Exhibit 99.4

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(unaudited)

	Six Months Ended June 30,				Years Ended December 31,
(Amounts in millions of dollars)	2017		2016		2016		2015		2014		2013		2012
Net income(a)(b)		4,886		3,694		6,196		5,087		4,244		11,228		13,648
Income tax expenses(a)(b)		1,165		282		970		1,653		8,614		14,767		16,747
Non-controlling interests		(80)		45		10		(301)		6		293		188
Equity in income of affiliates (in excess of)/ less than dividends received		206		(516)		(643)		(311)		29		(775)		272
Interest expensed		471		354		734		742		536		656		649
Estimate of the interest within rental expense		272		238		543		477		406		357		334
Amortization of capitalized interest		109		84		161		174		160		135		205
Total(a)(b)		7,029		4,181		7,971		7,521		13,995		26,661		32,043
Interest expensed		471		354		734		742		536		656		649
Capitalized interest		244		241		481		362		341		349		333
Estimate of the interest within rental expense		272		238		543		477		406		357		334
Preference security dividend requirements of consolidated subsidiaries		—		—		—		—		—		—		—
Fixed charges		987		833		1,758		1,581		1,283		1,362		1,316
Ratio of earnings to fixed charges(a)(b)		7.12		5.02		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.