MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

TEXAS PERMANENT SCHOOL FUND CORP's Holding History (CIK: 0001223779)

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

Q4 2013
Shares 33,261 Value ($000) $1,703 Avg Close — Range —
Q3 2013
Shares 33,453 Value ($000) $1,727 Avg Close — Range —
Q2 2013
Shares 34,984 Value ($000) $1,629 Avg Close — Range —
Q1 2013
Shares 34,969 Value ($000) $1,735 Avg Close — Range —