MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2013
Shares 1,176 Value ($000) $60 Avg Close — Range —
Q3 2013
Shares 4,172 Value ($000) $215 Avg Close — Range —
Q2 2013
Shares 2,143 Value ($000) $100 Avg Close — Range —