McEwen Inc. — Proxy Solicitation & Information Statement 2026

Apr 24, 2026

McEWEN INC.
NYSE MUX TOL
VOTE
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DESIGNATION (IF ANY)
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Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas.
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Your vote matters – here’s how to vote!

You may vote online or by phone instead of mailing this card.

Votes submitted electronically must be received by 3:00 p.m., Eastern Time, on June 4, 2026.

Online
Go to www.envisionreports.com/MUX
or scan the QR code – login details are located in the shaded bar below.

Phone
Call toll free 1-800-652-VOTE (8683) within the USA, US territories and Canada

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Sign up for electronic delivery at www.envisionreports.com/MUX

Annual Meeting Proxy Card

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▼ IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. ▼

1 Proposals – THE BOARD OF DIRECTORS RECOMMENDS THAT THE SHAREHOLDERS VOTE “FOR” THE ELECTION OF EACH OF THE NOMINEES FOR DIRECTOR, AND “FOR” PROPOSALS 2 AND 3.

1. Election of Directors:

01 - Robert R. McEwen
02 - Dalia Asterbadi
03 - Ian J. Ball
04 - Richard W. Brissenden
05 - Alfred Colas
06 - Nicolas Darveau-Garneau
07 - John Florek
08 - Steve Kaszas
09 - Michelle Makori
10 - Michael Melanson
11 - William M. Shaver

☐ Mark here to vote FOR all nominees
☐ Mark here to WITHHOLD vote from all nominees

For All EXCEPT - To withhold a vote for one or more nominees, mark the box to the left and the corresponding numbered box(es) to the right.
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☐ For All EXCEPT - To withhold a vote for one or more nominees, mark the box to the left and the corresponding numbered box(es) to the right.
☐ For Against Abstain

1. To ratify the appointment of Ernest & Young LLP as the Company's independent registered public accounting firm for the year ending December 31, 2026.
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2. To approve the issuance of shares of the Company's common stock to Mr. McEwen, pursuant to an Arrangement Agreement between the Company and Canadian Gold Corp., in accordance with NYSE Listing Rule 312.03(b)(i).
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3. To transact such other business as may properly come before the meeting or any adjournment thereof.
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2 Authorized Signatures – This section must be completed for your vote to count. Please date and sign below.

Please sign exactly as your name appears on this card. When shares are held by joint tenants, both should sign. If signing as attorney, guardian, executor, administrator or trustee, please give full title as such. If a corporation, please sign in the corporate name by the president or other authorized officer. If a partnership, please sign in the partnership name by an authorized person.

Date (mm/dd/yyyy) – Please print date below.
Signature 1 – Please keep signature within the box.
Signature 2 – Please keep signature within the box.

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The 2026 Annual Meeting of Shareholders of McEwen Inc. will be held on Thursday, June 4, 2026 at 4:30 p.m. ET, at 150 King Street West, 27th Floor, Toronto, Ontario M5H 1J9. The Annual Meeting will also be webcast for informational and Q&A purposes only.

To attend the meeting in person, you must have photo identification and, if you are not the holder of record, you must also have proof of beneficial ownership of common stock or a valid proxy executed by the holder of record. To access the webcast you must register at https://vantagevenues.zoom.us/webinar/register/WN_voXdh5dbRSKwcaMLWmV2Yq#/registration.

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IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE.

Proxy – McEwen Inc.

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THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

The undersigned, having duly received the Notice of Annual Meeting and the proxy statement dated April 24, 2026, hereby revokes any and all proxies previously granted and appoints Robert R. McEwen and Carmen L. Diges or either of them, as proxies (each with the power to act alone and with the power of substitution and revocation) to represent the undersigned and to vote, as designated herein, all shares of common stock of McEwen Inc. held of record by the undersigned on April 20, 2026, at the Annual Meeting of Shareholders to be held on June 4, 2026 at 4:30 p.m. Eastern Time in person at 150 King Street West, 27th Floor, Toronto, Ontario M5H 1J9, and at any adjournment thereof.

This proxy, when properly executed, will be voted in the manner directed on the proxy by the undersigned shareholder. IF NO DIRECTION IS MADE, THIS PROXY WILL BE VOTED FOR THE LISTED DIRECTORS, FOR THE RATIFICATION OF ERNST & YOUNG LLP AS THE COMPANY'S INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR THE YEAR ENDING DECEMBER 31, 2026 AND FOR THE APPROVAL OF THE ISSUANCE OF SHARES OF COMMON STOCK TO MR. MCEWEN PURSUANT TO AN ARRANGEMENT AGREEMENT IN ACCORDANCE WITH NYSE LISTING RULE 312.03(b)(i).

PLEASE MARK, SIGN, DATE AND RETURN THIS PROXY CARD PROMPTLY USING THE ENCLOSED RETURN ENVELOPE OR IF YOU ARE ELIGIBLE FOR AND PREFER INTERNET OR TELEPHONE VOTING, PLEASE RETURN YOUR PROXY BY FOLLOWING THE INSTRUCTIONS ON THE REVERSE SIDE OF THIS CARD.

(Items to be voted appear on reverse side)

C Non-Voting Items

Change of Address – Please print new address below.

IF VOTING BY MAIL, YOU MUST COMPLETE SECTIONS A - C ON BOTH SIDES OF THIS CARD.