For more information, contact:

Danny Herron
Advanced Energy Industries, Inc.
Annie Leschin/Vanessa Lehr
Advanced Energy Industries, Inc.

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

FORT COLLINS, Colo., Jan. 17, 2012—Advanced 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 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