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CUSIP: 629491101 Class: COM

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q3 2013
Shares 1,048,259 Value ($000) $44,006 Avg Close — Range —
Q2 2013
Shares 765,739 Value ($000) $31,701 Avg Close — Range —