Supplemental Quarterly Results

12 Months Ended

Dec. 31, 2018

SUPPLEMENTAL QUARTERLY RESULTS (UNAUDITED)

The following is a summary of the quarterly results of operations for the years ended December 31, 2018 and 2017:


(in millions, except share amounts)	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
	2018
Operating revenues	$	920	$	816	$	951	$	1,175
Operating income		255		124		66		352
Net income (loss) attributable to common stock		205		51		(29)		307
Earnings (loss) per share – Basic		0.36		0.09		(0.05)		0.54
Earnings (loss) per share – Diluted		0.36		0.09		(0.05)		0.54

	2017
Operating revenues	$	846	$	811	$	737	$	809
Operating income		266		188		110		167
Net income attributable to common stock		281		224		43		267
Earnings per share – Basic		0.57		0.45		0.09		0.53
Earnings per share – Diluted		0.57		0.45		0.09		0.53