IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

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

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

Q2 2013

Shares 73,400 Value ($000) $2,919 Avg Close $31.24 Range $23.76 - $40.12

Q1 2013

Shares 108,400 Value ($000) $2,782 Avg Close $22.23 Range $19.18 - $25.76

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2013	73,400	$2,919	$31.24	$23.76 - $40.12
Q1 2013	108,400	$2,782	$22.23	$19.18 - $25.76