ALLETE to Announce First Quarter Financial Results May 2

DULUTH, Minn.-ALLETE, Inc. (NYSE:ALE) will announce its financial results for the first quarter of 2012 before the stock markets open on Wednesday, May 2, 2012.

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 4, 2012 by dialing (855) 859-2056, pass code 69662300. The webcast will be accessible for one year at www.allete.com.

ALLETE's corporate headquarters are in Duluth, Minnesota. In addition to its electric utilities, Minnesota Power in northeast Minnesota and Superior Water, Light & Power Co. in northwest Wisconsin, ALLETE owns BNI Coal in Center, N. D. and ALLETE Clean Energy.

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