ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q1 2016
Shares 23,410 Value ($000) $12 Avg Close — Range —
Q4 2015
Shares 23,410 Value ($000) $59 Avg Close — Range —
Q3 2015
Shares 23,410 Value ($000) $150 Avg Close — Range —
Q2 2015
Shares 23,410 Value ($000) $293 Avg Close — Range —
Q1 2015
Shares 23,410 Value ($000) $366 Avg Close — Range —
Q4 2014
Shares 23,410 Value ($000) $308 Avg Close — Range —
Q3 2014
Shares 201,080 Value ($000) $5,407 Avg Close — Range —
Q2 2014
Shares 1,628,090 Value ($000) $48,338 Avg Close — Range —
Q1 2014
Shares 201,080 Value ($000) $5,407 Avg Close — Range —
Q4 2013
Shares 23,400 Value ($000) $507 Avg Close — Range —
Q3 2013
Shares 23,410 Value ($000) $545 Avg Close — Range —
Q2 2013
Shares 25,900 Value ($000) $513 Avg Close — Range —