ALLETE to announce first quarter financial results May 8

DULUTH, Minn.-ALLETE, Inc. (NYSE:ALE) will announce its financial results for the first quarter of 2013 before the stock markets open on Wednesday, May 8, 2013.

Following the release, ALLETE Chairman, President and Chief Executive Officer Alan R. Hodnik and Chief Financial Officer Mark A. Schober will present an overview of results and discuss other factors affecting performance during a conference call beginning at 10 a.m. Eastern time.

Interested parties may listen to the conference live by calling (877) 303-5852, or by accessing the webcast on ALLETE's Web site, www.allete.com.

A replay of the call will be available through May 10, 2013 by dialing (855) 859-2056, pass code 31733644. The webcast will be accessible for one year at www.allete.com.

ALLETE, Inc. is an energy company headquartered in Duluth, Minn. ALLETE's energy businesses include Minnesota Power, Superior Water, Light & Power Co., BNI Coal, and ALLETE Clean Energy. More information about the company is available at www.allete.com.

Investor Contact:
Tim Thorp
218-723-3953
tthorp@allete.com