MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2013
Shares 27,500 Value ($000) $1,408 Avg Close — Range —
Q3 2013
Shares 27,500 Value ($000) $1,419 Avg Close — Range —
Q2 2013
Shares 28,900 Value ($000) $1,345 Avg Close — Range —