MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2013
Shares 11,468 Value ($000) $587 Avg Close — Range —
Q3 2013
Shares 11,468 Value ($000) $592 Avg Close — Range —
Q2 2013
Shares 11,468 Value ($000) $534 Avg Close — Range —