EXHIBIT 99.1

ITEM 6.SELECTED FINANCIAL DATA                            

For the years ended December 31, (In millions, except per share amounts)	2012			2011		2010		2009		2008
Operating revenues	$	5,781		$	6,227	$	6,269	$	5,904	$	6,512
Operating income	1,191			1,011		1,125		911		685
Income from continuing operations	524			424		492		382		248
Net income (loss) attributable to Ameren Corporation	(974		)	519		139		612		605
Common stock dividends	382			375		368		338		534
Continuing operations earnings per share - basic and diluted	2.13			1.73		2.02		1.67		0.86
Common stock dividends per share	1.60			1.555		1.54		1.54		2.54
As of December 31:
Total assets(a)	$	22,219		$	23,723	$	23,511	$	23,702	$	22,671
Long-term debt, excluding current maturities(b)	5,802			5,853		6,030		6,287		5,523
Total Ameren Corporation stockholders’ equity	6,616			7,919		7,730		7,856		6,963

(a) Includes total assets from discontinued operations of $1,600 million, $3,718 million, $3,788 million, $4,484 million, and $4,521 million at December 31, 2012, 2011, 2010, 2009 and 2008, respectively.

(b) Excludes long-term debt from discontinued operations.