QUARTERLY FINANCIAL DATA (UNAUDITED):

Summarized unaudited quarterly financial data is presented below. Earnings per unit are computed on a stand-alone basis for each quarter and total year.



	Quarters Ended
	March 31		June 30		September 30		December 31		Total Year
2018:
Revenues	$	11,882	$	14,118	$	14,514	$	13,573	$	54,087
Operating income	1,100		1,126		1,703		1,419		5,348
Income from continuing operations	726		659		1,393		852		3,630
Net income	489		633		1,391		852		3,365
Limited Partners’ interest in net income	341		330		370		617		1,658
Income from continuing operations per limited partner unit:
Basic	$	0.32	$	0.30	$	0.32	$	0.26	$	1.17
Diluted	$	0.32	$	0.30	$	0.32	$	0.26	$	1.16
Net income per limited partner unit:
Basic	$	0.31	$	0.30	$	0.32	$	0.26	$	1.16
Diluted	$	0.31	$	0.30	$	0.32	$	0.26	$	1.15



	Quarters Ended
	March 31		June 30		September 30		December 31		Total Year
2017:
Revenues	$	9,661	$	9,427	$	9,984	$	11,451	$	40,523
Operating income	758		743		931		289		2,721
Income from continuing operations	330		314		741		1,158		2,543
Net income	319		121		758		1,168		2,366
Limited Partners’ interest in net income	232		204		240		239		915
Income from continuing operations per limited partner unit:
Basic	$	0.22	$	0.20	$	0.22	$	0.22	$	0.86
Diluted	$	0.21	$	0.19	$	0.22	$	0.22	$	0.84
Net income per limited partner unit:
Basic	$	0.22	$	0.19	$	0.22	$	0.22	$	0.85
Diluted	$	0.21	$	0.18	$	0.22	$	0.22	$	0.83

The three months ended December 31, 2018 and 2017 reflected the recognition of impairment losses of $431 million and $1.04 billion, respectively. Impairment losses in 2018 were primarily related to our midstream segment. Impairment losses in 2017 were primarily related to our interstate transportation and storage segment, NGL and refined products segment, all other segment as well as investment in Sunoco LP segment. The three months ended December 31, 2017 also reflected the recognition of a non-cash impairment of our investments in subsidiaries of $313 million in our interstate transportation and storage segment.