BOLT TECHNOLOGY CORP

CUSIP: 097698104 Class: COM

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

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

Q1 2014
Shares 15,631 Value ($000) $309 Avg Close — Range —
Q4 2013
Shares 15,631 Value ($000) $344 Avg Close — Range —
Q3 2013
Shares 15,431 Value ($000) $279 Avg Close — Range —
Q2 2013
Shares 15,031 Value ($000) $257 Avg Close — Range —
Q1 2013
Shares 14,919 Value ($000) $260 Avg Close — Range —