller.  With respect to any workers' compensation claim based upon
    conditions arising out of facts or circumstances occurring both before and
    after January 1, 1994, the obligations of each Seller shall be determined
    in accordance with applicable governmental regulations governing the
    apportionment of responsibility for workers' compensation between
    predecessor and successor employers.  Buyer hereby agrees that Buyer and
    UDLP shall be solely responsible for any workers' compensation claim based
    upon conditions arising out of facts or circumstances occurring solely on
    or after January 1, 1994 and acknowledge and agree that in no event shall
    any Seller be responsible for any such workers' compensation claim.

         (ix) Notwithstanding anything to the contrary contained in any
    applicable FMC stock option plan or any applicable stock option agreement,
    FMC and Buyer agree that each Transferred Employee shall have the right to
    exercise any outstanding stock option granted to him under any such plan
    that is vested as of the Closing Date within the earlier of (A) two years
    from the Closing Date and (B) the scheduled expiration date of any such
    option.

         (x)  Effective as of the Closing Date, no participant in the UDLP
    Thrift Plan shall be eligible to purchase any additional shares of FMC or
    Harsco common stock under the UDLP Thrift Plan.  Effective on the Closing
    Date and for a period of two years following the Closing Date, Buyer shall
    cause the UDLP Thrift Plan to be amended to cause UDLP to allow each
    employee of UDLP to sell all or any portion of the FMC or Harsco common
    stock allocated to such employee's account under the UDLP Thrift Plan.  In
    addition, no less than ten business days prior to the expiration of such
    two-year period, Buyer agrees to discuss in good faith with FMC and Harsco
    the repurchase by FMC of any FMC common stock and the repurchase by Harsco
    of any Harsco common stock remaining in the UDLP Thrift Plan.

         (xi) Each UDLP Employee who participated immediately prior to the
    Closing in the FMC 1995 Management Incentive Plan (the "MIP") shall receive
    a BPI Award (as defined below) with respect to the Three-Year Period (as
    defined in the MIP) ending December 31, 1997 and with respect to the
    Three-Year Period (as defined in the MIP) ending December 31, 1998.  Buyer
    or UDLP shall pay each such BPI Award that is accrued for on the Closing
    Statement to the applicable UDLP Employee at the time when FMC makes
    payment of the BPI Awards to other participants in the MIP, unless such BPI
    Award has previously been paid to such UDLP Employee.  For purposes of this
    Agreement, the term "BPI AWARD" shall mean a Three-Year Incentive Award
    within the meaning of the MIP.  In addition, each UDLP Employee who
    participated immediately prior to the Closing in the MIP shall receive an
    annual performance incentive award with respect to the calendar year ending
    December 31, 1997.  Buyer or UDLP shall pay each such annual performance


                                         -49-



    incentive award that is accrued for on the Closing Statement to the
    applicable UDLP Employee at the time when FMC makes payment of the annual
    performance incentive awards to other participants in the MIP, unless such
    award has previously been paid to such UDLP Employee.


         (xii) As of the Closing, FMC shall pay to each UDLP Employee the
    amounts due and payable to such UDLP Employee as incentive payments under
    any UDLP letter agreement applicable to such UDLP Employee as described on
    SCHEDULE 8(h)(xii) hereto.  At the Closing, UDLP shall pay to FMC an amount
    in cash equal to the aggregate amount of all such incentive payments so
    made by FMC and such payment shall reduce the cash of UDLP or be reflected
    as a liability of UDLP on the Closing Statement for the purposes of
    determining the Adjusted Net Worth Amount as of the Closing Date.  In
    addition, after the Closing, Buyer shall pay to each UDLP Employee the
    amounts due and payable to such UDLP Employee as severance payments under
    any UDLP letter agreement applicable to such UDLP Employee as described on
    SCHEDULE 8(h)(xii) hereto with respect to any such UDLP Employee terminated
    after Closing.

         (xiii) Without limitation to the provisions of Section 11 and in
    addition thereto, each Seller shall indemnify Buyer, its Affiliates and
    each of its officers, directors and employees and hold them harmless from
    any Losses suffered or incurred by any such indemnified party to the extent
    arising from (i) any failure of the benefit formula in effect as of the
    date hereof under the United Defense CSD Salaried Employees Pension Plan to
    comply with the requirements of ERISA or the Code, (ii) the matters
    relating to the exceptions to the representations and warranties of Sellers
    set forth on SCHEDULE 4C(k) (other than those exceptions identified on
    SCHEDULE 4C(k) as not subject to this subparagraph) and (iii) Federal labor
    law or any collective bargaining agreement by reason of the transfer of
    assets and liabilities of the "commercial segment" of the San Jose Plan
    described in Section 8(h)(iii).  The indemnification obligations of Sellers
    pursuant to this Section 8(h)(xiii) shall not be subject to any limitations
    imposed on the indemnification obligations of Sellers set forth in
    Section 11 hereof.

         (i)  MUTUAL RELEASE.  Except as otherwise specifically set forth
herein or on SCHEDULE 7(f) hereto, effective as of the Closing:

         (i)  Buyer and UDLP hereby unconditionally and irrevocably release and
    discharge each Seller and its respective Affiliates, successors, assigns,
    directors, officers, partners, members, employees and representatives
    (collectively, the "SELLER RELEASED PARTIES") from and against any and all
    actions, causes of action, suits, debts, dues, sums of money, accounts,
    reckonings, liabilities, covenants, contracts, controversies, agreements,
    promises, damages, judgments, claims and demands of whatever nature that
    Buyer or UDLP or their respective Affiliates, successors, assigns,
    directors, officers, partners, members, employees and representatives
    (collectively, the "BUYER RELEASED PARTIES") ever had, now have or
    hereafter may or shall have that arise from, are related to, connected with
    or that


                                         -50-



    concern the Participation Agreement among FMC Corporation, Harsco and UDLP
    dated as of January 1, 1994, the Partnership Agreement among such parties
    of even date therewith and the other agreements contemplated thereby.

         (ii) Sellers hereby unconditionally and irrevocably release and
    discharge the Buyer Released Parties from and against any and all actions,
    causes of action, suits, debts, dues, sums of money, accounts, reckonings,
    liabilities, covenants, contracts, controversies, agreements, promises,
    damages, judgments, claims and demands of whatever nature that the Seller
    Released Parties ever had, now have or hereafter may or shall have that
    arise from, are related to, connected with or that concern the
    Participation Agreement among FMC Corporation, Harsco and UDLP dated as of
    January 1, 1994, the Partnership Agreement among such parties of even date
    therewith and the other agreements contemplated thereby.


         (j)  INSURANCE.  Buyer acknowledges that Sellers and their respective
Affiliates shall have no responsibility for obtaining any insurance or bearing
any loss, liability, claim, damage or expense relating to the assets, business,
operations, conduct, products and employees (including former employees) of
UDLP, the Subsidiaries or the Foreign Affiliates that relates to or arises out
of occurrences subsequent to the Closing other than as provided herein.  Nothing
in this Section 8(j) shall modify the rights or obligations of the parties with
respect to indemnification obligations or the responsibility for losses,
liabilities, damages or expenses that relates to or arises out of occurrences
prior to the Closing which is provided for elsewhere in this Agreement.

