IPG Photonics Corporation (NASDAQ: IPGP) today announced that its Chief Financial Officer, Tim Mammen, and Vice President & Corporate Controller, Tom Burgomaster, will be presenting at the Barclays Global Technology, Media and Telecommunications Conference on Tuesday, May 22, 2012 at 10:45 a.m. ET. The conference is being held May 22-23 at the Sheraton New York Hotel & Towers. A live audio webcast of the presentation will be available through the “ Investors” section of IPG’s website at www.ipgphotonics.com. For those unable to listen to the live webcast, an archive of the presentation will be available on the Company’s website for approximately 90 days. 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.