Power-One, Inc. (Power-One) is a designer and manufacturer of power conversion and power management products, primarily for the communications and server/storage infrastructure equipment, industrial applications, high-end consumer and industrial appliances, and renewable energy markets. The Company’s products are used to convert, process and manage electrical energy, in both alternating current (AC) and direct current (DC) form. In the renewable energy market, Power-One sells inverters primarily for roof-top solar applications. During the year ended December 31, 2008, the Company expanded its product line to include central solar inverters. Power-One sells its power conversion and power management products to a diversified group of equipment manufacturers, including contract manufacturers.