         (k)  TRANSITION SERVICES AGREEMENT.  At the Closing, FMC and Buyer
shall execute and deliver the form of Transition Services Agreement attached
hereto as EXHIBIT 8(k) (the "TRANSITION SERVICES AGREEMENT").  The parties shall
cooperate in good faith to negotiate and provide prior to Closing each annex to
such agreement.  Promptly following the execution of this Agreement,
representatives of FMC and Buyer shall meet to develop a transition plan which
will identify services, service periods and service charges to be provided
pursuant to the Transition Service Agreement and which will, to the extent
practicable, be completed prior to the Closing.

         (l)  TECHNOLOGY AND ENVIRONMENTAL SERVICES AGREEMENT.  At the Closing,
FMC and Buyer shall execute and deliver the form of Technology and Environmental
Services Agreement attached hereto as EXHIBIT 8(l) (the "TECHNOLOGY AND
ENVIRONMENTAL SERVICES AGREEMENT").  The parties shall cooperate in good faith
to negotiate and provide prior to Closing each annex to such agreement.

         (m)  LEASE.  At the Closing, FMC and UDLP shall execute and deliver
the form of Amended and Restated Lease attached hereto as EXHIBIT 8(m) (the
"LEASE"), pursuant to which UDLP shall lease certain buildings and real property
in Santa Clara County, California owned by FMC, including certain properties
currently leased by UDLP and certain properties used by FMC's Corporate
Technology Center.

                                         -51-


         (n)  INTELLECTUAL PROPERTY AGREEMENTS.  At the Closing, FMC and UDLP
shall execute and deliver the form of Amended and Restated FMC Intellectual
Property Agreement attached hereto as EXHIBIT 8(n)-1 (the "FMC INTELLECTUAL
PROPERTY AGREEMENT") and Harsco and UDLP shall execute and deliver the form of
Amended and Restated Harsco Intellectual Property Agreement attached hereto as
EXHIBIT 8(n)-2 (the "HARSCO INTELLECTUAL PROPERTY AGREEMENT").

         (o)  INTELLECTUAL PROPERTY RECORDATIONS.  From and after the Closing,
at the written request of Buyer, FMC or Harsco, as applicable, will cooperate
with Buyer to cause any FMC Transferred IP Rights (as defined in the FMC
Intellectual Property Agreement, dated as of January 1, 1994, by and between FMC
and UDLP) or Harsco Transferred IP Rights (as defined in the Harsco Intellectual
Property Agreement, dated as of January 1, 1994, by and between Harsco and
UDLP), the transfer of ownership to UDLP of which shall not have been, prior to
the Closing Date, officially recorded with appropriate authorities in any
applicable jurisdiction, to be so officially recorded in the name of UDLP, Buyer
or one of Buyer's Affiliates (as instructed in writing by Buyer), the cost of
which will be shared equally by Sellers and Buyer.

         (p)  CASH BALANCE AS OF THE CLOSING.  As of the Closing Date, FMC
shall make a good faith estimate of the aggregate liability of UDLP for all
outstanding checks to be included in accounts payable on the Closing Statement.
Sellers agree that, as of the Closing, UDLP shall have cash or cash equivalents
having an aggregate value equal or greater than such estimated liability for
outstanding checks.


         (q)  FNSS ROYALTY DISPUTE.  To the extent that Sellers have any
liability in respect of the Retained Liability set forth as Item III.4. on
SCHEDULE 7(f), Buyer agrees that the amount of any such liability shall be
reduced by the aggregate amount of royalty payments withheld by FNSS in respect
of periods prior to the Closing Date.  Sellers agree that they shall not settle
the FNSS litigation described on SCHEDULE 4C(i) in any manner adverse to UDLP or
Buyer without the consent of Buyer (which consent shall not be unreasonably
withheld).

         9.   FURTHER ASSURANCES.  From time to time, as and when requested by
any party hereto, any other party hereto shall execute and deliver, or cause to
be executed and delivered, all such documents and instruments and shall take, or
cause to be taken, all such further or other actions (subject to any limitations
set forth in this Agreement), as such other party may reasonably deem necessary
or desirable to consummate the transactions contemplated by this Agreement.

         10.  TAX MATTERS.

         (a)  Prior to Closing, Buyer and Sellers will agree to allocate an
amount of the Final Purchase Price to the covenants contained in Section 5(e)
hereof.  Buyer and Sellers will allocate the balance of the Final Purchase Price
among the assets of UDLP based on the appraisal obtained by Buyer at Buyer's
expense, subject to Sellers' approval (which approval shall not be unreasonably
withheld).  Buyer and Sellers will determine the Income Tax consequences of the
purchase and sale of the Interests and covenants contained in section 5(e) in a
manner consistent with

                                         -52-


such allocation.  Each of Buyer, UDLP, the Subsidiaries, the Foreign Affiliates
and Sellers will file all Income Tax Returns (including amended returns and
claims for refund) in a manner consistent with such allocation and this Section
10(a).

         (b)  Sellers shall indemnify and hold harmless any Buyer Indemnified
Party from and against all Income Taxes (i) with respect to all periods of UDLP
or the Subsidiaries ending on or prior to the Closing Date and (ii) with respect
to any period of any of UDLP or the Subsidiaries beginning before the Closing
Date and ending after the Closing Date, but only with respect to Income Taxes
attributable to that portion of such period up to and including the Closing Date
(such portion, a "PRE-CLOSING PARTIAL PERIOD").  Sellers shall indemnify and
hold harmless any Buyer Indemnified Party from and against UDLP's Share of any
Taxes of the Foreign Affiliates (x) with respect to all periods of the Foreign
Affiliates ending on or prior to the Closing Date, (y) with respect to any
Pre-Closing Partial Period of the Foreign Affiliates and (z) attributable to any
breach of the representations contained in Section 4C(l), but only to the extent
that UDLP's Share of such Taxes described in (x), (y) and (z) exceeds the sum of
$4 million (the "FOREIGN AFFILIATE TAX BASKET") and UDLP's Share of the reserves
or accruals for Income Taxes and Other Taxes, accrued but not payable, reflected
in the Foreign Affiliate Closing Date Balance Sheets.  Notwithstanding anything
in this Agreement to the contrary, (i) Sellers shall not be required to
indemnify any Buyer Indemnified Party for Taxes to the extent of the aggregate
reserves therefor taken into account in the preparation of the Closing Balance
Sheet (and in the case of Taxes of any Foreign Affiliate accrued but not payable
that are reflected in the Foreign Affiliate Closing Date Balance Sheets) and
(ii) Sellers shall not be required to indemnify any Buyer Indemnified Party for
any Taxes attributable to a Tax period (or partial Tax period) beginning on or
after the Closing Date.  Sellers shall be entitled to any net refunds of Taxes
(including interest thereon) with respect to any Tax period (or partial Tax
period) of any of UDLP and its Subsidiaries ending on or before the Closing
Date, except to the extent such refund arises as the result of a carryback of a
loss or other Tax benefit from a period beginning after the Closing Date, and
any refunds of Taxes attributable to an amount paid by Sellers under this
Section.  UDLP's share of any net refunds of Taxes (including interest thereon)
with respect to any Tax period (or partial Tax period) of any Foreign Affiliate
ending on or before the Closing Date (except to the extent such refund arises as
the result of a carryback of a loss or other Tax benefit from a period beginning
after the Closing Date) shall be added to the Foreign Affiliate Tax Basket.

