OASIS PETE INC NEW

CUSIP: 674215108 Class: COMMON STOCK

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 612,840 Value ($000) $25,622 Avg Close — Range —
Q2 2014
Shares 687,755 Value ($000) $38,438 Avg Close — Range —
Q1 2014
Shares 709,935 Value ($000) $29,625 Avg Close — Range —
Q4 2013
Shares 722,144 Value ($000) $33,919 Avg Close — Range —
Q3 2013
Shares 1,486,622 Value ($000) $73,038 Avg Close — Range —
Q2 2013
Shares 1,495,384 Value ($000) $58,126 Avg Close — Range —