NYSE EURONEXT

CUSIP: 629491101 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2013
Shares 361,015 Value ($000) $15,155 Avg Close — Range —
Q2 2013
Shares 354,918 Value ($000) $14,694 Avg Close — Range —