MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q4 2013
Shares 22,553 Value ($000) $1,154 Avg Close — Range —
Q3 2013
Shares 24,753 Value ($000) $1,277 Avg Close — Range —
Q2 2013
Shares 24,053 Value ($000) $1,119 Avg Close — Range —
Q1 2013
Shares 23,853 Value ($000) $1,183 Avg Close — Range —