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Washington, D.C. 20549
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.)
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Shareowner Services
P.O. Box 64945
St. Paul, MN 55164-0945
Tuesday, May 10, 2022
10:30 a.m. CDT
The meeting will be conducted solely via
 live webcast. Please visit:
Directions for how to attend the meeting
are available in the Notice and Proxy
Statement, which can be viewed at:

Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to be Held on May 10, 2022.
Under Securities and Exchange Commission rules, you are receiving this Notice that the proxy material for the ALLETE, Inc. Annual Meeting of Shareholders are available on the Internet. Follow the instructions below to view and vote your shares online or to request a copy of the proxy materials.
This is not a form for voting. You cannot use this notice to vote your shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all the important information contained in the proxy materials before voting.
The Notice and Proxy Statement and the Annual Report are available at
If you want to receive a paper or email copy of the proxy materials, you must request one. There is no charge to you for requesting a copy. Please make your request for a copy of the proxy materials as instructed on the reverse side of this notice on or before April 28, 2022 to facilitate timely delivery.
Matters intended to be acted upon at the meeting are listed below.
The Board of Directors recommends that you vote FOR each Director Nominee included in Item 1,
FOR Item 2, FOR Item 3, and FOR Item 4:
1.Election of Directors
Director Nominees:
1a. George G. Goldfarb 1d. Susan K. Nestegard1g. Bethany M. Owen
1b. James J. Hoolihan 1e. Douglas C. Neve1h. Robert P. Powers
1c. Madeleine W. Ludlow 1f. Barbara A. Nick1i. Charlene A. Thomas
2. Advisory vote to approve executive compensation.
3. Approve an amendment to the ALLETE Non-Employee Director Stock Plan to increase the number of shares of Common Stock available for issuance under the plan.
4. Ratify the selection of PricewaterhouseCoopers LLC as ALLETE, Inc.’s independent registered accounting firm for 2022.
You may immediately vote your proxy via the Internet at:
Use the Internet to vote your proxy 24 hours a day, 7 days a week.
Please have this notice available. Follow the instructions to vote your proxy.
Your Internet vote authorizes the named proxies to vote your shares in the same manner as if you marked, signed and returned your proxy card.

To request paper copies of the proxy materials, which include the proxy card,
Notice and Proxy Statement, and Annual Report, please contact us via:

Internet/Mobile – Access the Internet and go to Follow the instructions
to log in, and order copies.
Telephone Call 1-866-870-3684 in the U.S. or Canada, using a touch-tone phone, and follow the instructions
to log in and order copies.
Email – Send an email to with “ALLETE, Inc. Materials Request” in the subject line. The email must include:
The 11-digit control number located in the box in the upper right hand corner on the front of this notice.
Your preference to receive printed materials via mail -or- to receive an email with links to the electronic materials.
If you choose email delivery, you must include the email address to which you want the proxy materials sent.
If you would like this election to apply to delivery of material for all future meetings, write the word “Permanent” and include the last four digits of your Social Security Number or Tax Identification Number in the email.