2009-11-23 22:38:01 -

Power-One, Inc. (NASDAQ:PWER), a leading provider of renewable energy and energy-efficient power conversion and power management solutions, today announced that Richard Thompson, Chief Executive Officer, will present at FBR Capital Markets Fall Investor Conference on December 1, 2009 at 2:20 PM 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 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 : .



Power-One, Inc.Kevin TrosianVice President, Investor
Relations805-383-5888