         (c)  Buyer shall indemnify and hold harmless each Seller Indemnified
Party from and against all Taxes (i) with respect to all periods of any of UDLP,
its Subsidiaries, and the Foreign Affiliates beginning after the Closing Date,
(ii) with respect to any period of UDLP, its Subsidiaries, and the Foreign
Affiliates beginning before the Closing Date and ending after the Closing Date,
but only with respect to the portion of such period beginning the day after the
Closing Date (such portion, a "POST-CLOSING PARTIAL PERIOD"), or (iii) payable
as a result of any events occurring on the Closing Date, but after the Closing,
which are outside of the ordinary course of business.  Buyer shall be entitled
to all refunds of Taxes with respect to the periods described in clauses (i) and
(ii) above.

                                         -53-


         (d)  Any Income Taxes of UDLP or its Subsidiaries or any Taxes of the
Foreign Affiliates for a period including a Pre-Closing Partial Period and a
Post-Closing Partial Period shall be apportioned between such Pre-Closing
Partial Period and such Post-Closing Partial Period, based, in the case of real
and personal property Taxes, on a per diem basis and, in the case of other
Taxes, on the actual activities, taxable income or taxable loss of UDLP or its
Subsidiaries or the Foreign Affiliates, as the case may be, during such
Pre-Closing Partial Period and such Post-Closing Partial Period.

         (e)  Sellers and Buyer agree to give prompt notice to each other of
any proposed adjustment to Taxes for periods of UDLP, its Subsidiaries and the
Foreign Affiliates ending on or prior to the Closing Date or any Pre-Closing
Partial Period.  Sellers and Buyer shall cooperate with each other in the
conduct of any audit or other proceedings involving UDLP for such periods and
each may participate at its own expense; PROVIDED, HOWEVER, that Sellers shall
have the right to control the conduct of any such audit or proceeding for which
Sellers and Buyer agree that any resulting Tax is or may be covered by the
indemnity provided in this Section 10 or Section 11; PROVIDED FURTHER that Buyer
may elect to have counsel of its choosing participate on behalf of UDLP in any
such proceeding.  Notwithstanding the foregoing, Sellers may not settle or
otherwise resolve any such claim, suit or proceeding which would have a material
adverse effect on Buyer's liability for Taxes after Closing without the consent
of Buyer, which consent shall not be unreasonably withheld.

         (f)  Sellers, Buyer and UDLP agree to treat all payments made under
this Section 10, under any other indemnity provision contained in this
Agreement, and in respect of any misrepresentations or breaches of warranties or
covenants as adjustments to the Final Purchase Price for Tax purposes.

         (g)  For purposes of this Section 10, all references to Buyer,
Sellers, UDLP, its Subsidiaries and Foreign Affiliates shall include their
respective successors.

         (h)  Buyer and Sellers shall each pay one-half of all state, county,
or local sales, excise, value added, use, registration, stamp, or other transfer
Taxes and similar Taxes, levies, charges or fees required to be paid on or as
the result of the transfer of the Interests.

         (i)  FILING RESPONSIBILITY.

         (i)  FMC shall prepare and file (or shall cause UDLP to prepare and
    file) all Income Tax Returns for UDLP for any taxable period ending on or
    before the Closing Date and UDLP will pay any Income Taxes owed by UDLP
    with respect to such Income Tax Returns subject to its rights to
    indemnification under Section 10(b).

         (ii) Buyer and UDLP shall, subject to the provisions of  Section
    10(h)(iii) and (iv), file all other Tax Returns with respect to the
    Business and the business and operations of the Foreign Affiliates.

                                         -54-


         (iii) With respect to any Income Tax Return of UDLP for taxable
    periods beginning before the Closing Date and ending after the Closing
    Date, Buyer shall cause UDLP to consult with Sellers concerning such Tax
    Return.  Buyer shall cause UDLP to provide Sellers a copy of any such
    proposed Tax Return governed by this Section 10(h)(iii) at least 30 days
    prior to the filing of such Tax Return, and Sellers may provide comments to
    UDLP, which comments shall be delivered within 15 days of receiving such
    proposed return from UDLP.  Comments shall be subject to the consent of
    UDLP which consent shall not be unreasonably withheld.  Any comments for
    which consent has been given or for which consent has been unreasonably
    withheld shall be incorporated into the Tax Returns to which they relate.

         (iv) With respect to any Income Tax Return of UDLP's Subsidiaries or
    any Tax Return of the Foreign Affiliates not described in (i) or (iii) that
    relates to a tax period ending on or before the Closing Date or a tax
    period which includes a Pre-Closing Partial Period, Buyer shall cause UDLP,
    its Subsidiaries or Foreign Affiliates to prepare such Tax Return in
    accordance with past practice and in consultation with Sellers.  Buyer
    shall cause UDLP, its Subsidiaries or its Foreign Affiliates to provide
    Sellers with a copy of any such proposed Tax Return governed by this
    Section 10(h)(iv) at least 30 days prior to the filing of such Tax Return,
    and Sellers may provide comments to UDLP, the Subsidiaries or the Foreign
    Affiliates which comments shall be delivered within 15 days of receiving
    such proposed Tax Return.  Comments shall be subject to the consent of UDLP
    which consent shall not unreasonably be withheld.  Any comments for which
    consent has been given or for which consent has been unreasonably withheld
    shall be incorporated into the Tax Returns to which they relate.

         (j)  COOPERATION AND EXCHANGE OF INFORMATION AND CONDUCT OF TAX
AUDITS.

         (i)  FMC shall prepare and submit to Buyer no later than three months
    after the Closing Date, 1997 blank tax return workpaper packages.  Buyer
    shall, and shall cause UDLP to, prepare completely and accurately and
    submit to Sellers within three months of receipt, all information as FMC
    shall reasonably request in such tax return workpaper packages.

