For more information, contact:

Advanced Energy Celebrates Grand Opening of New Production Facility Dedicated to Solar Technology

Expands Advanced Energy’s Solaron^® PV Inverter Manufacturing Capacity in Response to Market Adoption

FORT COLLINS, Colo., Dec. 16, 2009—Advanced Energy Industries, Inc. (NasdaqGM: AEIS), today announced the grand opening of a new production facility in Fort Collins, Colorado. The state-of-the-art, 48,000 square-foot facility was designed to meet emerging trends in the solar industry. The facility includes design and development capabilities focused on next-generation solar inverter technology, as well as a scalable manufacturing model to meet the growing demand for its products. The new production facility is currently configured to produce 250 megawatts of Solaron^® PV grid-tie inverter products annually and is expandable to a capacity of more than one gigawatt. The company is marking the opening of the facility with a special celebration at the new site later today.

Hans Betz, president and CEO, said, “Our investments in solar technology and operational excellence have resulted in the award-winning Solaron inverter product line, which is already delivering compelling benefits for our customers. These products, combined with the company’s service and support leadership, have garnered strong customer satisfaction by significantly reducing the levelized cost of energy (LCOE). This new investment in expanded manufacturing capacity demonstrates our commitment to the renewable energy business and our confidence in future growth.”

Doug Hutchinson, mayor of Fort Collins, noted, “It is exciting to see one of our local companies successfully diversify into the renewables industry. Clean energy is a key element of Colorado’s economic future, and the innovations developed by Advanced Energy and others in the region will put us at the forefront of the new energy economy.”

For more information on Advanced Energy’s Solaron inverter solutions, please visit www.aesolaron.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.