PIONEER ENERGY SVCS CORP

CUSIP: 723664108 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q3 2015
Shares 90,500 Value ($000) $190 Avg Close — Range —
Q2 2015
Shares 79,200 Value ($000) $502 Avg Close — Range —
Q1 2015
Shares 74,800 Value ($000) $405 Avg Close — Range —
Q4 2014
Shares 74,800 Value ($000) $414 Avg Close — Range —
Q3 2014
Shares 74,800 Value ($000) $1,049 Avg Close — Range —
Q2 2014
Shares 76,000 Value ($000) $1,333 Avg Close — Range —
Q1 2014
Shares 76,000 Value ($000) $984 Avg Close — Range —
Q4 2013
Shares 60,100 Value ($000) $481 Avg Close — Range —
Q3 2013
Shares 60,100 Value ($000) $451 Avg Close — Range —
Q2 2013
Shares 63,800 Value ($000) $422 Avg Close — Range —