WISCONSIN POWER AND LIGHT COMPANY (a Wisconsin corporation) 2.25% DEBENTURES DUE 2022 UNDERWRITING AGREEMENT Dated: November 14, 2012Underwriting Agreement • November 19th, 2012 • Alliant Energy Corp • Electric & other services combined • New York
Contract Type FiledNovember 19th, 2012 Company Industry JurisdictionWisconsin Power and Light Company, a Wisconsin corporation (the “Company”), confirms its agreement with Citigroup Global Markets Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated and Mitsubishi UFJ Securities (USA), Inc., and each of the other underwriters named in Schedule A hereto (collectively, the “Underwriters,” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Citigroup Global Markets Inc., Merrill Lynch, Pierce, Fenner & Smith Incorporated and Mitsubishi UFJ Securities (USA), Inc. are acting as representatives (in such capacity, the “Representatives”), with respect to the issue and sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of the respective principal amounts set forth on Schedule A of $250,000,000 aggregate principal amount of the Company’s 2.25% Debentures due 2022 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of June 20,