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CUSIP: 629491101 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q3 2013
Shares 40,600 Value ($000) $1,704 Avg Close — Range —
Q2 2013
Shares 37,400 Value ($000) $1,548 Avg Close — Range —