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CUSIP: 629491101 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q3 2013
Shares 98,812 Value ($000) $4,148 Avg Close — Range —
Q2 2013
Shares 98,712 Value ($000) $4,087 Avg Close — Range —