File: '\\swfile\EmailIn\20241213 093742 Attachment 20241213 GVR AGM Mailing.docx'

GROSVENOR CONFIRMS AVAILABILITY OF ANNUAL MEETING MATERIALS

Vancouver, B.C., December 13th, 2024 - Grosvenor Resource Corporation (TSX.V: GVR) ("Grosvenor" or "the Company") announces that it confirms the availability of its Annual Meeting Materials.

Due to the continuing Canadian postal strike, the information circular and related materials for Grosvenor's next annual general meeting being held on January 9th, 2025, are posted under the Company's profile on SEDAR+ and on the Company's website. Shareholders of the Company are encouraged to access the meeting materials directly through the above-mentioned websites or may contact Company to request electronic copies of the meeting materials. In the event that the postal strike ends prior to the meeting, the Company will mail the meeting materials in the ordinary course but, there can be no assurance that the meeting materials will be received by shareholders prior to the meeting.

E-mails providing a proxy with the voting control number and instructions for voting will be sent by the Company's transfer agent, Computershare, to registered shareholders for whom Computershare has an e-mail address. Registered shareholders who do not receive an e-mail from Computershare with their proxy by record date, should contact Computershare's investor centre at 1-800-564-6253 (8:30 a.m. to 8:30 p.m. EST; Monday to Friday) to request their proxies and voting control numbers.

Non-objecting beneficial shareholders (NOBOs) should contact Computershare at 1-800-564-6253 to request their voting instruction forms (VIFs) with voting control numbers and instructions for voting.

Objecting beneficial shareholders (OBOs) should contact their investment advisor to request VIFs, voting control numbers and instructions for voting.

On behalf of the Board of Directors,

Ian Rozier, M.Sc, P.Eng (Non-Practising)

Director & Chief Executive Officer

604-685-6851

Email: info@gvrresource.com

Neither the TSX Venture Exchange (the "TSXV") nor its Regulation Services Provider (as that term is defined in the policies of the TSXV) has reviewed, nor do they accept responsibility for the adequacy or accuracy of, this release