OASIS PETE INC NEW

CUSIP: 674215108 Class: COMMON STOCK

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2018
Shares 173,590 Value ($000) $960 Avg Close — Range —
Q3 2018
Shares 174,220 Value ($000) $2,470 Avg Close — Range —
Q2 2018
Shares 174,220 Value ($000) $2,260 Avg Close — Range —
Q4 2016
Shares 387,945 Value ($000) $5,873 Avg Close — Range —
Q2 2016
Shares 436,115 Value ($000) $4,073 Avg Close — Range —