BOLT TECHNOLOGY CORP

CUSIP: 097698104 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2014
Shares 11,357 Value ($000) $225 Avg Close — Range —
Q4 2013
Shares 11,687 Value ($000) $257 Avg Close — Range —
Q3 2013
Shares 12,487 Value ($000) $225 Avg Close — Range —
Q2 2013
Shares 12,558 Value ($000) $214 Avg Close — Range —