Power Integrations to Webcast Investor Presentation from JMP Conference

SAN JOSE, Calif.--(BUSINESS WIRE)--Power Integrations (Nasdaq: POWI) today announced that Balu Balakrishnan, the company’s president and CEO, will be presenting at the JMP Securities Research Conference in San Francisco on Tuesday, May 10, 2011 at 3:30 p.m. Pacific time. A live webcast of the presentation will be available via the “investor info” page of the company’s website, http://investors.powerint.com.

About Power Integrations

Power Integrations is the leading supplier of high-voltage integrated circuits used in energy-efficient power conversion. The company's innovative technology enables compact, energy-efficient power supplies in a wide range of electronic products, in AC-DC, DC-DC and LED lighting applications. Since its introduction in 1998, Power Integrations' EcoSmart™ energy-efficiency technology has saved an estimated $4.7 billion of standby energy waste and prevented millions of tons of CO₂ emissions. The company's Green Room web site provides a wealth of information about "energy vampires" and the issue of standby energy waste, along with a comprehensive guide to energy-efficiency standards around the world. Reflecting the environmental benefits of EcoSmart technology, Power Integrations’ stock is included in The Cleantech Index^® and the NASDAQ^® Clean Edge^® Green Energy Index. For more information, please visit www.powerint.com.

Power Integrations, EcoSmart and the Power Integrations logo are trademarks or registered trademarks of Power Integrations, Inc. All other trademarks are property of their respective owners.