Exhibit 99.4

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(unaudited)

	Nine Months Ended September 30,					Years Ended December 31,
(Amounts in millions of dollars)	2018		2017			2017			2016			2015			2014		2013
Net income(a)		10,314		7,610			8,631			6,196			5,087			4,244		11,228
Income tax expenses(a)		5,923		2,257			3,029			970			1,653			8,614		14,767
Non-controlling interests		56		(41	)		(332	)		10			(301	)		6		293
Equity in income of affiliates (in excess of)/less than dividends received		(973)		96			42			(643	)		(311	)		29		(775	)
Interest expensed		1,102		750			1,000			734			742			536		656
Estimate of the interest within rental expense		367		407			489			543			477			406		357
Amortization of capitalized interest		157		158			191			161			174			160		135
Total(a)		16,946		11,237			13,050			7,971			7,521			13,995		26,661
Interest expensed		1,102		750			1,000			734			742			536		656
Capitalized interest		393		352			475			481			362			341		349
Estimate of the interest within rental expense		367		407			489			543			477			406		357
Preference security dividend requirements of consolidated subsidiaries		—		—			—			—			—			—		—
Fixed charges		1,862		1,509			1,964			1,758			1,581			1,283		1,362
Ratio of earnings to fixed charges(a)		9.10		7.45			6.64			4.53			4.76			10.91		19.57

^(a) Figures for 2013 have been restated pursuant to the retrospective application of the accounting interpretation IFRIC 21 from January 1, 2014.