ALLETE has entered an agreement to be acquired by a partnership led by Canada Pension Plan Investment Board and Global Infrastructure Partners and start the process to become a private company. Learn more at www.ALLETEforward.com.
Document

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.)
Filed by the Registrant x
Filed by a Party other than the Registrant o
Check the appropriate box:
oPreliminary Proxy Statement
oConfidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
oDefinitive Proxy Statement
xDefinitive Additional Materials
oSoliciting Material Pursuant to §240.14a-12
ALLETE, Inc.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the Registrant)
Payment of Filing Fee (Check the appropriate box):
xNo fee required.
oFee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.
(1)Title of each class of securities to which transaction applies:
(2)Aggregate number of securities to which transaction applies:
(3)Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):
(4)Proposed maximum aggregate value of transaction:
(5)Total fee paid:
oFee paid previously with preliminary materials.
oCheck box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.
(1)Amount Previously Paid:
(2)Form, Schedule or Registration Statement No.:
(3)Filing Party:
(4)Date Filed:




https://cdn.kscope.io/e6a9802d57f68f70373b1fdb47ca72e9-download1a.jpg
Shareowner Services
P.O. Box 64945
St. Paul, MN 55164-0945
ALLETE, INC.
ANNUAL MEETING OF SHAREHOLDERS
Tuesday, May 11, 2021
10:30 a.m. CDT
The meeting will be conducted solely via
live webcast. Please visit:
www.proxydocs.com/ALE.
Directions for how to attend the meeting
are available in the Notice and Proxy
Statement, which can be viewed at:
www.proxydocs.com/ALE

Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to be Held on May 11, 2021.
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 our 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 www.proxydocs.com/ALE.
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 29, 2021 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 and FOR Items 2 and 3. :
1.Election of Directors
Nominees:
1a. Kathryn W. Dindo 1e. Madeleine W. Ludlow 1h. Barbara A. Nick
1b. George G. Goldfarb 1f. Susan K. Nestegard 1i. Bethany M. Owen
1c. James J. Hoolihan 1g. Douglas C. Neve1j. Robert P. Powers
1d. Heidi E. Jimmerson
2. Advisory vote to approve executive compensation.
3. Ratify the selection of PricewaterhouseCoopers as ALLETE, Inc.’s independent registered accounting firm for 2021.
THIS IS NOT A FORM FOR VOTING
You may immediately vote your proxy via the Internet at:
www.proxypush.com/ALE.
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 www.investorelections.com/ALE. 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 paper@investorelections.com 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.