As filed with the Securities and Exchange Commission on January 16, 2009

Registration No. 333-112823

 

 

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

POST–EFFECTIVE

AMENDMENT NO. 1

TO

 

FORM S-3

 

REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933

 

AMEREN CORPORATION

(Exact name of registrant as specified in its charter)

 

 

1901 Chouteau Avenue
St. Louis, Missouri 63103
(314) 621-3222

(Address, including zip code, and telephone number, including
area code, of registrant’s principal executive offices)

 

WARNER L. BAXTER
Executive Vice President and Chief Financial Officer

 

STEVEN R. SULLIVAN
Senior Vice President, General Counsel and Secretary

 

1901 Chouteau Avenue
St. Louis, Missouri 63103
(314) 621-3222

(Names, address, including zip code, and telephone number,
including area code, of agents for service)

 

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

 

 

 

 

DEREGISTRATION OF SECURITIES

 

 

On February 13, 2004, Ameren Corporation (the “Company”) filed a Registration Statement on Form S-3 (Registration No. 333-112823) (the “Registration Statement”) with the United States Securities and Exchange Commission (the “Commission”), which registered for the offer and sale of 6,000,000 shares of the Company’s common stock, $.01 par value (the “Common Stock”), and the then-outstanding preferred share purchase rights attached thereto (the “Rights” and, together with the Common Stock, the “Shares”), to be issued pursuant to the Company’s DRPlus Dividend Reinvestment and Stock Purchase Plan.  The Registration Statement became effective on March 15, 2004.

 

In accordance with the undertaking contained in the Registration Statement pursuant to Item 512 of Regulation S-K, the Company is filing this Post-Effective Amendment No. 1 to the Registration Statement to deregister the remaining 547,172 Shares previously registered that remain unsold under the Registration Statement as of the date hereof.

 

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SIGNATURES

 

Pursuant to the requirements of the Securities Act of 1933, the Company certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this Post-Effective Amendment No. 1 to Registration Statement No. 333-112823 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of St. Louis, State of Missouri, on the 16th day of January, 2009.

 

	AMEREN CORPORATION (REGISTRANT)
	By:	/s/ Gary L. Rainwater
		Gary L. Rainwater
		Chairman, President and Chief Executive Officer

 

Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 1 has been signed by the following persons in the capacities and on the date indicated.

 

Name		Title		Date
/s/ Gary L. Rainwater		Chairman, President, Chief Executive
Gary L. Rainwater		Officer and Director		January 16, 2009
		(Principal Executive Officer)
/s/ Warner L. Baxter		Executive Vice President and
Warner L. Baxter		Chief Financial Officer		January 16, 2009
		(Principal Financial Officer)
/s/ Martin J. Lyons		Senior Vice President and
Martin J. Lyons		Chief Accounting Officer		January 16, 2009
		(Principal Accounting Officer)
/s/ Stephen F. Brauer		Director		January 16, 2009
Stephen F. Brauer
/s/ Susan S. Elliott		Director		January 16, 2009
Susan S. Elliott
/s/ Walter J. Galvin		Director		January 16, 2009
Walter J. Galvin
/s/ Gayle P. W. Jackson		Director		January 16, 2009
Gayle P. W. Jackson
/s/ James C. Johnson		Director		January 16, 2009
James C. Johnson
/s/ Charles W. Mueller		Director		January 16, 2009
Charles W. Mueller
/s/ Douglas R. Oberhelman		Director		January 16, 2009
Douglas R. Oberhelman
/s/ Harvey Saligman		Director		January 16, 2009
Harvey Saligman
/s/ Patrick T. Stokes		Director		January 16, 2009
Patrick T. Stokes
/s/ Jack D. Woodard		Director		January 16, 2009
Jack D. Woodard

 

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