ALLETE Vice President and Treasurer Donald W. Stellmaker to Retire at the End of 2015

ALLETE, Inc. (NYSE:ALE) today announced the planned retirement of ALLETE Vice President and Treasurer Donald W. Stellmaker. As part of an orderly transition, Stellmaker will remain at the company through the end of 2015.

“Don has left a legacy of financial discipline and strength to the organization through his leadership, integrity and high ethical standards,” said ALLETE - Senior Vice President and Chief Financial Officer Steven Q. DeVinck.

Stellmaker joined ALLETE in 1980 as an electric load forecast analyst for the corporation’s utility division, Minnesota Power. A graduate of the University of Minnesota-Duluth with a Master’s degree in business administration, Stellmaker became a market research analyst at Minnesota Power in 1984 and was named a financial analyst the following year.

He later served as supervisor, manager and director of corporate financial planning at ALLETE as the Duluth-based energy company diversified into telecommunications, water utilities, automotive services and real estate. Stellmaker was appointed treasurer of ALLETE in July of 2004 and was named a vice president of the corporation in 2011.

ALLETE is an energy company headquartered in Duluth, Minn. In addition to its electric utilities, Minnesota Power and Superior Water, Light and Power of Wisconsin, ALLETE owns ALLETE Clean Energy, based in Duluth, U.S. Water Services headquartered in St. Michael, Minn., BNI Coal in Center, N.D., and has an eight percent equity interest in the American Transmission Co. More information about ALLETE is available at www.allete.com. ALE-CORP

The statements contained in this release and statements that ALLETE may make orally in connection with this release that are not historical facts, are forward-looking statements. Actual results may differ materially from those projected in the forward-looking statements. These forward-looking statements involve risks and uncertainties and investors are directed to the risks discussed in documents filed by ALLETE with the Securities and Exchange Commission.

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ALLETE, Inc.Investor Contact:Vince Meyer, [e-mail]