IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q3 2015

Shares 2,986 Value ($000) $227 Avg Close $84.77 Range $71.63 - $96.50

Q4 2014

Shares 6,193 Value ($000) $464 Avg Close $71.14 Range $60.75 - $77.99

Q3 2014

Shares 7,528 Value ($000) $518 Avg Close $67.37 Range $61.48 - $73.29

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	2,986	$227	$84.77	$71.63 - $96.50
Q4 2014	6,193	$464	$71.14	$60.75 - $77.99
Q3 2014	7,528	$518	$67.37	$61.48 - $73.29