For more information, contact:

Jim Donaldson Advanced Energy Industries, Inc. 970.407.6374

Marna Shillman Advanced Energy Industries, Inc. 970.407.6280 marna.shillman@aei.com

Advanced Energy Names Bruce Donsker Senior Account Manager

Milpitas, California (August 23, 1999) – Advanced Energy Industries, Inc. (Nasdaq NM: AEIS) has named Bruce Donsker Senior Account Manager for Novellus. Mr. Donsker will have responsibility for all account management activities associated with AE’s on-going business relationship with Novellus.

 

Mr. Donsker has more than 25 years of experience in the semiconductor equipment industry, having served in a number of key sales and marketing management positions. Prior to coming to Advanced Energy, Mr. Donsker was responsible for building the sales, marketing, and customer service organizations for the Implant Center. Prior to that Mr. Donsker held various sales and marketing management positions at KLA, Silicon Valley Group, and ASML. AE’s Western Regional Sales Manager, Allen Vallei said, “The addition of a person with Bruce’s extensive background to our account management team reflects a commitment by Advanced Energy to build long-term relationships with its customers. We are very excited to have Bruce on board.”

Advanced Energy is a worldwide leader in the development and marketing of process power conversion and control system solutions. Customers throughout the world use Advanced Energy’s products where thin film deposition and etch are critical steps in their manufacturing processes. These include the manufacture of semiconductors, CD-ROMs, DVDs, compact disks, flat panel displays, disk drives, optical and architectural glass. In addition, Advanced Energy provides the process power solutions of choice to a growing number of industrial and commercial applications in the automotive, food packaging and tool industries. Founded in 1981, AE is a publicly held company traded on Nasdaq under the symbol AEIS.