Amendment to Alcoa Stock Acquisition Plan – Alcoa

AMENDMENT TO THE

ALCOA STOCK ACQUISITION PLAN

Pursuant to Section 7.1, which provides that the Plan may be amended, the
Plan is revised as follows:

ARTICLE IX : CLAIMS AND APPEALS

9.1 If a claim by a Participant or Beneficiary is denied, in whole or in
part, the Participant or Beneficiary, or their representative will receive
written notice from the plan administrator. This notice will include the reasons
for denial, the specific plan provision involved, an explanation of how claims
are reviewed, the procedure for requesting a review of the denied claim, and a
description of the information that must be submitted with the appeal. The
Participant or Beneficiary, or their representative, may file a written appeal
for review of a denied claim to the Committee. The process and the time frames
for the determination claims and appeals are as follows:

(a) The plan administrator reviews initial claim and makes determination
within 90 days of the date the claim is received.

(b) The plan administrator may extend the above 90-day period an additional
90 days if required due to special circumstances beyond control of plan
administrator.

(c) The Participant or Beneficiary, or their representative, may submit an
appeal of a denied claim within 60 days of receipt of the denial.

(d) The plan administrator reviews and makes a determination on the appeal
within 60 days of the date the appeal was received.

(e) The plan administrator may extend the above 60-day period an additional
60 days if required by special circumstances beyond the control of the plan
administrator.

9.2 In the case where the plan administrator requires an extension of the
period to provide a determination on an initial claim or an appeal, the Plan
will notify the Participant or Beneficiary, or their representative, prior to
the expiration of the initial determination period. The notification will
describe the circumstances requiring the extension and the date a determination
is expected to be made. If additional information is required from the
Participant or Beneficiary, the determination period will be suspended until the
earlier of i) the date the information is received by the plan administrator or
ii) 45 days from the date the information was requested.

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9.3 Participants or Beneficiaries, or their representative, who having
received an adverse appeal determination and thereby exhausted the remedies
provided under the this Plan, proceed to file suit in state or federal court,
must file such suit within 180 days from the date of the adverse appeal
determination notice.