Provided below are selected unaudited quarterly financial data for 2018 and 2017.

The earnings per share information is calculated independently for each quarter based on the weighted average number of common stock and common stock equivalents outstanding, which may fluctuate, based on quarterly income levels and market prices. Therefore and due to the seasonality of the Company’s earnings, the sum of the quarters’ per share information may not equal the annual amount presented on the Consolidated Statements of Operations.



			2018
			First			Second		Third ^(a)		Fourth
Revenues			$	1,968		$	2,328	$	2,778	$	2,050
Net income (loss)			(87		)	26		213		13

Per share information:
	Basic
		Net income (loss)	$	(1.08	)	$	0.33	$	2.71	$	0.16
		Weighted average shares	81.0			80.7		78.8		76.9

	Diluted
		Net income (loss)	$	(1.08	)	$	0.32	$	2.68	$	0.16
		Weighted average shares	81.0			81.5		79.5		77.6



			2017
			First			Second		Third		Fourth ^(a)
Revenues			$	1,839		$	2,238	$	2,752	$	2,019
Net income (loss)			(107		)	3		245		220

Per share information:
	Basic
		Net income (loss)	$	(1.25	)	$	0.04	$	2.96	$	2.70
		Weighted average shares	85.7			84.0		82.6		81.3

	Diluted
		Net income (loss)	$	(1.25	)	$	0.04	$	2.91	$	2.65
		Weighted average shares	85.7			85.2		84.0		82.7

__________

^(a)

Net income for fourth quarter 2017 included provisional amounts for the Tax Act of (i) a tax benefit of $317 million resulting from the remeasurement of net deferred income tax liabilities as a result of the reduced corporate tax rate and (ii) a tax provision of $104 million for the one-time transition tax on the deemed repatriation of cumulative foreign subsidiary earnings. Net income for the third quarter 2018 included additional tax expense of $30 million resulting from the completion of the accounting for the effects of the Tax Act for the one-time transition tax on the deemed repatriation of cumulative foreign subsidiary earnings.