BlackRock Investment Management’s Pioneer Energy Services Corp. PES Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$2.8M	Buy	408,211 +97,943	+32%	+$477K	﹤0.01%	1990
2016 Q3	$1.25M	Buy	310,268 +14,091	+5%	+$52K	﹤0.01%	2514
2016 Q2	$1.36M	Buy	296,177 +20,178	+7%	+$66.4K	﹤0.01%	2405
2016 Q1	$607K	Buy	275,999 +1,468	+0.5%	+$2.42K	﹤0.01%	2810
2015 Q4	$596K	Buy	274,531 +1,012	+0.4%	+$2.61K	﹤0.01%	2926
2015 Q3	$574K	Sell	273,519 -2,226	-0.8%	-$7.56K	﹤0.01%	2973
2015 Q2	$1.75M	Buy	275,745 +59,714	+28%	+$409K	﹤0.01%	2354
2015 Q1	$1.17M	Buy	216,031 +2,423	+1%	+$12.1K	﹤0.01%	2420
2014 Q4	$1.18M	Sell	213,608 -979	-0.5%	-$7.93K	﹤0.01%	2432
2014 Q3	$3.01M	Buy	214,587 +1,275	+0.6%	+$19.9K	﹤0.01%	1715
2014 Q2	$3.74M	Sell	213,312 -33,000	-13%	-$495K	0.01%	1609
2014 Q1	$3.19M	Buy	246,312 +3,967	+2%	+$39.7K	﹤0.01%	1722
2013 Q4	$1.94M	Sell	242,345 -6,970	-3%	-$54.9K	﹤0.01%	2044
2013 Q3	$1.87M	Buy	249,315 +2,184	+0.9%	+$15.5K	﹤0.01%	2003
2013 Q2	$1.64M	Buy	+247,131	New	+$1.8M	﹤0.01%	2008