ACORN ENERGY INC

CUSIP: 004848107 Class: COMMON STOCK

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

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

Q1 2014
Shares 39,748 Value ($000) $135 Avg Close — Range —
Q4 2013
Shares 39,748 Value ($000) $162 Avg Close — Range —
Q3 2013
Shares 32,348 Value ($000) $191 Avg Close — Range —
Q2 2013
Shares 31,448 Value ($000) $265 Avg Close — Range —
Q1 2013
Shares 31,048 Value ($000) $228 Avg Close — Range —