POSTROCK ENERGY CORP

CUSIP: 737525105 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2014
Shares 12,903 Value ($000) $5 Avg Close — Range —
Q3 2014
Shares 12,903 Value ($000) $15 Avg Close — Range —
Q2 2014
Shares 11,757 Value ($000) $18 Avg Close — Range —
Q1 2014
Shares 11,757 Value ($000) $15 Avg Close — Range —
Q4 2013
Shares 11,757 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 11,757 Value ($000) $15 Avg Close — Range —
Q2 2013
Shares 11,757 Value ($000) $18 Avg Close — Range —