BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q3 2015
Shares 53,669 Value ($000) $791 Avg Close — Range —
Q2 2015
Shares 54,609 Value ($000) $1,092 Avg Close — Range —
Q1 2015
Shares 54,679 Value ($000) $1,094 Avg Close — Range —
Q4 2014
Shares 54,679 Value ($000) $1,307 Avg Close — Range —
Q3 2014
Shares 58,539 Value ($000) $1,365 Avg Close — Range —
Q2 2014
Shares 58,539 Value ($000) $1,372 Avg Close — Range —