IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

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

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

Q1 2014
Shares 50,000 Value ($000) $2,053 Avg Close $40.05 Range $32.93 - $48.36