MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2013
Shares 87,064 Value ($000) $4,459 Avg Close — Range —
Q3 2013
Shares 83,682 Value ($000) $4,370 Avg Close — Range —
Q2 2013
Shares 79,819 Value ($000) $3,844 Avg Close — Range —