ULTRA PETROLEUM CORP

CUSIP: 903914208 Class: COM NEW

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2019
Shares 243,690 Value ($000) $149 Avg Close — Range —
Q4 2018
Shares 243,690 Value ($000) $185 Avg Close — Range —
Q3 2018
Shares 243,690 Value ($000) $273 Avg Close — Range —
Q2 2018
Shares 243,690 Value ($000) $563 Avg Close — Range —
Q1 2018
Shares 296,542 Value ($000) $1,237 Avg Close — Range —
Q4 2017
Shares 307,676 Value ($000) $2,788 Avg Close — Range —
Q3 2017
Shares 312,398 Value ($000) $2,708 Avg Close — Range —
Q2 2017
Shares 345,800 Value ($000) $3,752 Avg Close — Range —