BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

SCHRODER INVESTMENT MANAGEMENT GROUP's Holding History (CIK: 0001086619)

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

Q1 2014
Shares 7,100 Value ($000) $172,814 Avg Close — Range —
Q4 2013
Shares 19,700 Value ($000) $587,060 Avg Close — Range —
Q3 2013
Shares 26,900 Value ($000) $824,216 Avg Close — Range —