NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K302 Class: COM PAR ADDED

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

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

Q1 2019
Shares 1,948 Value ($000) $17 Avg Close — Range —
Q4 2018
Shares 1,948 Value ($000) $16 Avg Close — Range —
Q3 2018
Shares 1,948 Value ($000) $22 Avg Close — Range —
Q2 2018
Shares 1,948 Value ($000) $23 Avg Close — Range —