PENN WEST PETE LTD NEW

CUSIP: 707887105 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2014
Shares 242,294 Value ($000) $508 Avg Close — Range —
Q3 2014
Shares 255,434 Value ($000) $1,735 Avg Close — Range —
Q2 2014
Shares 260,834 Value ($000) $2,552 Avg Close — Range —
Q1 2014
Shares 244,834 Value ($000) $2,050 Avg Close — Range —
Q4 2013
Shares 241,334 Value ($000) $2,015 Avg Close — Range —
Q3 2013
Shares 241,334 Value ($000) $2,684 Avg Close — Range —
Q2 2013
Shares 235,234 Value ($000) $2,475 Avg Close — Range —