Exhibit



	Year Ended December 31,
	2011^(a)		2012		2013			2014			2015^(b)
Earnings available for fixed charges, as defined:
Net income from continuing operations attributable to Ameren Corporation	$	431,213	$	515,491	$	512,055		$	587,313		$	578,866
Income from equity investee	—		—		(57		)	(498		)	(484		)
Distributed income from equity investee	—		—		—			1,020			—
Tax expense based on income	254,269		307,319		311,288			376,448			362,947
Fixed charges excluding capitalized interest and subsidiary preferred stock dividends tax adjustment ^(c)(d)	492,058		478,998		455,574			385,326			387,286
Amortization of capitalized interest ^(d)	3,544		3,435		1,477			—			—
Earnings available for fixed charges, as defined	$	1,181,084	$	1,305,243	$	1,280,337		$	1,349,609		$	1,328,615
Fixed charges, as defined:
Interest expense on short-term and long-term debt ^(c)	$	456,724	$	440,590	$	415,465		$	348,470		$	350,299
Capitalized interest ^(d)(e)	2,920		13,069		17,076			—			—
Estimated interest cost within rental expense	8,196		8,039		8,189			9,079			8,748
Amortization of net debt premium, discount, and expenses	21,110		23,926		25,477			21,334			21,796
Subsidiary preferred stock dividends	6,028		6,443		6,443			6,443			6,443
Adjust preferred stock dividends to pretax basis	3,561		4,529		4,116			4,102			3,783
Total fixed charges, as defined	$	498,539	$	496,596	$	476,766		$	389,428		$	391,069
Consolidated ratio of earnings to fixed charges	2.37		2.63		2.69			3.47			3.40


(a)	Includes an $89 million regulatory disallowance associated with the Taum Sauk breach.


(b)	Includes a $69 million provision for the Callaway construction and operating license. See Note 2 - Rate and Regulatory Matters under Part II, Item 8, of this Form 10-K for additional information.


(c)	Includes net interest related to uncertain tax positions.


(d)	All capitalized interest is associated with discontinued operations.


(e)	Excludes allowance for funds used during construction.