Kelly Youngblood

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
7 Feb 25	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	12.79	31,941	408.53 k	229,465
7 Feb 25	MRC MRC Global	Common Stock	Grant	Acquire A	No	No	0	81,169	0.00	261,406
7 Feb 25	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	12.79	17,808	227.76 k	180,237
6 Feb 25	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	13.38	7,902	105.73 k	198,045
13 May 24	MRC MRC Global	Common Stock	Sell	Dispose S	No	No	13.6	152,016	2.07 mm	205,947
13 May 24	MRC MRC Global	Common Stock	Sell	Dispose S	No	No	13.62	5,468	74.47 k	357,963
5 May 24	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	11.51	3,549	40.85 k	363,431
8 Feb 24	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	10.74	23,342	250.69 k	366,980
8 Feb 24	MRC MRC Global	Common Stock	Grant	Acquire A	No	No	0	59,317	0.00	390,322
8 Feb 24	MRC MRC Global	Common Stock	Payment of exercise	Dispose F	No	No	10.74	6,972	74.88 k	331,005

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.