         (ii) As soon as practicable, but in any event within 30 days after
    FMC's request, from and after the Closing Date, Buyer shall provide Sellers
    with such cooperation and shall deliver to Sellers such information and
    data concerning the pre-Closing operations of UDLP, the Subsidiaries and
    the Foreign Affiliates and make available such knowledgeable employees of
    UDLP, the Subsidiaries and the Foreign Affiliates as FMC may request,
    including providing the information and data required by Sellers' customary
    tax and accounting questionnaires, in order to enable Sellers to complete
    and file all Tax Returns which they may be required to file with respect to
    the income of UDLP through the Closing Date or to respond to audits by any
    taxing authorities with respect to the income of UDLP and to otherwise
    enable Sellers to satisfy their internal accounting, tax and other
    legitimate

                                         -55-


    requirements.  Such cooperation and information shall include without
    limitation provision of powers of attorney for the purpose of signing Tax
    Returns and defending audits and promptly forwarding copies of appropriate
    notices and forms of other communications received from or sent to any
    Taxing Authority which relate to UDLP, the Subsidiaries or the Foreign
    Affiliates, and providing copies of all relevant Tax Returns, together with
    accompanying schedules and related workpapers, documents relating to
    rulings or other determinations by any Taxing Authority and records
    concerning the ownership and tax basis of property, which Buyer, UDLP, the
    Subsidiaries or the Foreign Affiliates may possess.  Buyer and UDLP shall
    make their respective employees and facilities (and the employees and
    facilities of the Subsidiaries and the Foreign Affiliates) available on a
    mutually convenient basis to provide explanation of any documents or
    information provided hereunder.  Sellers shall provide similar cooperation
    to Buyer or UDLP on Buyer's or UDLP's request with respect to post-Closing
    Tax matters.

         (iii) For a period of ten (10) years after the Closing Date, Buyer
    shall, and shall cause UDLP, the Subsidiaries and the Foreign Affiliates
    to, retain all Tax Returns, books and records (including computer files)
    of, or with respect to the activities of, UDLP, the Subsidiaries, the
    Foreign Affiliates or the Business for all taxable periods ending on or
    prior to the Closing Date.  Thereafter, Buyer shall not dispose of any such
    Tax Returns, books or records unless it first offers in writing such Tax
    Returns, books and records to FMC and FMC fails to accept such offer within
    sixty (60) days of its being made.

         (iv) FMC shall continue to be the tax matters partner of UDLP as set
    forth in Section 10.8 of the Partnership Agreement between FMC and Harsco,
    dated as of January 1, 1994, for any taxable periods with respect to Income
    Taxes ending on or before the Closing Date.

         (k)  SECTION 754 ELECTION.  Sellers shall make a valid election under
Section 754 of the Code, and under any other similar state or local Tax Law, in
the applicable Tax Returns of UDLP to be filed by Sellers.  Buyer shall
reasonably cooperate with Sellers in making such elections.

         (l)  Notwithstanding anything in this agreement to the contrary, all
claims for indemnity with respect to Taxes of any Foreign Affiliate shall be
made solely under Section 10(b).

         (m)  DEFINITIONS.  For purposes of this Section 10, the following
terms shall have the meanings ascribed to them below:

         (i)  "CODE" means the Internal Revenue Code of 1986, as amended.

         (ii) "FOREIGN AFFILIATE CLOSING BALANCE SHEET" shall mean each Foreign
    Affiliate's balance sheet as of the Closing Date, stated in United States
    dollars and prepared in accordance with United States generally accepted
    accounting principles in a manner

                                         -56-


    consistent with such Foreign Affiliate's June 30, 1997 balance sheet.
    Copies of both Foreign Affiliates' June 30, 1997 balance sheets are
    attached as Exhibit 10(m).

         (iii) "INCOME TAXES" means federal, state, local, or foreign income or
    franchise Taxes or other Taxes imposed on or measured by income, together
    with interest or penalties imposed with respect thereto.

         (iv) "INCOME TAX RETURNS" means federal, state, local, or foreign Tax
    Returns required to be filed with any Taxing Authority with respect to
    Income Taxes.

         (v)  "IRS" means the U.S. Internal Revenue Service.

         (vi) "OTHER TAXES" means all Taxes which are not Income Taxes.


        (vii) "TAX" or "TAXES" means all federal, state, local, or foreign
    income, gross receipts, estimated, alternative minimum, add-on minimum,
    profits, sales, use, occupation, value added, ad valorem, transfer,
    registration, franchise, employee or other withholding, payroll,
    unemployment, excise, license, property, or other tax, of any kind
    whatsoever, together with any interest, penalties, or additions to tax
    imposed with respect thereto.

        (viii) "TAX LAWS" means the Code and any federal, state, local, or
    foreign laws relating to Taxes and any regulations or official
    administrative pronouncements released thereunder.

         (ix) "TAX RETURNS" means returns, amended returns, declarations,
    reports, claims for refund, information returns, or other documents
    (including any related or supporting schedules, statements, or information)
    filed or required to be filed in connection with the determination,
    assessment or collection of Taxes of any party or the administration of any
    laws, regulations, or administrative requirements relating to any Taxes.

         (x)  "TAXING AUTHORITY" means any governmental authority, domestic or
    foreign, having jurisdiction over the assessment, determination,
    collection, or other imposition of Tax.

         (xi) "UDLP'S SHARE" with respect to Taxes, Tax accruals and reserves,
    or Tax refunds of a Foreign Affiliate shall mean the product of (a) the
    amount of such Taxes, Tax accruals and reserves, or Tax refunds as the case
    may be and (b) the percentage of common equity interests in such Foreign
    Affiliate owned directly or indirectly by UDLP as of the Closing Date.

                                         -57-


         11.  INDEMNIFICATION.

         (a)  INDEMNIFICATION BY SELLERS.  Each Seller shall indemnify Buyer,
UDLP and their respective Affiliates and each of their respective officers,
directors and employees (collectively, "BUYER INDEMNIFIED PARTIES") and defend
and hold them harmless from any loss, liability, cost, damage or expense
(including reasonable legal fees and expenses) BUT EXCLUDING punitive damages
(except to the extent awarded to third parties as a result of a third party
claim) ("LOSSES") suffered or incurred by any such indemnified party to the
extent directly attributable to (i) any breach or inaccuracy of any
representation or warranty of Sellers contained in this Agreement or the
Ancillary Agreements as of the date hereof or as of the Closing Date (after
giving effect to the supplement to the Schedules permitted under Section 24
hereof), to the extent such Seller is a party thereto, (other than any
representation or warranty contained in Section 4C(n)), (ii) any breach of any
covenant of Sellers contained in this Agreement or the Ancillary Agreements, to
the extent such Seller is a party thereto, (iii) any Retained Liability and (iv)
except as provided in Section 8(h), any liability with respect to any employee
benefit plan (other than the Defense Segment Plan) sponsored, maintained or
contributed to by FMC or any ERISA Affiliate thereof (defined as any member of
the FMC controlled group of companies as defined in Section 414(b), (c), (m) or
(o) of the Code) other than UDLP and its Subsidiaries; PROVIDED HOWEVER, that
with respect to (A) any breach by FMC of any representation or warranty of FMC
contained in Section 4A and (B) any breach of FMC of any covenant contained in
Sections 5(c), 5(e) and 8(b), FMC only (and not Harsco) shall so indemnify
Buyer, its Affiliates and each of its officers, directors and employees, and,
with respect to (X) any breach by Harsco of any representation or warranty of
Harsco contained in Section 4B and (Y) any breach by Harsco of any covenant
contained in Section 5(c), 5(e) and 8(b), Harsco only (and not FMC), shall so
indemnify Buyer, its Affiliates and each of its officers, directors and
employees; PROVIDED, FURTHER, that Sellers shall not have any liability under
clause (i) above unless the aggregate of all Losses relating thereto for which
Sellers would, but for this proviso, be liable exceeds on a cumulative basis an
amount equal to $10,000,000, and then only to the extent of any such excess;
PROVIDED FURTHER, that Sellers shall not have any liability under clause (i)
above for any individual item where the Loss relating to such item is less than
$25,000 and such items shall not be aggregated for purposes of the first proviso
to this Section 11(a); and PROVIDED FURTHER, that Sellers' aggregate liability
under clause (i) above shall in no event exceed 10% of the Final Purchase Price.
In no event shall Sellers be liable for any Loss relating to environmental
matters pursuant to this Section 11.

