Form 8-K

INTERSTATE POWER AND LIGHT COMPANY

Date: May 20, 2010

/s/ William D. Harvey

William D. Harvey

Chairman and Chief Executive Officer

8-K 1 d8k.htm FORM 8-K Form 8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 20, 2010

Commission

File Number

Name of Registrant, State of Incorporation, Address of

Principal Executive Offices and Telephone Number

IRS Employer

Identification Number

0-4117-1

Interstate Power and Light Company

(an Iowa corporation)

Alliant Energy Tower

Cedar Rapids, Iowa 52401

Telephone (319) 786-4411

42-0331370

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.07.

Submission of Matters to a Vote of Security Holders.

The final results of voting on each of the matters submitted to a vote of shareowners of Interstate Power and Light Company (“IPL”) by written consent action on May 20, 2010 in lieu of annual meeting of shareowners are as follows. Alliant Energy Corporation voted all of the 13,370,788 outstanding shares of common stock of IPL in favor of and approved (1) the election of Michael L. Bennett, Darryl B. Hazel, David A. Perdue and Judith D. Pyle as directors for terms expiring in 2013 and (2) the ratification of the appointment of Deloitte & Touche LLP as IPL’s independent registered public accounting firm for 2010. There were no votes withheld, abstentions or broker-non-votes with respect to these matters.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Interstate Power and Light Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.