MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2013
Shares 42,541 Value ($000) $2,179 Avg Close — Range —
Q3 2013
Shares 35,202 Value ($000) $1,817 Avg Close — Range —
Q2 2013
Shares 89,369 Value ($000) $4,160 Avg Close — Range —