BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2017
Shares 15,467 Value ($000) $138 Avg Close — Range —
Q4 2016
Shares 16,167 Value ($000) $247 Avg Close — Range —
Q3 2016
Shares 16,167 Value ($000) $225 Avg Close — Range —
Q2 2016
Shares 16,167 Value ($000) $211 Avg Close — Range —
Q1 2016
Shares 16,467 Value ($000) $222 Avg Close — Range —
Q4 2015
Shares 18,567 Value ($000) $177 Avg Close — Range —
Q3 2015
Shares 19,567 Value ($000) $288 Avg Close — Range —
Q2 2015
Shares 19,567 Value ($000) $391 Avg Close — Range —
Q1 2015
Shares 20,467 Value ($000) $428 Avg Close — Range —
Q4 2014
Shares 21,167 Value ($000) $506 Avg Close — Range —
Q3 2014
Shares 21,667 Value ($000) $505 Avg Close — Range —
Q2 2014
Shares 23,067 Value ($000) $541 Avg Close — Range —
Q1 2014
Shares 26,111 Value ($000) $636 Avg Close — Range —
Q4 2013
Shares 27,711 Value ($000) $826 Avg Close — Range —
Q3 2013
Shares 30,511 Value ($000) $935 Avg Close — Range —
Q2 2013
Shares 30,529 Value ($000) $773 Avg Close — Range —