         (b)  EXCLUSIVE REMEDY.  Except as otherwise expressly provided in
Sections 5(k), 8(f), 8(h), 10 and 23 and except as provided in any supplemental
agreement executed in connection herewith, each party acknowledges and agrees
that, from and after the Closing, its sole and exclusive remedy with respect to
any and all claims relating to the subject matter of this Agreement, the
Purchase and the Ancillary Agreements shall be pursuant to the indemnification
provisions set forth in this Section 11.  In furtherance of the foregoing, each
party hereby waives, from and after the Closing, to the fullest extent permitted
under applicable law, any and all rights, claims and causes of action it may
have against the other parties hereto relating to the subject matter of this
Agreement, the Purchase and the Ancillary Agreements arising under or based upon
any federal, state, local or foreign statute, law, ordinance, rule or regulation
or otherwise, PROVIDED, HOWEVER, that no party

                                         -58-


waives any tort claims it may have against any other party hereto for
intentional fraudulent misrepresentation; and PROVIDED FURTHER that nothing in
this Section 11(b) shall affect any rights or remedies that the Sellers may have
with respect to each other.

         (c)  INDEMNIFICATION BY BUYER.  Buyer shall indemnify Sellers, their
Affiliates and their respective officers, directors and employees (collectively,
"SELLER INDEMNIFIED PARTIES") against and hold them harmless from any Losses
suffered or incurred by any such indemnified party to the extent directly
attributable to (i) any breach or inaccuracy of any representation or warranty
of Buyer contained in this Agreement or the Ancillary Agreements as of the date
hereof or as of the Closing Date,(ii) any breach of any covenant of Buyer
contained in this Agreement or the Ancillary Agreements contemplated hereby,
(iii) any failure by Buyer or its Affiliates to comply with the provisions of
the Worker Adjustment Retraining and Notification Act of 1988, as amended, or
any similar state or local law or regulation, (iv) any discontinuance,
suspension or modification of any employee benefit plan maintained by Buyer or
UDLP as contemplated by Section 8(h) hereof, (v) subject to Buyer's rights under
Section 11(a), any liability, action, suit, claim or other proceeding which
arises directly or indirectly in connection with Buyer's financing or
refinancing of the Initial Purchase Price or Final Purchase Price, including as
a result of the use of the Financial Statements or other information provided
pursuant to Section 8(e) or otherwise in connection with any such financing or
refinancing or otherwise or (vi) except as otherwise expressly provided in this
Agreement and other than with respect to any Retained Liabilities, all
obligations and liabilities of whatever kind and nature, primary or secondary,
direct or indirect, absolute or contingent, known or unknown, whether or not
accrued, whether arising before, on or after the Closing Date (whether or not
asserted against either Seller in its capacity as a partner of UDLP or
otherwise), of any of UDLP, its Subsidiaries or the Foreign Affiliates,
including, without limitation, any such obligations or liabilities contained in
the Material Contracts or any agreement, lease, license, permit, plan or
commitment that, because it fails to meet the relevant threshold amount or term,
is not included within the definition of Material Contracts; PROVIDED HOWEVER,
that Buyer shall not have any liability under clause (i) above unless the
aggregate of all Losses relating thereto for which Buyer would, but for this
proviso, be liable exceeds on a cumulative basis an amount equal to $10,000,000
and then only to the extent of any such excess; and PROVIDED, FURTHER, that
Buyer shall not have any liability under clause (i) above for any individual
item where the Loss relating to such item is less than $25,000, and such items
shall not be aggregated for purposes of the first proviso to this Section 11(c).

         (d)  LOSSES NET OF INSURANCE AND TAX BENEFITS.  The amount of any and
all Losses indemnified under this Agreement shall be determined net of any
amounts recovered or recoverable by the indemnified party under insurance
policies, indemnities or other reimbursement arrangements with respect to such
Losses.  Each party hereby waives, to the extent permitted under its applicable
insurance policies, any subrogation rights that its insurer may have with
respect to any indemnifiable Losses.  The amount of any and all Losses
indemnified under this agreement shall be reduced by the present value (computed
using the mid-term applicable federal rate under Code Section 1274, as in effect
on the date hereof) of any Tax benefits realized and to be realized by the
indemnified party with respect to the Loss, and the amount of all Losses shall
be increased by the amount of all additional

                                         -59-


Taxes (if any) payable by an indemnified party in respect of any indemnification
payment made pursuant to this Agreement.  Any indemnity payment under this
Agreement shall be treated as an adjustment to the Final Purchase Price for tax
purposes.

         (e)  TERMINATION OF INDEMNIFICATION.  The obligations to indemnify and
hold harmless a party hereto with respect to any breach of a representation or
warranty of any party hereto contained in Section 4 or 6, shall terminate when
the applicable representation or warranty terminates pursuant to Section 15;
PROVIDED, HOWEVER, that such obligations to indemnify and hold harmless shall
not terminate with respect to any item as to which the person to be indemnified
or the related party thereto shall have, prior to the expiration of the
applicable period, previously made a claim by delivering a written notice
(stating in reasonable detail the nature of, and factual and legal basis for,
any such claim for indemnification, and the provisions of this Agreement upon
which such claim for indemnification is made) to the indemnifying party.  The
obligation to indemnify and hold harmless a party hereto pursuant to the other
provisions of Sections 11(a) and 11(c) shall not terminate.

         (f)  PROCEDURES RELATING TO INDEMNIFICATION.

         (i)  In the event that a party (the "INDEMNIFIED PARTY") is entitled
    to any indemnification provided for under this Agreement in respect of,
    arising out of or involving a claim or demand made by any person, firm,
    governmental authority or corporation against the indemnified party (a
    "THIRD PARTY CLAIM"), such indemnified party must notify the indemnifying
    party in writing, and in reasonable detail, of the Third Party Claim as
    promptly as reasonably possible after receipt by such indemnified party of
    notice of the Third Party Claim; PROVIDED, HOWEVER, that failure to give
    such notification on a timely basis shall not affect the indemnification
    provided hereunder except to the extent the indemnifying party shall have
    been actually prejudiced as a result of such failure; PROVIDED, FURTHER,
    that any notices to be delivered to Sellers collectively as the
    "indemnifying party" shall be delivered to FMC.  Thereafter, the
    indemnified party shall deliver to the indemnifying party, within five
    business days after the indemnified party's receipt thereof, copies of all
    notices and documents (including court papers) received by the indemnified
    party relating to the Third Party Claim.

