CHAPARRAL ENERGY INC

CUSIP: 15942R208 Class: COM CL A

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

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

Q1 2020
Shares 48,382 Value ($000) $23 Avg Close — Range —
Q4 2019
Shares 47,829 Value ($000) $84 Avg Close — Range —
Q3 2019
Shares 47,829 Value ($000) $64 Avg Close — Range —
Q2 2019
Shares 47,829 Value ($000) $225 Avg Close — Range —