Power-One, Inc. (NASDAQ:PWER), a leading provider of renewable energy and energy-efficient power conversion and power management solutions, today announced that Linda Heller, Chief Financial Officer, will present at the Piper Jaffray Clean Technology & Renewables Conference on February 23, 2010 at 9:30 AM Eastern Standard Time. This event will be held in New York City.

A live webcast and replay of the presentation will be available over the Internet through Power One’s Investor Relations web site at http://investor.power-one.com. Please go to the web site at least 15 minutes early to register, download and install any necessary software.

About Power-One

Power-One designs and manufactures energy-efficient power conversion and power management solutions for alternative/renewable energy, routers, data storage and servers, wireless communications, optical networking, medical diagnostics, military, railway controls, semiconductor test equipment, and custom applications. Power-One, with headquarters in Camarillo, CA, has global sales offices, manufacturing, and R&D operations in Asia, Europe, and the Americas. For information on Power-One and its products, visit the Company’s Web site at www.power-one.com.

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