         (ii) If a Third Party Claim is made against an indemnified party, the
    indemnifying party (FMC if on behalf of Sellers collectively or FMC solely,
    or Harsco on behalf of Harsco solely) shall be entitled to participate in
    the defense thereof and, if it so chooses and acknowledges its obligation
    to indemnify the indemnified party therefor, to assume the defense thereof
    with counsel selected by the indemnifying party (FMC if on behalf of
    Sellers collectively or FMC solely, or Harsco on behalf of Harsco solely)
    and reasonably satisfactory to the indemnified party.  Notwithstanding any
    acknowledgment made pursuant to the immediately preceding sentence, the
    indemnifying party shall continue to be entitled to assert any limitation
    on its indemnification responsibility contained in the provisos to Section
    11(a) or Section 11(c), as the case may be.  Should the indemnifying party
    so elect to assume the

                                         -60-


    defense of a Third Party Claim, the indemnifying party shall not be liable
    to the indemnified party for legal expenses subsequently incurred by the
    indemnified party in connection with the defense thereof.  If the
    indemnifying party assumes such defense, the indemnified party shall have
    the right to participate in the defense thereof and to employ counsel, at
    its own expense, separate from the counsel employed by the indemnifying
    party, it being understood, however, that the indemnifying party (FMC if on
    behalf of Sellers collectively or FMC solely, or Harsco on behalf of Harsco
    solely) shall control such defense; PROVIDED, HOWEVER, that the
    indemnifying party shall not be permitted to settle or compromise such
    Third Party Claim without the written consent of each indemnified party
    subject to such Third Party Claim (which consent shall not be unreasonably
    withheld) unless (i) the indemnifying party shall pay or cause to be paid
    all amounts arising out of such settlement concurrently with the
    effectiveness thereof, (ii) such settlement is conditioned upon the full
    and complete release of each indemnified party with respect to such Third
    Party Claim and (iii) such settlement shall not restrict the business or
    operations of any indemnified party in any material respect.  The
    indemnifying party shall be liable for the fees and expenses of counsel
    employed by the indemnified party for any period during which the
    indemnifying party has not assumed the defense thereof.  If the
    indemnifying party chooses to defend any Third Party Claim, all  parties
    hereto shall cooperate in the defense or prosecution of such Third Party
    Claim.  Such cooperation shall include the retention and (upon the
    indemnifying party's request (FMC if on behalf of Sellers collectively or
    FMC solely, or Harsco on behalf of Harsco solely)) the provision to the
    indemnifying party of records and information which are reasonably relevant
    to such Third Party Claim, and making employees available on a mutually
    convenient basis to provide additional information and explanation of any
    material provided hereunder.  In the event that the indemnifying party
    shall have assumed the defense of a Third Party Claim, the indemnified
    party shall not admit any liability with respect to, or settle, compromise
    or discharge, such Third Party Claim without the indemnifying party's
    (FMC's if on behalf of Sellers collectively or FMC solely, Harsco's if on
    behalf of Harsco solely) prior written consent (which consent shall not be
    unreasonably withheld).  If the applicable indemnifying party does not
    assume the defense of a Third Party Claim, the applicable indemnified
    parties may defend against such claim in any reasonable manner as such
    indemnified parties may deem appropriate, including settling such Third
    Party Claim on such terms as such indemnified parties may deem appropriate
    without the consent of any indemnifying party.

         12.  ASSIGNMENT.  Except as set forth below, this Agreement and any
rights and obligations hereunder shall not be assignable or transferable by
Buyer or any Seller without the prior written consent of the other parties and
any purported assignment without such consent shall be void and without effect;
PROVIDED, HOWEVER, that, without the consent of Sellers, (i) Buyer may assign
its right to purchase the Interests hereunder to one or more wholly-owned
subsidiaries of Buyer upon written notice of such assignment to FMC (it being
understood, however, that no such assignment shall limit or otherwise affect
Buyer's obligations hereunder), (ii) Buyer may collaterally assign its rights
under this agreement as security for its obligations to any third party
providing financing in connection with the transactions contemplated hereby and
(iii) after Closing, Buyer may assign its rights under this Agreement to any
person who, directly or indirectly, acquires 50% or more of the

                                         -61-



capital stock of Buyer (by merger, sale of stock or otherwise) or the Interests
or acquires all or any substantial portion of the assets of UDLP (it being
understood that if more than 10% of such person's annual revenues for the latest
fiscal year ended prior to such acquisition were derived from the defense
business, then all of the representations and warranties contained in this
Agreement and the Ancillary Agreements (other than any representation and
warranty contained in Sections 4C(k), 4C(l), 4C(n) and 8(f) of this Agreement)
shall immediately terminate as of the date of such acquisition).

         13.  NO THIRD-PARTY BENEFICIARIES.  This Agreement is for the sole
benefit of the parties hereto and their permitted assigns and nothing herein
express or implied (including Sections 8(f), 8(h) and 11) shall give or be
construed to give to any person or entity, other than the parties hereto and
such permitted assigns, any legal or equitable rights hereunder.

         14.  TERMINATION.

         (a)  Anything contained herein to the contrary notwithstanding, this
Agreement may be terminated and the transactions contemplated hereby abandoned
at any time prior to the Closing Date:

         (i)  by the mutual written consent of Sellers and Buyer;

         (ii) by either Seller if any of the conditions set forth in
    Section 3(b) shall have become incapable of fulfillment, and shall not have
    been waived by Seller;

        (iii) by Buyer if any of the conditions set forth in Section 3(a) shall
    have become incapable of fulfillment, and shall not have been waived by
    Buyer; or

         (iv) by either Seller if the Closing does not occur on or prior to
    November 25, 1997; or

         (v)  by Buyer if the Closing does not occur on or prior to November
    25, 1997;

PROVIDED, HOWEVER, that the party seeking termination pursuant to clause (ii),
(iii), (iv) or (v) above is not in breach of any of its representations,
warranties, covenants or agreements contained in this Agreement.

         (b)  In the event of termination by Sellers or Buyer pursuant to this
Section 14, written notice thereof shall forthwith be given to the other party
and the transactions contemplated by this Agreement shall be terminated, without
further action by any party.  If the transactions contemplated by this Agreement
are terminated as provided herein:

         (i)  Buyer shall return all documents and copies and other materials
    received from or on behalf of each Seller relating to the transactions
    contemplated hereby, whether so

                                         -62-


    obtained before or after the execution hereof, to such Seller or shall
    destroy all such documents, copies and materials and provide written
    certification of such destruction to such Seller; and

         (ii) all confidential information received by Buyer with respect to
    UDLP, the Subsidiaries, the Foreign Affiliates and the Business shall be
    treated in accordance with the Diligence Confidentiality Agreement, which
    shall remain in full force and effect notwithstanding the termination of
    this Agreement.

