For more information, contact:

Danny Herron
Advanced Energy Industries, Inc.
970.407.6570
danny.herron@aei.com
Annie Leschin/Vanessa Lehr
Advanced Energy Industries, Inc.
970.407.6555
ir@aei.com


Advanced Energy to Report Fourth Quarter and Full-Year 2011 Results on January 31st Before Market Open

FORT COLLINS, Colo., Jan. 17, 2012Advanced Energy Industries, Inc. (Nasdaq:AEIS) will release fourth quarter and full-year 2011 financial results after market on Monday, January 30, 2012. Management's quarterly conference call will be held on Tuesday, January 31, 2012, beginning at 6:30 a.m. Mountain Time / 8:30 a.m. Eastern Time.

To participate in the live conference call, please dial 888-713-4215 approximately five minutes prior to the start of the meeting, and an operator will connect you. International participants can dial 617-213-4867. Participants will need to provide the operator with conference pass code 60038080, which has been reserved for this call.

A live and archived webcast of the call will also be available on the company's website at www.advanced-energy.com 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 be available for 14 days following the webcast. To access the replay, dial 888-286-8010 or 617-801-6888 and enter pass code 45077705.

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. Founded in 1981, 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.