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Thomas K. Werning, 42, was named vice president of finance, and will oversee all aspects of the company's worldwide finance organization. Mr. Werning was most recently senior vice president, chief operating officer and chief financial officer at Cirilium Corporation. Prior, he was vice president of finance and operations at Hypercom Network Systems, and earlier, the European controller for Marion Merrell Dow. His background covers all areas of finance and operations, strategic planning, financial analysis and organizational development.

Scott B. Burton, 41, was named senior vice president of worldwide operations, and will be responsible for the company's manufacturing, outsourcing and supply chain management programs. Mr. Burton has over 17 years of experience with Seagate, IBM, and Conner Peripherals in senior operations, planning, and business development positions. Most recently, he was vice president of operations for Seagate's Far East Operations, where he led the company's supply chain and six sigma quality initiatives.

Joseph P. Kovach, 42, was named vice president and chief information officer, and will be responsible for the coordination of Advanced Energy's worldwide information technology infrastructure. Mr. Kovach joins Advanced Energy from Interlink Group, a privately held software development and network infrastructure consulting firm, where he was chief operating officer since November 2000. Prior, he was senior vice president and chief information officer at R.L. Polk & Co. and earlier, he held management positions at Electronic Data Systems in operations and information technology.

Doug Schatz, Advanced Energy's chairman and chief executive officer, said, "We are pleased to welcome Tom, Scott and Joe to the Advanced Energy team. We expect their extensive operations and organizational planning backgrounds to have an important impact on our strategic initiatives."

About Advanced Energy
Advanced Energy is a global leader in the development, marketing and support of components and sub-systems critical to plasma-based manufacturing processes used in the production of semiconductors, flat panel displays, data storage products, compact discs, digital video discs, architectural glass, and other applications that require precise thin-film processes.

AE offers a comprehensive line of technology solutions in power, flow and thermal management, plasma and ion beam sources, and integrated process monitoring and control to original equipment manufacturers (OEMs) and end-users around the world.

AE operates in regional centers in North America, Asia and Europe, and offers global sales and support through direct offices, representatives and distributors. Founded in 1981, AE is a publicly-held company traded on Nasdaq National Market under the symbol AEIS. For more information, please visit our corporate website: www.advanced-energy.com.