PENTAIR LTD

CUSIP: H6169Q108 Class: PNR

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

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

Q1 2014
Shares 80,506 Value ($000) $6,387 Avg Close — Range —
Q4 2013
Shares 81,006 Value ($000) $6,292 Avg Close — Range —
Q3 2013
Shares 81,006 Value ($000) $5,261 Avg Close — Range —
Q2 2013
Shares 83,006 Value ($000) $4,789 Avg Close — Range —