IROBOT CORP

Ticker: IRBTQ CUSIP: 462726100 Class: COM

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q3 2017

Shares 140,641 Value ($000) $10,838 Avg Close $91.53 Range $72.63 - $109.78

Q2 2017

Shares 183,402 Value ($000) $15,431 Avg Close $86.24 Range $65.00 - $104.61

Q1 2017

Shares 258,682 Value ($000) $17,109 Avg Close $59.15 Range $52.12 - $66.24

Q4 2016

Shares 313,035 Value ($000) $18,297 Avg Close $52.18 Range $42.06 - $60.86

Q3 2016

Shares 397,011 Value ($000) $17,461 Avg Close $39.19 Range $34.27 - $44.67

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	140,641	$10,838	$91.53	$72.63 - $109.78
Q2 2017	183,402	$15,431	$86.24	$65.00 - $104.61
Q1 2017	258,682	$17,109	$59.15	$52.12 - $66.24
Q4 2016	313,035	$18,297	$52.18	$42.06 - $60.86
Q3 2016	397,011	$17,461	$39.19	$34.27 - $44.67