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):    September 21, 2015


Commission
File Number
Name of Registrant, State of Incorporation, Address of Principal Executive Offices and Telephone Number
IRS Employer
Identification Number
 
 
 
1-9894
Alliant Energy Corporation
(a Wisconsin corporation)
4902 N. Biltmore Lane
Madison, Wisconsin 53718
Telephone (608) 458-3311
39-1380265
1-4117
Interstate Power and Light Company
(an Iowa corporation)
Alliant Energy Tower
Cedar Rapids, Iowa 52401
Telephone (319) 786-4411
42-0331370
0-337
Wisconsin Power and Light Company
(a Wisconsin corporation)
4902 N. Biltmore Lane
Madison, Wisconsin 53718
Telephone (608) 458-3311
39-0714890

This combined Form 8-K is separately filed by Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company.
_______________________

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 5.02.
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

(b)    On September 21, 2015, Ann K. Newhall informed the Chairman of the Boards of Directors (the “Boards”) of Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company that she will resign from the Boards of each of the companies effective September 24, 2015.





SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company have each duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
 
ALLIANT ENERGY CORPORATION
 
 
Date: September 24, 2015
By:/s/ James H. Gallegos
 
James H. Gallegos
 
Senior Vice President, General Counsel & Corporate Secretary


 
INTERSTATE POWER AND LIGHT COMPANY
 
 
Date: September 24, 2015
By:/s/ James H. Gallegos
 
James H. Gallegos
 
Senior Vice President, General Counsel & Corporate Secretary


 
WISCONSIN POWER AND LIGHT COMPANY
 
 
Date: September 24, 2015
By:/s/ James H. Gallegos
 
James H. Gallegos
 
Senior Vice President, General Counsel & Corporate Secretary