For more information, contact:

Richard Roth, Vice President, Marketing Advanced Energy Industries, Inc. +1.970.407.6017

Advanced Energy Launches Ascent^® DC Power Supply Product Suite

Features Patented Arc Management System™ Technology for Unmatched
Reliability & Quality in High-Volume Production

FORT COLLINS, Colo., Sept. 2, 2010—Advanced Energy Industries, Inc. (NasdaqGM: AEIS), today announced the launch of the Ascent^® product line, a new suite of DC power supply systems designed to enable manufacturers to support the demand for exceptional reliability and robust performance. The new systems simplify power supply integration in a wide range of thin-film applications, including solar, flat panel display (FPD), industrial coatings, and web coatings. Already installed at several major thin-film manufacturers, new systems are now available worldwide in 30kW, 40kW, and 60kW models.

Dr. Hans Betz, chief executive officer of Advanced Energy, noted, “The new Ascent is part of a broad and growing range of products designed for the renewable energy industry. This expanding industry requires continuous innovation to achieve success in meeting technology and cost challenges. With nearly three decades of expertise in power control technology, Advanced Energy is well positioned to provide critical technology solutions to address these market needs. We expect the Ascent product suite to accelerate our presence in this growing market.”

The new Ascent suite has been optimized to deliver the highest levels of reliability and quality for thin-film manufacturing, while ensuring increased productivity and capital efficiency. Architected specifically to manage sensitive processes, the Ascent product line features patented Arc Management System™ technology to deliver reliable, stable and repeatable power throughout the manufacturing process. The result is outstanding film quality, productivity, throughput and yield. The new systems are currently in volume production and available for immediate shipment.

Advanced Energy will showcase its innovative thin-film technology and solar PV inverter solutions at the upcoming EU PVSEC conference and exhibition, scheduled September 6-9 in Valencia, Spain, at the Feria Valencia Convention & Exhibition Centre, Booth C56 & C57. In addition to the exhibit, the company will participate in the Balance of System Components forum on Tuesday, September 7, 2010, at 8:30 a.m. For more information on Advanced Energy’s Ascent DC power supply product line, please visit www.advancedenergy.com.

About Advanced Energy
Advanced Energy is a global leader in innovative power and control technologies for high-growth, thin-film manufacturing and solar-power generation. Advanced Energy is headquartered in Fort Collins, Colorado, with dedicated support and service locations around the world. For more information, go to www.advanced-energy.com.