<SUBMISSION>
<ACCESSION-NUMBER>0001111928-08-000038
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20080415
<ITEMS>5.02
<FILING-DATE>20080416
<DATE-OF-FILING-DATE-CHANGE>20080416
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>IPG PHOTONICS CORP
<CIK>0001111928
<ASSIGNED-SIC>3674
<IRS-NUMBER>043444218
<STATE-OF-INCORPORATION>DE
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-33155
<FILM-NUMBER>08759977
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<BUSINESS-ADDRESS>
<STREET1>50 OLD WEBSTER ROAD
<CITY>OXFORD
<STATE>MA
<ZIP>01540
<PHONE>5083731100
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<CITY>OXFORD
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<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>form8k.htm
<DESCRIPTION>IPG PHOTONICS CORPORATION FORM 8-K 4-15-08
<TEXT>
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D.C. 20549</font></div>
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8-K</font></div>
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REPORT</font></div>
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to Section&#160;13 or 15(d) of the Securities Exchange Act of 1934</font></div>
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2008</font></div>
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PHOTONICS CORPORATION</font></div>
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Compensatory Arrangements of Certain Officers</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;&#160;&#160;&#160;&#160;The
Compensation Committee (the &#8220;Committee&#8221;) of the Board of Directors of IPG
Photonics Corporation (the &#8220;Company&#8221;) has taken the actions described below
relating to the compensation of the &#8220;named executive officers,&#8221; as such term is
defined in Item&#160;402(a)(3) of Regulation&#160;S-K, of the Company as of
December&#160;31, 2007.</font></div>
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of the Company who are at least at the level of vice president or director are
eligible to receive awards under the Company&#8217;s Executive Short-Term Incentive
Plan (the &#8220;STIP&#8221;).&#160;&#160;&#160;<a name="FIS_SIGNATURES">On April&#160;15,
2008, the Compensation Committee identified two financial performance measures,
net sales and earnings before interest and taxes (excluding equity-based
compensation expenses), as determined under the STIP, and assigned a 50%
weighting factor to each performance measure.&#160;&#160;Upon the achievement of
the objectives for both performance measures determined by the Compensation
Committee, the Chief Executive Officer could receive a cash incentive payment
ranging from 28% (upon achievement of both minimum levels of performance) to 84%
(upon achievement of both maximum levels of performance) of base salary, and
other participants in the STIP could receive a cash incentive payment ranging
from 9% (upon achievement of both minimum levels of performance) to 56% (upon
achievement of both maximum levels of performance) of base salary. The financial
objectives were the same for all executive officers.&#160;&#160;No payments for
the financial measures would be made if the minimum objectives established by
the Compensation Committee in 2008 are not met.&#160;&#160;In addition, the
Compensation Committee approved a cash incentive payment of up to 19% for the
Chief Executive Officer and up to 13% for other executives based upon a review
of the individual performance and achievements of the respective executives in
2008.&#160;&#160;The Committee retains the ability, at its discretion, to adjust
the calculated cash incentive award for each participant and the calculation of
the performance measures.</a></font></div>
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