MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

STRS OHIO's Holding History (CIK: 0000820478)

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

Q4 2013
Shares 13,700 Value ($000) $702 Avg Close — Range —
Q3 2013
Shares 26,500 Value ($000) $1,368 Avg Close — Range —
Q2 2013
Shares 27,600 Value ($000) $1,285 Avg Close — Range —