EXHIBIT 12

CHESAPEAKE ENERGY CORPORATION AND SUBSIDIARIES

RATIOS OF EARNINGS TO FIXED CHARGES AND COMBINED FIXED CHARGES

AND PREFERRED DIVIDENDS

	Years Ended December 31,												Six Months Ended June 30,
	2005		2006			2007		2008		2009			2010
	($ in millions)
EARNINGS:
Income (loss) before income taxes and cumulative effect of accounting change	$	1,492	$	3,241		$	2,347	$	991	$	(9,288	)	$	1,614
Interest expense(a)		223		318			375		225		237			111
(Gain)/loss on investment in equity investees in excess of distributed earnings		1		(3	)		21		40		39			(39	)
Amortization of capitalized interest		10		19			40		74		150			96
Loan cost amortization		9		13			16		19		26			13
Earnings	$	1,735	$	3,588		$	2,799	$	1,349	$	(8,836	)	$	1,795
FIXED CHARGES:
Interest Expense	$	223	$	318		$	375	$	225	$	237		$	111
Capitalized interest		79		179			311		586		627			339
Loan cost amortization		9		13			16		19		26			13
Fixed Charges	$	311	$	510		$	702	$	830	$	890		$	463
PREFERRED STOCK DIVIDENDS:
Preferred dividend requirements	$	42	$	89		$	94	$	33	$	23		$	25
Ratio of income before provision for taxes to net income(b)		1.57		1.63			1.62		1.64		1.59			1.63
Preferred Dividends	$	66	$	145		$	152	$	54	$	37		$	41
COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS	$	377	$	655		$	854	$	884	$	927		$	504
RATIO OF EARNINGS TO FIXED CHARGES		5.6		7.0			4.0		1.6		(9.9	)		3.9
INSUFFICIENT COVERAGE	$	—	$	—		$	—	$	—	$	9,726		$	—
RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED DIVIDENDS		4.6		5.5			3.3		1.5		(9.5	)		3.6
INSUFFICIENT COVERAGE	$	—	$	—		$	—	$	—	$	9,763		$	—

(a) Excludes the effect of unrealized gains or losses on interest rate derivatives and includes amortization of bond discount.

(b) Amounts of income before provision for taxes and of net income exclude the cumulative effect of accounting change.