Atmos Energy (ATO) 8-K Other Events

EXHIBIT 12.1

Atmos Energy Corporation
Pro Forma Computation of Earnings to Fixed Charges

	Three Months Ended				Year Ended
	December 31, 2008				September 30, 2008
	Actual		As Adjusted		Actual		As Adjusted
	(Dollars in thousands)
Income from continuing operations before provision for income taxes per statement of income	$	123,902	$	118,144	$	292,704	$	269,673
Add:
Portion of rents representative of the interest factor		1,771		1,771		6,882		6,882
Interest on debt & amortization of debt expense		38,991		44,749		137,922		160,953
Income as adjusted	$	164,664	$	164,664	$	437,508	$	437,508
Fixed charges:
Interest on debt & amortization of debt expense (1)	$	38,991	$	44,749	$	137,922	$	160,953
Capitalized interest (2)		718		824		2,879		3,360
Rents		5,312		5,312		20,647		20,647
Portion of rents representative of the interest factor (3)		1,771		1,771		6,882		6,882
Fixed charges (1)+(2)+(3)	$	41,480	$	47,344	$	147,683	$	171,195
Ratio of earnings to fixed charges		3.97		3.48		2.96		2.56