PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

WEST CHESTER CAPITAL ADVISORS, INC's Holding History (CIK: 0001102062)

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

Q4 2013
Shares 3,059 Value ($000) $563 Avg Close — Range —
Q3 2013
Shares 3,059 Value ($000) $578 Avg Close — Range —
Q2 2013
Shares 3,059 Value ($000) $443 Avg Close — Range —