BlackRock Fund Advisors’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	$42.1M	Buy	6,150,995 +1,460,679	+31%	+$7.11M	0.01%	1788
2016 Q3	$18.9M	Buy	4,690,316 +362,144	+8%	+$1.34M	﹤0.01%	2098
2016 Q2	$19.9M	Buy	4,328,172 +157,646	+4%	+$519K	﹤0.01%	2025
2016 Q1	$9.18M	Sell	4,170,526 -23,517	-0.6%	-$38.8K	﹤0.01%	2408
2015 Q4	$9.1M	Buy	4,194,043 +299,066	+8%	+$772K	﹤0.01%	2500
2015 Q3	$8.18M	Sell	3,894,977 -127,323	-3%	-$432K	﹤0.01%	2501
2015 Q2	$25.5M	Buy	4,022,300 +82,585	+2%	+$565K	0.01%	1959
2015 Q1	$21.4M	Buy	3,939,715 +171,205	+5%	+$853K	0.01%	2035
2014 Q4	$20.9M	Buy	3,768,510 +475,347	+14%	+$3.85M	0.01%	2044
2014 Q3	$46.2M	Sell	3,293,163 -63,471	-2%	-$991K	0.01%	1401
2014 Q2	$58.9M	Sell	3,356,634 -374,029	-10%	-$5.61M	0.02%	1293
2014 Q1	$48.3M	Buy	3,730,663 +7,181	+0.2%	+$71.8K	0.01%	1436
2013 Q4	$29.8M	Buy	3,723,482 +110,941	+3%	+$874K	0.01%	1749
2013 Q3	$27.1M	Buy	3,612,541 +329,861	+10%	+$2.35M	0.01%	1765
2013 Q2	$21.7M	Buy	+3,282,680	New	+$23.9M	0.01%	1807