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Power Integrations to Announce First-Quarter Financial Results on May 2

/ Source: GlobeNewswire

SAN JOSE, Calif., April 12, 2011 (GLOBE NEWSWIRE) -- Power Integrations (Nasdaq:POWI) will announce its financial results for the first quarter of 2011 after market hours on Monday, May 2, 2011. The company will conduct a conference call beginning at 1:45 p.m. Pacific time. Members of the investment community can join the call by dialing 1-877-303-9795 from within the United States or 1-631-291-4581 from outside the U.S. Live and archived audio webcasts of the conference call will be available on the investor-relations page of the company's website, .

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 $4.6 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 .

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.

CONTACT: Joe Shiffler Power Integrations, Inc. (408) 414-8528 jshiffler@powerint.com