POSTROCK ENERGY CORP

CUSIP: 737525105 Class: COM

DELTEC ASSET MANAGEMENT LLC's Holding History (CIK: 0001269950)

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

Q3 2014
Shares 30,000 Value ($000) $35 Avg Close — Range —
Q2 2014
Shares 30,000 Value ($000) $45 Avg Close — Range —
Q1 2014
Shares 30,000 Value ($000) $38 Avg Close — Range —
Q4 2013
Shares 30,000 Value ($000) $35 Avg Close — Range —
Q3 2013
Shares 45,000 Value ($000) $59 Avg Close — Range —
Q2 2013
Shares 45,000 Value ($000) $69 Avg Close — Range —