BLACK BOX CORP DEL

CUSIP: 091826107 Class: COMMON STOCK

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2017
Shares 30,449 Value ($000) $273 Avg Close — Range —
Q4 2016
Shares 30,849 Value ($000) $470 Avg Close — Range —
Q3 2016
Shares 31,649 Value ($000) $440 Avg Close — Range —
Q2 2016
Shares 31,449 Value ($000) $411 Avg Close — Range —
Q1 2016
Shares 32,813 Value ($000) $442 Avg Close — Range —
Q4 2015
Shares 28,463 Value ($000) $271 Avg Close — Range —
Q3 2015
Shares 27,962 Value ($000) $412 Avg Close — Range —
Q2 2015
Shares 28,062 Value ($000) $561 Avg Close — Range —
Q1 2015
Shares 28,302 Value ($000) $592 Avg Close — Range —
Q4 2014
Shares 28,802 Value ($000) $688 Avg Close — Range —
Q3 2014
Shares 28,679 Value ($000) $669 Avg Close — Range —
Q2 2014
Shares 28,416 Value ($000) $666 Avg Close — Range —
Q1 2014
Shares 29,216 Value ($000) $711 Avg Close — Range —
Q4 2013
Shares 29,216 Value ($000) $871 Avg Close — Range —
Q3 2013
Shares 29,016 Value ($000) $889 Avg Close — Range —
Q2 2013
Shares 28,113 Value ($000) $712 Avg Close — Range —
Q1 2013
Shares 28,779 Value ($000) $628 Avg Close — Range —