PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q2 2015
Shares 139,856 Value ($000) $887 Avg Close — Range —
Q1 2015
Shares 139,856 Value ($000) $758 Avg Close — Range —
Q4 2014
Shares 171,712 Value ($000) $951 Avg Close — Range —
Q3 2014
Shares 193,622 Value ($000) $2,715 Avg Close — Range —
Q2 2014
Shares 193,622 Value ($000) $3,396 Avg Close — Range —
Q1 2014
Shares 103,049 Value ($000) $1,334 Avg Close — Range —
Q4 2013
Shares 31,232 Value ($000) $250 Avg Close — Range —