BOLT TECHNOLOGY CORP

CUSIP: 097698104 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q3 2014
Shares 123,015 Value ($000) $2,699 Avg Close — Range —
Q2 2014
Shares 66,444 Value ($000) $1,219 Avg Close — Range —
Q1 2014
Shares 36,651 Value ($000) $725 Avg Close — Range —
Q4 2013
Shares 32,151 Value ($000) $708 Avg Close — Range —
Q3 2013
Shares 32,151 Value ($000) $580 Avg Close — Range —
Q2 2013
Shares 32,151 Value ($000) $549 Avg Close — Range —