M3 Metals Corp. — Proxy Solicitation & Information Statement 2025

Jul 10, 2025

TMX

THE FUTURE IS YOURS TO SEE.

REVISED 1

TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

July 10, 2025

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE: M3 METALS CORP.
Confirmation of Notice of Record and Meeting Dates

We are pleased to confirm that Notice of Record and Meeting Dates was sent to The Canadian Depository for Securities.

We advise the following with respect to the upcoming Annual General Meeting of Security Holders for the subject issuer:

1. ISIN: CA55379R2063
2. Date Fixed for the Meeting: August 27, 2025
3. Record Date for Notice: July 3, 2025
4. Record Date for Voting: July 3, 2025
5. Beneficial Ownership Determination Date: July 3, 2025
6. Classes or Series of Securities that entitle the holder to receive Notice of the Meeting: COMMON SHARES
7. Classes or Series of Securities that entitle the holder to vote at the meeting: COMMON SHARES
8. Business to be conducted at the meeting: Annual General
9. Notice-and-Access:
10. Registered Shareholders: NO
11. Beneficial Holders: NO
12. Stratification Level: Not Applicable
13. Reporting issuer is sending proxy-related materials directly to Non-Objecting Beneficial Owners: YES
14. Issuer paying for delivery to Objecting Beneficial Owners: YES

Yours truly,
TSX Trust Company

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Calgary Alberta T2G 1S5
T 403 218-2800

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Toronto ON M5H 4H1
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MONTRÉAL
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Montréal (Québec) H3B 0G7
T 514 395-5964