IPG Photonics Corporation Postpones Release of Third-Quarter 2012 Financial Results to October 31 Due to Weather Emergency

Conference Call Rescheduled for October 31 at 10 a.m. ET

OXFORD, Mass.--(BUSINESS WIRE)--IPG Photonics Corporation (NASDAQ: IPGP) today announced that, due to the weather-related emergency on the East Coast, the Company plans a one-day delay in the release of its third-quarter 2012 financial results. The Company now plans to release its results before the market opens on Wednesday, October 31 and hold a conference call that morning at 10:00 a.m. ET.

To listen to a live webcast of the call, please visit the Company’s website at http://investor.ipgphotonics.com/. Individuals may also listen to the call via telephone by dialing [phone] or [phone]. Interested parties unable to participate in the live call may access an archived version of the webcast for one year in the “Investors” section of IPG’s website.

About IPG Photonics Corporation

IPG Photonics Corporation is the world leader in high-power fiber lasers and amplifiers. Founded in 1990, IPG pioneered the development and commercialization of optical fiber-based lasers for use in diverse applications, primarily materials processing. Fiber lasers have revolutionized the industry by delivering superior performance, reliability and usability at a lower total cost of ownership compared with conventional lasers, allowing end users to increase productivity and decrease operating costs. IPG has its headquarters in Oxford, Massachusetts, and has additional plants and offices throughout the world. For more information, please visit www.ipgphotonics.com.