PENN WEST PETE LTD NEW

CUSIP: 70788710 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2014
Shares 22,153 Value ($000) $46 Avg Close — Range —
Q3 2014
Shares 1,660,873 Value ($000) $11,280 Avg Close — Range —
Q2 2014
Shares 2,722,911 Value ($000) $26,637 Avg Close — Range —
Q1 2014
Shares 255,096 Value ($000) $2,136 Avg Close — Range —
Q3 2013
Shares 231,587 Value ($000) $2,575 Avg Close — Range —