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CUSIP: 629491101 Class: COM

CONNING INC.'s Holding History (CIK: 0000801051)

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

Q3 2013
Shares 12,700 Value ($000) $533 Avg Close — Range —
Q2 2013
Shares 5,510 Value ($000) $228 Avg Close — Range —