EXHIBIT 12.1

Alta Mesa Holdings, LP
Ratio of Earnings to Fixed Charges

	Three Months Ended
	March 31,
	2011			2010		2009			2008		2007			2006
						(dollars in thousands)
Earnings:
Net income (loss) before tax	$	(12,166	)	$	14,231	$	(50,037	)	$	36,880	$	(27,476	)	$	9,853
Fixed charges:
Interest (1)		9,240			23,981		11,949			9,212		9,010			9,741
Earnings before fixed charges		(2,926	)		38,212		(38,088	)		46,092		(18,466	)		19,594
Fixed charges:
Interest (1)		9,240			23,981		11,949			9,212		9,010			9,741
Total fixed charges	$	9,240		$	23,981	$	11,949		$	9,212	$	9,010		$	9,741
Ratio of earnings to fixed charges	NA				1.59	NA				5.00	NA				2.01

(1) Interest expense includes interest on debt, amortization of discount on debt, and an estimate of the interest expense portion of rent expense.