ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2015
Shares 19,671 Value ($000) $49 Avg Close — Range —
Q3 2015
Shares 20,031 Value ($000) $128 Avg Close — Range —
Q2 2015
Shares 20,031 Value ($000) $250 Avg Close — Range —
Q1 2015
Shares 22,085 Value ($000) $345 Avg Close — Range —
Q4 2014
Shares 22,909 Value ($000) $301 Avg Close — Range —
Q3 2014
Shares 18,932 Value ($000) $440 Avg Close — Range —