BASIC ENERGY SVCS INC NEW

CUSIP: 06985P100 Class: COMMON STOCK

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

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

Q1 2016
Shares 91,588 Value ($000) $253 Avg Close — Range —
Q4 2015
Shares 79,049 Value ($000) $212 Avg Close — Range —
Q3 2015
Shares 77,569 Value ($000) $256 Avg Close — Range —
Q2 2015
Shares 77,869 Value ($000) $588 Avg Close — Range —
Q1 2015
Shares 57,770 Value ($000) $400 Avg Close — Range —
Q4 2014
Shares 58,970 Value ($000) $413 Avg Close — Range —
Q3 2014
Shares 58,719 Value ($000) $1,274 Avg Close — Range —
Q2 2014
Shares 58,086 Value ($000) $1,697 Avg Close — Range —
Q1 2014
Shares 54,386 Value ($000) $1,491 Avg Close — Range —
Q4 2013
Shares 54,186 Value ($000) $855 Avg Close — Range —
Q3 2013
Shares 53,786 Value ($000) $680 Avg Close — Range —
Q2 2013
Shares 52,119 Value ($000) $630 Avg Close — Range —
Q1 2013
Shares 53,535 Value ($000) $732 Avg Close — Range —