IPG PHOTONICS CORP

Ticker: IPGP CUSIP: 44980X109 Class: Common Stock

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2013

Shares 6,900 Value ($000) $536 Avg Close $67.99 Range $56.44 - $79.00

Q3 2013

Shares 12,300 Value ($000) $693 Avg Close $58.50 Range $53.28 - $67.81

Q2 2013

Shares 6,500 Value ($000) $395 Avg Close $61.08 Range $54.32 - $67.24

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	6,900	$536	$67.99	$56.44 - $79.00
Q3 2013	12,300	$693	$58.50	$53.28 - $67.81
Q2 2013	6,500	$395	$61.08	$54.32 - $67.24