Exhibit 99.4

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(unaudited)

	Years Ended December 31,
(Amounts in millions of dollars)	2016			2015			2014		2013			2012
Net income(a)		6,196			5,087			4,244		11,228			13,648
Income tax expenses(a)		970			1,653			8,614		14,767			16,747
Non-controlling interests		10			(301	)		6		293			188
Equity in income of affiliates (in excess of)/ less than dividends received		(643	)		(311	)		29		(775	)		272
Interest expensed		734			742			536		656			649
Estimate of the interest within rental expense		543			477			406		357			334
Amortization of capitalized interest		161			174			160		135			205
Total(a)		7,971			7,521			13,995		26,661			32,043
Interest expensed		734			742			536		656			649
Capitalized interest		481			362			341		349			333
Estimate of the interest within rental expense		543			477			406		357			334
Preference security dividend requirements of consolidated subsidiaries		—			—			—		—			—
Fixed charges		1,758			1,581			1,283		1,362			1,316
Ratio of earnings to fixed charges(a)		4.53			4.76			10.91		19.57			24.35

^(a)  Figures for 2013 have been restated pursuant to the retrospective application of the accounting interpretation IFRIC 21 from January 1, 2014, and figures for 2012 have been restated pursuant to the retrospective application of the revised accounting standard IAS 19 from January 1, 2013.