PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q4 2014
Shares 11,000 Value ($000) $61 Avg Close — Range —
Q3 2014
Shares 10,000 Value ($000) $140 Avg Close — Range —
Q2 2014
Shares 10,000 Value ($000) $175 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $130 Avg Close — Range —