ULTRA PETROLEUM CORP

CUSIP: 903914109 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2016
Shares 2,897,131 Value ($000) $1,443 Avg Close — Range —
Q4 2015
Shares 150,263 Value ($000) $376 Avg Close — Range —
Q2 2015
Shares 66,824 Value ($000) $837 Avg Close — Range —
Q4 2014
Shares 76,719 Value ($000) $1,010 Avg Close — Range —
Q2 2014
Shares 11,626 Value ($000) $345 Avg Close — Range —
Q4 2013
Shares 79,154 Value ($000) $1,714 Avg Close — Range —
Q3 2013
Shares 51,295 Value ($000) $1,055 Avg Close — Range —
Q2 2013
Shares 142,219 Value ($000) $2,819 Avg Close — Range —