MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2013
Shares 102,320 Value ($000) $5,240 Avg Close — Range —
Q3 2013
Shares 12,560 Value ($000) $648 Avg Close — Range —
Q2 2013
Shares 12,220 Value ($000) $569 Avg Close — Range —