EXHIBIT 12

EXXON MOBIL CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Years Ended December 31,
	2008		2007			2006			2005			2004
	(millions of dollars)
Income from continuing operations	$45,220		$	40,610		$	39,500		$	36,130		$	25,330
Excess/(shortfall) of dividends over earnings of affiliates owned less than 50 percent accounted for by the equity method	208			(537	)		(411	)		(513	)		(475	)
Provision for income taxes(1)	38,442			31,065			28,795			24,885			16,644
Capitalized interest	(123	)		(182	)		(162	)		(89	)		(180	)
Minority interests in earnings of consolidated subsidiaries	1,647			1,005			1,051			795			773
	85,394			71,961			68,773			61,208			42,092
Fixed Charges:(1)
Interest expense—borrowings	243			179			184			200			182
Capitalized interest	515			558			532			443			515
Rental expense representative of interest factor	910			735			801			593			498
Dividends on preferred stock	—			—			—			7			5
	1,668			1,472			1,517			1,243			1,200
Total adjusted earnings available for payment of fixed charges	$87,062		$	73,433		$	70,290		$	62,451		$	43,292
Number of times fixed charges are earned	52.2			49.9			46.3			50.2			36.1

Note:

(1) The provision for income taxes and the fixed charges include Exxon Mobil Corporation’s share of 50 percent-owned companies and majority-owned subsidiaries that are not consolidated.