ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q1 2015
Shares 116,279 Value ($000) $1,817 Avg Close — Range —
Q4 2014
Shares 119,199 Value ($000) $1,569 Avg Close — Range —
Q3 2014
Shares 112,649 Value ($000) $2,620 Avg Close — Range —
Q2 2014
Shares 111,889 Value ($000) $3,322 Avg Close — Range —
Q1 2014
Shares 109,299 Value ($000) $2,939 Avg Close — Range —
Q4 2013
Shares 109,149 Value ($000) $2,363 Avg Close — Range —
Q3 2013
Shares 112,449 Value ($000) $2,313 Avg Close — Range —
Q2 2013
Shares 121,159 Value ($000) $2,401 Avg Close — Range —