PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

GLOBEFLEX CAPITAL L P's Holding History (CIK: 0000921531)

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

Q4 2016
Shares 167,583 Value ($000) $1,148 Avg Close — Range —
Q3 2016
Shares 168,061 Value ($000) $679 Avg Close — Range —
Q2 2016
Shares 168,061 Value ($000) $773 Avg Close — Range —
Q1 2016
Shares 168,219 Value ($000) $370 Avg Close — Range —
Q4 2015
Shares 142,605 Value ($000) $309 Avg Close — Range —
Q3 2015
Shares 302,410 Value ($000) $635 Avg Close — Range —
Q2 2015
Shares 43,363 Value ($000) $275 Avg Close — Range —
Q4 2014
Shares 18,416 Value ($000) $102 Avg Close — Range —
Q3 2014
Shares 18,478 Value ($000) $259 Avg Close — Range —