EXHIBIT 12

EXXON MOBIL CORPORATION

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

	Years Ended December 31,
	2005			2004			2003			2002			2001
	(millions of dollars)
Income from continuing operations	$	36,130		$	25,330		$	20,960		$	11,011		$	15,003
Excess/(shortfall) of dividends over earnings of affiliates owned less than 50 percent accounted for by the equity method		(513	)		(475	)		(205	)		(140	)		(108	)
Provision for income taxes(1)		24,885			16,644			11,734			7,073			9,599
Capitalized interest		(89	)		(180	)		(180	)		(143	)		(255	)
Minority interests in earnings of consolidated subsidiaries		795			773			692			206			556
		61,208			42,092			33,001			18,007			24,795
Fixed Charges:(1)
Interest expense—borrowings		200			182			182			368			328
Capitalized interest		443			515			497			442			529
Rental expense representative of interest factor		593			498			424			587			621
Dividends on preferred stock		7			5			3			5			8
		1,243			1,200			1,106			1,402			1,486
Total adjusted earnings available for payment of fixed charges	$	62,451		$	43,292		$	34,107		$	19,409		$	26,281
Number of times fixed charges are earned		50.2			36.1			30.8			13.8			17.7

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.