         (c)  If this Agreement is terminated and the transactions contemplated
hereby are abandoned as described in this Section 14, this Agreement shall
become void and of no further force and effect, except for the provisions of (i)
Section 5(a) relating to indemnification in connection with access to the
Property, (ii) Section 7(a) relating to the obligation of Buyer to keep
confidential certain information and data obtained by it, (iii) Section 8(b)
relating to publicity, (iv) Section 16 relating to certain expenses, (v)
Section 23 relating to finder's fees and broker's fees, and (vi) this
Section 14.  Nothing in this Section 14 shall be deemed to release any party
from any liability for any breach by such party of the terms and provisions of
this Agreement or to impair the right of any party to compel specific
performance by another party of its obligations under this Agreement.

         15.  SURVIVAL OF REPRESENTATIONS.  The representations and warranties
in this Agreement and in any other document delivered in connection herewith
shall survive the Closing solely for purposes of Sections 11(a) and 11(c) and
shall terminate at the close of business on April 30, 1999; PROVIDED, HOWEVER,
that (i) the representations and warranties set forth in Section 4C(l) and
Section 4C(k) (to the extent relating to the applicable statutes) shall survive
the Closing until 90 days after the expiration of the applicable statute of
limitations and (ii) the representations and warranties set forth in Sections
4A, 4B, 4C(a)(i) and 4C(b) shall survive the Closing without limitation.

         16.  EXPENSES.  Whether or not the transactions contemplated hereby
are consummated, and except as otherwise specifically provided in this
Agreement, all costs and expenses incurred in connection with this Agreement and
the transactions contemplated hereby shall be paid by the party incurring such
costs or expenses.

         17.  AMENDMENT AND WAIVER.  This Agreement may be amended, or any
provision of this Agreement may be waived; PROVIDED, HOWEVER, that any such
amendment or waiver shall be binding upon a Seller only if set forth in a
writing executed by such Seller and referring specifically to the provision
alleged to have been amended or waived, and any such amendment or waiver shall
be binding upon Buyer only if set forth in a writing executed by Buyer and
referring specifically to the provision alleged to have been amended or waived.
No course of dealing between or among any persons having any interest in this
Agreement shall be deemed effective to modify, amend or discharge any part of
this Agreement or any rights or obligations of any person under or by reason of
this Agreement.

                                         -63-


         18.  NOTICES.  All notices or other communications required or
permitted to be given hereunder shall be in writing and shall be delivered by
hand or sent by prepaid telex, cable or telecopy, or sent, postage prepaid, by
registered, certified or express mail, or reputable overnight courier service
and shall be deemed given when so delivered by hand, telexed, cabled or
telecopied, or if mailed, three days after mailing (one business day in the case
of express mail or overnight courier service), as follows:

         (i)  IF TO BUYER,

              Iron Horse Acquisition Corp.
              c/o TC Group, L.L.C.
              1001 Pennsylvania Avenue, N.W.
              Suite 220 South
              Washington, D.C. 20004
              Telecopy No.:  202-347-9250
              Attention:  Allan M. Holt

              WITH A COPY TO:

              Latham & Watkins
              1001 Pennsylvania Avenue, N.W.
              Suite 1300
              Washington, D.C. 20004
              Telecopy No.:  202-637-2201
              Attention:  Bruce E. Rosenblum

         (ii) IF TO FMC,

              FMC Corporation
              200 East Randolph Drive
              Chicago, Illinois  60601
              Telecopy No.:  (312) 861-6012
              Attention:     J. Paul McGrath

              WITH A COPY TO:

              Kirkland & Ellis
              200 East Randolph Drive
              Chicago, Illinois  60601
              Telecopy No.:  (312) 861-2200
              Attention:     Glen E. Hess, P.C.

                                         -64-


        (iii) IF TO HARSCO,

              Harsco Corporation
              350 Poplar Church Road
              Camp Hill, PA  17011
              Telecopy No.:  (717) 763-6402
              Attention:     Paul C. Coppock

              WITH A COPY TO:

              Morgan, Lewis & Bockius
              1800 M Street, N.W.
              Washington, D.C. 20036
              Telecopy No.: (202) 467-7176
              Attention:   Lloyd H. Feller

         19.  INTERPRETATION.  The headings and captions contained in this
Agreement, in any Exhibit or Schedule hereto and in the table of contents to
this Agreement are for reference purposes only and shall not affect in any way
the meaning or interpretation of this Agreement.  Any capitalized terms used in
any Schedule or Exhibit and not otherwise defined therein shall have the
meanings set forth in this Agreement.  The use of the word "including" herein
shall mean "including without limitation."

         20.  NO STRICT CONSTRUCTION. Notwithstanding the fact that this
Agreement has been drafted or prepared by one of the parties, each of Buyer and
Sellers confirms that each of them and their respective counsel have reviewed,
negotiated and adopted this Agreement as the joint agreement and understanding
of the parties, and the language used in this Agreement shall be deemed to be
the language chosen by the parties hereto to express their mutual intent, and no
rule of strict construction shall be applied against any person.

         21.  COUNTERPARTS.  This Agreement may be executed in one or more
counterparts (including by means of telecopied signature pages), all of which
shall be considered one and the same agreement, and shall become effective when
one or more such counterparts have been signed by each of the parties and
delivered to the other party.

         22.  ENTIRE AGREEMENT.  This Agreement and the other agreements
referred to herein (including the Diligence Confidentiality Agreement) or
executed among all of the parties in connection herewith contain the entire
agreement and understanding between the parties hereto with respect to the
subject matter hereof and supersede all prior agreements and understandings,
whether written or oral, relating to such subject matter.


         23.  BROKERAGE.  Buyer has not used a broker or finder in connection
with the transactions contemplated by this Agreement, and there are no claims
for brokerage commissions,

                                         -65-


finders' fees or similar compensation in connection with the transactions
contemplated by this Agreement based on any arrangement or agreement by or on
behalf of Buyer, except pursuant to an arrangement with Lehman Brothers, Inc.
for which Buyer is solely responsible.  No Seller has retained any broker or
finder or incurred any liability or obligation for any brokerage fees,
commissions or finder's fees with respect to this Agreement or the transactions
contemplated hereby, except pursuant to arrangements with Morgan Stanley & Co.
Incorporated (for which FMC is responsible) and Salomon Brothers Inc (for which
Harsco is responsible).  Notwithstanding anything to the contrary in Section 11,
Buyer shall indemnify and hold Sellers harmless for any breach of its
representation in this Section 23, and Sellers shall indemnify and hold Buyer
harmless for any breach of their representation in this Section 23.

         24.  SCHEDULES.  The Schedules hereto are qualified in their entirety
by reference to the specific provisions of the Agreement and are not intended to
constitute, and shall not be construed as constituting, representations or
warranties of Sellers, except as and to the extent provided in the Agreement.
Inclusion of information in the Schedules hereto shall not be construed as an
admission that such information is material to any of Sellers, the Interests,
the Business and/or UDLP or its Subsidiaries or Foreign Affiliates.  Matters
reflected in the following Schedules are not necessarily limited to matters
required by the Agreement to be reflected in the Schedules.  Such additional
matters are set forth for informational purposes only and do not necessarily
include other matters of a similar nature.  Prior to the Closing, Sellers shall
have the right to supplement, modify or update the Schedules hereto to reflect
changes occurring between the date of this Agreement and the Closing; PROVIDED,
HOWEVER, that any such supplements, modifications or updates shall be subject to
Buyer's rights under Section 3(a)(i).  Matters disclosed in any Schedule shall
be deemed to be disclosed in all Schedules in which such matters are appropriate
to be disclosed.  Headings have been inserted on Sections of the Schedules for
convenience of reference only and shall to no extent have the effect of amending
or changing the express description of the Sections as set forth in the
Agreement.

