Exhibit 7

Computation of ratio of earnings to fixed charges (unaudited)

				$ million,
				except ratios
For the year ended 31 December	2010			2009			2008			2007			2006
Profit (loss) before taxation		(4,825	)		25,124			34,283			31,611			35,142
Group’s share of income in excess of dividends of equity-accounted entities		(1,480	)		(898	)		(93	)		(1,359	)		—
Capitalized interest, net of amortization		(42	)		64			56			(183	)		(341	)
Profit (loss) as adjusted(a)		(6,347	)		24,290			34,246			30,069			34,801
Fixed charges:
Interest expense		701			718			1,157			1,110			718
Rental expense representative of interest		1,987			1,370			1,231			1,033			946
Capitalized interest		254			188			162			323			478
		2,942			2,276			2,550			2,466			2,142
Total adjusted earnings (deficit) available for payment of fixed charges		(3,405	)		26,566			36,796			32,535			36,943
Ratio of earnings to fixed charges		—			11.7			14.4			13.2			17.2
Deficiency(b)		(6,347	)

(a)	Includes a pre tax charge of $40,935 million related to Gulf of Mexico oil spill.
(b)	Adjusted earnings are inadequate to cover fixed charges.