POSTROCK ENERGY CORP

CUSIP: 737525105 Class: COM

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q4 2014
Shares 68,207 Value ($000) $25 Avg Close — Range —
Q3 2014
Shares 122,100 Value ($000) $142 Avg Close — Range —
Q2 2014
Shares 122,100 Value ($000) $183 Avg Close — Range —
Q1 2014
Shares 122,100 Value ($000) $154 Avg Close — Range —
Q4 2013
Shares 122,100 Value ($000) $142 Avg Close — Range —
Q3 2013
Shares 122,100 Value ($000) $160 Avg Close — Range —
Q2 2013
Shares 122,100 Value ($000) $187 Avg Close — Range —