ULTRA PETROLEUM CORP

CUSIP: 90391410 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q2 2014
Shares 998,302 Value ($000) $29,640 Avg Close — Range —
Q1 2014
Shares 230,448 Value ($000) $6,197 Avg Close — Range —
Q4 2013
Shares 784,472 Value ($000) $16,984 Avg Close — Range —
Q3 2013
Shares 1,237,889 Value ($000) $25,463 Avg Close — Range —