BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q4 2014
Shares 51,000 Value ($000) $1,219 Avg Close — Range —
Q3 2014
Shares 58,000 Value ($000) $1,353 Avg Close — Range —
Q2 2014
Shares 58,000 Value ($000) $1,360 Avg Close — Range —
Q1 2014
Shares 58,000 Value ($000) $1,412 Avg Close — Range —
Q4 2013
Shares 58,000 Value ($000) $1,728 Avg Close — Range —
Q3 2013
Shares 58,000 Value ($000) $1,777 Avg Close — Range —
Q2 2013
Shares 72,000 Value ($000) $1,823 Avg Close — Range —