PWER Power-One, Inc. (MM)

Power-One, Inc. (Nasdaq:PWER), a leading provider of renewable energy and energy-efficient power conversion and power management solutions, today announced the expansion of ABC and MBC families of open-frame products, adding ten new models to the portfolio.

The ABC family of industrial open-frame power supplies is now available from 40W to 400W and offers high convection ratings and industry-leading power density. With single and multiple output voltages ranging from 5 to 48Vdc, the ABC products cover a wide variety of applications targeted for process control, factory automation, test and measurement, and other Industrial markets.

The MBC family of medical open-frame power supplies is now available from 40W to 300W and offers 3rd edition medical approvals and 2xMOPP isolation. The broad offering includes class 1 and class 2 models and are ideal for drug pumps, ultrasound equipment, monitoring equipment, home health-care equipment, and many more medical applications.

The expansion of the ABC and MBC families of products represents a significant refresh to the existing open-frame offering. The new portfolio puts Power-One in a leading position to meet power conversion needs in low to medium power Industrial and Medical applications.

If you are interested in details of this power supply or any of Power-One's industry leading high efficiency and high reliability products, please contact your local Power-One Sales Representative www.power-one.com/corporate/contact/power for more information.

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. Please visit www.power-one.com for more information.

CONTACT: Corporate Contact:
         Steve Dawson
         Director, Product Marketing
         Power-One, Inc.
         steve.dawson@power-one.com
         
         Investor Relations Contact:
         Larry Clark
         Investor Relations for Power-One
         investor.relations@power-one.com
         (310) 478-2700 ext. 29