OASIS PETE INC NEW

CUSIP: 674215108 Class: COMMON STOCK

VIKING FUND MANAGEMENT LLC's Holding History (CIK: 0001169069)

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

Q1 2015
Shares 205,000 Value ($000) $2,915 Avg Close — Range —
Q4 2014
Shares 100,000 Value ($000) $1,654 Avg Close — Range —
Q3 2014
Shares 466,000 Value ($000) $19,483 Avg Close — Range —
Q2 2014
Shares 466,000 Value ($000) $26,045 Avg Close — Range —
Q1 2014
Shares 424,000 Value ($000) $17,694 Avg Close — Range —
Q4 2013
Shares 404,000 Value ($000) $18,976 Avg Close — Range —
Q3 2013
Shares 473,000 Value ($000) $23,238 Avg Close — Range —
Q2 2013
Shares 516,000 Value ($000) $20,057 Avg Close — Range —