INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 3.60% SENIOR DEBENTURES DUE 2029 UNDERWRITING AGREEMENT Dated: March 25, 2019Interstate Power and Light Company • April 1st, 2019 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledApril 1st, 2019 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Barclays Capital Inc. (“Barclays”), J.P. Morgan Securities LLC (“J.P. Morgan”) and Mizuho Securities USA LLC (“Mizuho”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Barclays, J.P. Morgan and Mizuho 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 $300,000,000 aggregate principal amount of the Company’s 3.60% Senior Debentures due 2029 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New Yo
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 4.100% SENIOR DEBENTURES DUE 2028 UNDERWRITING AGREEMENT Dated: September 19, 2018Interstate Power and Light Company • September 26th, 2018 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledSeptember 26th, 2018 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Goldman Sachs & Co. LLC (“Goldman”), MUFG Securities Americas Inc. (“MUFG”) and Wells Fargo Securities, LLC (“Wells Fargo”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Goldman, MUFG and Wells Fargo 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 $500,000,000 aggregate principal amount of the Company’s 4.100% Senior Debentures due 2028 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 3.25% SENIOR DEBENTURES DUE 2024 UNDERWRITING AGREEMENT Dated: November 9, 2017Interstate Power and Light Company • November 15th, 2017 • Alliant Energy Corp • Electric & other services combined • New York
Contract Type FiledNovember 15th, 2017 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with BNY Mellon Capital Markets, LLC (“BNY Mellon Capital Markets”), Mizuho Securities USA LLC (“Mizuho”) and Wells Fargo Securities, LLC (“Wells Fargo”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom BNY Mellon Capital Markets, Mizuho and Wells Fargo 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 3.25% Senior Debentures due 2024 (the “Securities”) in a reopening of the existing series of previously issued and outstanding 3.25% Senior Debentures due
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 3.70% SENIOR DEBENTURES DUE 2046 UNDERWRITING AGREEMENT Dated: September 12, 2016Interstate Power and Light Company • September 15th, 2016 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledSeptember 15th, 2016 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Barclays Capital Inc. (“Barclays”), J.P. Morgan Securities LLC (“J.P. Morgan”) and KeyBanc Capital Markets Inc. (“KeyBanc”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Barclays, J.P. Morgan and KeyBanc 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 $300,000,000 aggregate principal amount of the Company’s 3.70% Senior Debentures due 2046 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of N
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 3.400% SENIOR DEBENTURES DUE 2025 UNDERWRITING AGREEMENT Dated: August 13, 2015Interstate Power and Light Company • August 18th, 2015 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledAugust 18th, 2015 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Wells Fargo Securities, LLC (“Wells Fargo”), Mitsubishi UFJ Securities (USA), Inc. (“Mitsubishi”) and Mizuho Securities USA Inc. (“Mizuho”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Wells Fargo, Mitsubishi and Mizuho 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 3.400% Senior Debentures due 2025 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 3.25% SENIOR DEBENTURES DUE 2024 UNDERWRITING AGREEMENT Dated: November 17, 2014Interstate Power and Light Company • November 24th, 2014 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledNovember 24th, 2014 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Barclays Capital Inc. (“Barclays”), BNY Mellon Capital Markets, LLC (“BNY Mellon”) and Goldman, Sachs & Co. (“Goldman”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Barclays, BNY Mellon and Goldman 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 3.25% Senior Debentures due 2024 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New Yo
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 4.700% SENIOR DEBENTURES DUE 2043 UNDERWRITING AGREEMENT Dated: October 3, 2013Interstate Power and Light Company • October 8th, 2013 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledOctober 8th, 2013 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Goldman, Sachs & Co. (“Goldman”), Mitsubishi UFJ Securities (USA), Inc. (“Mitsubishi”) and RBS Securities Inc. (“RBS”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Goldman, Mitsubishi and RBS 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 4.700% Senior Debentures due 2043 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New York Me
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 5.100% SERIES D CUMULATIVE PERPETUAL PREFERRED STOCK (Liquidation Amount $25 Per Share) UNDERWRITING AGREEMENT Dated: March 14, 2013Interstate Power and Light Company • March 20th, 2013 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledMarch 20th, 2013 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement (the “Agreement”) with Barclays Capital Inc. (“Barclays”), J.P. Morgan Securities LLC (“J.P. Morgan”), Robert W. Baird & Co. Incorporated (“Baird”) and Wells Fargo Securities, LLC (“Wells Fargo Securities”), and each of the other underwriters named on Schedule A hereto (collectively, the “Underwriters”, which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Barclays, J.P. Morgan, Baird and Wells Fargo Securities 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 8,000,000 shares of the Company’s 5.100% Series D Cumulative Perpetual Preferred Stock, par value $0.01 per share, with a liquidation preference of $25 per share (the “Sec
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 6.25% SENIOR DEBENTURES DUE 2039 PURCHASE AGREEMENT Dated: July 7, 2009Interstate Power and Light Company • July 8th, 2009 • Interstate Power & Light Co • Electric & other services combined • New York
Contract Type FiledJuly 8th, 2009 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement with Banc of America Securities LLC (“BOA”) and Wells Fargo Securities, LLC (“Wells Fargo”), 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 BOA and Wells Fargo 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 $300,000,000 aggregate principal amount of the Company’s 6.25% Senior Debentures due 2039 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New York Mellon Trust Company, N.A. (f/k/a J.P. Morgan Trust Company,
INTERSTATE POWER AND LIGHT COMPANY (an Iowa corporation) 7.25% SENIOR DEBENTURES DUE 2018 PURCHASE AGREEMENT Dated: October 1, 2008Interstate Power and Light Company • October 2nd, 2008 • Alliant Energy Corp • Electric & other services combined • New York
Contract Type FiledOctober 2nd, 2008 Company Industry JurisdictionInterstate Power and Light Company, an Iowa corporation (the “Company”), confirms its agreement with Barclays Capital Inc. (“Barclays”), Citigroup Global Markets Inc. (“Citi”) and J.P. Morgan Securities Inc. (“J.P. Morgan”), 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 Barclays, Citi and J.P. Morgan 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 7.25% Senior Debentures due 2018 (the “Securities”). The Securities will be issued pursuant to an indenture dated as of August 20, 2003 (the “Base Indenture”) between the Company and The Bank of New York Mellon Trust C