O2Gold Inc. — Proxy Solicitation & Information Statement 2024

Sep 5, 2024

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TSX TRUST COMPANY

VIA ELECTRONIC TRANSMISSION

September 4, 2024

TO ALL APPLICABLE EXCHANGES AND COMMISSIONS:

RE: O2GOLD INC.

We are pleased to confirm that copies of the following proxy-related materials were mailed on September 3, 2024 to the Registered Securityholders and to the Non-Objecting Beneficial Owners ("NOBO"):

1 Proxy - Registered Securityholders

• 2 Voting Instruction Form - NOBOs

• 3 Notice of Meeting and Management Information Circular (Including Financial Statements and MD & A)

• 4 Proxy Return Envelope

Yours truly,

TSX Trust Company

VANCOUVER

CALGARY

650 West Georgia Street, 300-5th Avenue SW, 10th floor Suite 2700 Calgary, AB T2P 3C4 Vancouver, BC V6B 4N9 T 604 689-3334 T 403 218-2800

MONTRÉAL

TORONTO

301 - 100 Adelaide Street West 1800 - 1190, avenue des Toronto ON M5H 4H1 Canadiens-de-Montréal, C. P. 37 Montréal (Québec) H3B 0G7

Toll Free 1-866-600-5869 T 416 361-0930

T 514 395-5964