ALLETE to Announce Second Quarter Financial Results August 4

ALLETE Inc. (NYSE:ALE) will announce its financial results for the second quarter before the stock markets open on Wednesday, August 4, 2021.

Following the release, ALLETE Chair, President and Chief Executive Officer Bethany M. Owen, Senior Vice President and Chief Financial Officer Robert J. Adams, and Vice President, Controller and Chief Accounting Officer Steven W. Morris 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 [phone] using passcode 9589033, or by accessing the webcast on ALLETE’s website, www.allete.com.

A replay of the call will be available through August 11, 2021, by dialing [phone], conference identification number 9589033. The webcast will be accessible for one year at www.allete.com.

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, BNI Energy in Bismarck, 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

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Investor Contact: Vince Meyer 218-723-3952 [e-mail]