BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

CULLEN/FROST BANKERS, INC.'s Holding History (CIK: 0000039263)

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

Q4 2013
Shares 7,288 Value ($000) $217 Avg Close — Range —
Q3 2013
Shares 7,288 Value ($000) $223 Avg Close — Range —
Q2 2013
Shares 8,341 Value ($000) $211 Avg Close — Range —