Robeco Institutional Asset Management’s U.S. SILICA HOLDINGS, INC. SLCA Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2015 Q1	–	Sell	-21,481	Closed	-$551K	–	790
2014 Q4	$551K	Buy	+21,481	New	+$551K	﹤0.01%	627