South Dakota Investment Council’s Ocean Rig UDW Inc. Class A Common Shares ORIG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q4	–	Sell	-73,461	Closed	-$2.54M	–	628
2018 Q3	$2.54M	Buy	73,461 +23,461	+47%	+$812K	0.06%	264
2018 Q2	$1.47M	Buy	+50,000	New	+$1.47M	0.03%	370