Alliant Energy Corp. Business Contract

Alliant Energy Corp.

• Executive Severance Agreement - Alliant Energy Corp. (Jan 08, 2012)
• Five-Year Credit Agreement - Alliant Energy Corp. (Jan 08, 2012)
• Opinion Letter - In-house Counsel - S-3 Registered Securities - Alliant Energy Corp. (Jan 08, 2012)
• Opinion Letter on S-3 Registered Securities - Alliant Energy Corp. (Jan 08, 2012)