BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q2 2017
Shares 24,000 Value ($000) $206 Avg Close — Range —
Q1 2017
Shares 61,417 Value ($000) $550 Avg Close — Range —
Q4 2016
Shares 26,900 Value ($000) $411 Avg Close — Range —
Q3 2016
Shares 24,800 Value ($000) $345 Avg Close — Range —
Q2 2016
Shares 65,642 Value ($000) $859 Avg Close — Range —
Q1 2016
Shares 43,612 Value ($000) $588 Avg Close — Range —