         25.  REPRESENTATION BY COUNSEL; INTERPRETATION.  Sellers and Buyer
acknowledge that each of them has been represented by counsel in connection with
this Agreement and the transactions contemplated hereby.  Accordingly, any rule
of law or any legal decision that would require interpretation of any claimed
ambiguities in this Agreement against the party that drafted it has no
application and is expressly waived.

         26.  SEVERABILITY.  Whenever possible, each provision of this
Agreement shall be interpreted in such manner as to be valid and effective under
applicable law, but if any provision of this Agreement or the application of any
such provision to any person or circumstance shall be held invalid, illegal or
unenforceable in any respect by a court of competent jurisdiction, such
invalidity, illegality or unenforceability shall not affect any other provision
hereof.

         27.  GOVERNING LAW.  This Agreement shall be governed by and construed
in accordance with the internal laws of the State of Illinois applicable to
agreements made and to be

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performed entirely within such State, without regard to the conflicts of law
principles of such State, except to the extent otherwise provided on SCHEDULE
29(b) hereto.

         28.  EXHIBITS AND SCHEDULES.  All Exhibits and Schedules annexed
hereto or referred to herein are hereby incorporated in and made a part of this
Agreement as if set forth in full herein.

         29.  DISPUTE RESOLUTION.

         (a)  NEGOTIATION.  In the event of any dispute or disagreement between
Sellers and Buyer as to the interpretation of any provision of this Agreement or
any Ancillary Agreement (or the performance of obligations hereunder or
thereunder), the matter, upon written request of any Seller or Buyer, shall be
referred to representatives of the parties for decision, each party being
represented by a senior executive officer (the "REPRESENTATIVES").  The
Representatives shall promptly meet in a good faith effort to resolve the
dispute.  If the Representatives do not agree upon a decision within thirty (30)
calendar days after reference of the matter to them, each of Buyer and Sellers
shall be free to exercise the remedies available to them under Section 29(b).

         (b)  ARBITRATION.  Any controversy, dispute or claim arising out of or
relating in any way to this Agreement or the Ancillary Agreements or the
transactions arising hereunder or thereunder that cannot be resolved by
negotiation pursuant to Section 29(a), including any controversy, dispute or
claim relating to any alleged breach or violation hereof or thereof by a party
hereto, or the scope, interpretation, validity or termination hereof or thereof,
shall, except as otherwise provided in Section 2(b), be settled exclusively by
arbitration in accordance with and subject to the principles and provisions set
forth on SCHEDULE 29(b) attached hereto.

                             *    *    *    *    *

                                         -67-



         IN WITNESS WHEREOF, the parties have caused this Agreement to be duly
executed as of the date first written above.


                                  FMC CORPORATION

                                  By:  /s/ J. Paul McGrath
                                       ------------------------------
                                       Name:  J. Paul McGrath
                                       Title: Senior Vice President


                                  HARSCO CORPORATION

                                  By:  /s/ Leonard A. Campanaro
                                       ------------------------------
                                       Name:  Leonard A. Campanaro
                                       Title: Sr. Vice President & CFO



                                  HARSCO UDLP CORPORATION

                                  By:  /s/ Leonard A. Campanaro
                                       ------------------------------
                                       Name:  Leonard A. Campanaro
                                       Title: Treasurer


                                  IRON HORSE ACQUISITION CORP.

                                  By:  /s/ Allan M. Holt
                                       ------------------------------
                                       Name:  Allan M. Holt
                                       Title: President


                                         -68-



                                   LIST OF EXHIBITS

Exhibit 2(a)(i)    -    Form of Opinion of Buyer's Counsel
Exhibit 2(a)(ii)   -    Form of Opinion of Each Seller's Counsel
Exhibit 6(c)       -    Escrow Agreement
Exhibit 8(k)       -    Transition Services Agreement
Exhibit 8(l)       -    Technology and Environmental Services Agreement
Exhibit 8(m)       -    Lease
Exhibit 8(n)-1     -    FMC Intellectual Property Agreement
Exhibit 8(n)-2     -    Harsco Intellectual Property Agreement
Exhibit 10m        -    Foreign Affiliates' June 30, 1997 Balance Sheets

                                         -69-



                                  LIST OF SCHEDULES


Schedule 2(b)      -    Adjustment Principles
Schedule 3(a)(v)   -    Material Adverse Changes
Schedule 4C(a)(ii) -    Certain Conflicts
Schedule 4C(b)     -    Purchase Rights
Schedule 4C(c)-1   -    Subsidiaries
Schedule 4C(c)-2   -    Foreign Affiliates
Schedule 4C(d)     -    Financial Statements
Schedule 4C(e)     -    Permitted Liens
Schedule 4C(f)-1   -    Owned Real Property
Schedule 4C(f)-2   -    Leased Real Property
Schedule 4C(g)     -    Intellectual Property and Intellectual Property
                        Exceptions
Schedule 4C(h)     -    Material Contracts
Schedule 4C(i)     -    Litigation
Schedule 4C(j)     -    Compliance with Laws
Schedule 4C(k)     -    ERISA Exceptions
Schedule 4C(k)-1   -    UDLP Employee Benefit Plans
Schedule 4C(k)-2   -    FMC Employee Benefit Plans
Schedule 4C(l)     -    Taxes
Schedule 4C(m)     -    Insurance Policies
Schedule 4C(n)     -    Environmental Compliance
Schedule 4C(o)     -    Undisclosed Liabilities
Schedule 4C(p)     -    Subsequent Events
Schedule 4C(q)     -    Government Contracts
Schedule 4C(r)     -    Labor Relations
Schedule 4C(u)-1   -    Loss Contracts
Schedule 4C(u)-2   -    Backlog
Schedule 4C(v)     -    Customers, Distributors and Suppliers
Schedule 4C(w)     -    Dividends by Foreign Affiliates
Schedule 5(b)      -    Permitted Conduct
Schedule 5(e)      -    Employees Not To Be Solicited
Schedule 5(g)      -    FMC Resource Transfer
Schedule 6(c)      -    Commitment Letters
Schedule 7(e)      -    Guaranties
Schedule 7(f)      -    Retained Assets and Liabilities
Schedule 8(f)(ii)  -    Remediation Reports
Schedule 8(h)(i)   -    Transferred Employees
Schedule 8(h)(iii) -    Actuarial Assumptions and Methods
Schedule 8(h)(v)   -    UDLP Severance Plan
Schedule 8(h)(xii) -    Incentive Payments and Severance Payments
Schedule 29(b)     -    Arbitration Principles

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