MINE SAFETY APPLIANCES CO

CUSIP: 602720104 Class: COMMON STOCK

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q4 2013
Shares 84,000 Value ($000) $4,302 Avg Close — Range —
Q3 2013
Shares 40,000 Value ($000) $2,064 Avg Close — Range —
Q2 2013
Shares 40,000 Value ($000) $1,862 Avg Close — Range —