ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q2 2014
Shares 23,009 Value ($000) $683 Avg Close — Range —
Q1 2014
Shares 11,000 Value ($000) $296 Avg Close — Range —