OASIS PETE INC NEW

CUSIP: 674215108 Class: COMMON STOCK

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q4 2015
Shares 867,633 Value ($000) $6,394 Avg Close — Range —
Q3 2015
Shares 892,263 Value ($000) $7,745 Avg Close — Range —
Q2 2015
Shares 871,274 Value ($000) $13,810 Avg Close — Range —
Q1 2015
Shares 999,245 Value ($000) $14,209 Avg Close — Range —
Q4 2014
Shares 1,061,894 Value ($000) $17,564 Avg Close — Range —
Q3 2014
Shares 948,722 Value ($000) $39,666 Avg Close — Range —
Q2 2014
Shares 938,686 Value ($000) $52,463 Avg Close — Range —
Q1 2014
Shares 960,396 Value ($000) $40,077 Avg Close — Range —
Q4 2013
Shares 762,348 Value ($000) $35,807 Avg Close — Range —
Q3 2013
Shares 692,656 Value ($000) $34,030 Avg Close — Range —
Q2 2013
Shares 381,500 Value ($000) $14,828,905 Avg Close — Range —