MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

Birch Hill Investment Advisors LLC's Holding History (CIK: 0001424177)

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

Q4 2013
Shares 5,100 Value ($000) $261 Avg Close — Range —
Q3 2013
Shares 5,100 Value ($000) $263 Avg Close — Range —
Q2 2013
Shares 5,100 Value ($000) $237 Avg Close — Range —