IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

ANCHOR CAPITAL ADVISORS LLC's Holding History (CIK: 0000813933)

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

Q4 2016

Shares 72,169 Value ($000) $7,124 Avg Close $93.27 Range $81.00 - $102.46

Q3 2016

Shares 87,022 Value ($000) $7,166 Avg Close $83.55 Range $76.64 - $88.76

Q2 2016

Shares 130,314 Value ($000) $10,425 Avg Close $87.94 Range $76.22 - $102.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	72,169	$7,124	$93.27	$81.00 - $102.46
Q3 2016	87,022	$7,166	$83.55	$76.64 - $88.76
Q2 2016	130,314	$10,425	$87.94	$76.22 - $102.90