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EX-99.1 - EXHIBIT 99.1 - ALLIANT ENERGY CORPlnt022220188-kexh991.htm
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) February 22, 2018

Commission
Name of Registrant, State of Incorporation,
IRS Employer
File Number
Address of Principal Executive Offices and Telephone Number
Identification Number
1-9894
ALLIANT ENERGY CORPORATION
39-1380265
 
(a Wisconsin corporation)
 
 
4902 N. Biltmore Lane
 
 
Madison, Wisconsin 53718
 
 
Telephone (608)458-3311
 
 
 
 
1-4117
INTERSTATE POWER AND LIGHT COMPANY
42-0331370
 
(an Iowa corporation)
 
 
Alliant Energy Tower
 
 
Cedar Rapids, Iowa 52401
 
 
Telephone (319)786-4411
 
 
 
 
0-337
WISCONSIN POWER AND LIGHT COMPANY
39-0714890
 
(a Wisconsin corporation)
 
 
4902 N. Biltmore Lane
 
 
Madison, Wisconsin 53718
 
 
Telephone (608)458-3311
 
 
(Former name or former address, if changed since last report.)

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.




Item 2.02 Results of Operations and Financial Condition.

On February 22, 2018, Alliant Energy Corporation issued a press release announcing its financial results for the fourth quarter and year ended December 31, 2017. A copy of such press release is furnished as Exhibit 99.1 and is incorporated by reference herein.

Item 9.01 Financial Statements and Exhibits.

(a)
Not applicable.
(b)
Not applicable.
(c)
Not applicable.
(d)
Exhibits. The following exhibit is being furnished herewith:

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

ALLIANT ENERGY CORPORATION

Date: February 22, 2018
By:/s/ Benjamin M. Bilitz
 
Benjamin M. Bilitz
 
Chief Accounting Officer and Controller


INTERSTATE POWER AND LIGHT COMPANY

Date: February 22, 2018
By:/s/ Benjamin M. Bilitz
 
Benjamin M. Bilitz
 
Chief Accounting Officer and Controller


WISCONSIN POWER AND LIGHT COMPANY

Date: February 22, 2018
By:/s/ Benjamin M. Bilitz
 
Benjamin M. Bilitz
 
Chief Accounting Officer and Controller