ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q1 2010
Shares 13,100 Value ($000) $611 Avg Close — Range —
Q4 2009
Shares 26,460 Value ($000) $1,319 Avg Close — Range —
Q3 2009
Shares 70,510 Value ($000) $3,452 Avg Close — Range —
Q2 2009
Shares 70,510 Value ($000) $2,750 Avg Close — Range —
Q1 2009
Shares 33,310 Value ($000) $1,195 Avg Close — Range —