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CUSIP: 629491101 Class: COM

Retirement Systems of Alabama's Holding History (CIK: 0001593051)

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

Q3 2013
Shares 144,590 Value ($000) $6,070 Avg Close — Range —
Q2 2013
Shares 143,615 Value ($000) $5,946 Avg Close — Range —
Q1 2013
Shares 142,505 Value ($000) $5,506 Avg Close — Range —