PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2017
Shares 12,264 Value ($000) $37 Avg Close — Range —
Q2 2014
Shares 916 Value ($000) $16 Avg Close — Range —
Q1 2014
Shares 413 Value ($000) $5 Avg Close — Range —