For more information, contact:

Annie Leschin/Vanessa Lehr
Advanced Energy Industries, Inc.
970-407-6555
ir@aei.com



Advanced Energy Schedules First Quarter 2011 Earnings Call on May 3, Before Market Open


FORT COLLINS, Colo., April 18, 2011—
Advanced Energy Industries, Inc. (Nasdaq: AEIS) will release first quarter 2011 financial results after market on Monday, May 2, 2011. Management's quarterly company update will be held on May 3, 2011, beginning at 6:30 a.m. Mountain Time / 8:30 a.m. Eastern Time.


To participate in the live conference call, please dial 800-299-6183 approximately five minutes prior to the start of the meeting, and an operator will connect you. International participants can dial 617-801-9713. Participants will need to provide the operator with the conference pass code, 79453281, which has been reserved for this call.

A live and archived webcast of the call will also be available on the company’s website. To access the webcast, please visit the Investor Relations section of Advanced Energy’s corporate website at http://ir.advanced-energy.com, and link to the Q1 2011 Webcast on the Investor Relations Home Page. The archived webcast will be available at the same location approximately two hours following the end of the live event.

A telephone replay will also be available for 14 days following the webcast. To access the replay, dial 888-286-8010 or 617-801-6888 and enter pass code 53673618.

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.

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Source: Advanced Energy Industries, Inc.