NYSE EURONEXT

CUSIP: 629491101 Class: COM

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

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

Q3 2013
Shares 32,000 Value ($000) $1,343 Avg Close — Range —
Q2 2013
Shares 32,000 Value ($000) $1,325 Avg Close — Range —