IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q3 2016

Shares 31,000 Value ($000) $1,363 Avg Close $39.19 Range $34.27 - $44.67

Q2 2016

Shares 31,000 Value ($000) $1,087 Avg Close $36.69 Range $33.90 - $39.00

Q1 2016

Shares 31,000 Value ($000) $1,094 Avg Close $32.55 Range $28.02 - $36.00

Q4 2015

Shares 31,000 Value ($000) $1,097 Avg Close $32.34 Range $28.27 - $37.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	31,000	$1,363	$39.19	$34.27 - $44.67
Q2 2016	31,000	$1,087	$36.69	$33.90 - $39.00
Q1 2016	31,000	$1,094	$32.55	$28.02 - $36.00
Q4 2015	31,000	$1,097	$32.34	$28.27 - $37.71