POSTROCK ENERGY CORP

CUSIP: 737525105 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q2 2014
Shares 200 Value ($000) $0 Avg Close — Range —
Q4 2013
Shares 1,350 Value ($000) $2 Avg Close — Range —
Q3 2013
Shares 818 Value ($000) $1 Avg Close — Range —
Q2 2013
Shares 2,559 Value ($000) $4 Avg Close — Range —