BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q1 2017
Shares 700 Value ($000) $6 Avg Close — Range —
Q4 2016
Shares 8,000 Value ($000) $122 Avg Close — Range —
Q3 2016
Shares 6,700 Value ($000) $93 Avg Close — Range —
Q2 2016
Shares 6,200 Value ($000) $81 Avg Close — Range —
Q1 2016
Shares 2,600 Value ($000) $35 Avg Close — Range —
Q4 2015
Shares 6,600 Value ($000) $63 Avg Close — Range —
Q3 2015
Shares 1,800 Value ($000) $27 Avg Close — Range —
Q2 2015
Shares 600 Value ($000) $12 Avg Close — Range —