International Battery Metals Ltd — Proxy Solicitation & Information Statement 2023

Nov 17, 2023

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Date: November 17, 2023

510 Burrard St, 3rd Floor Vancouver BC, V6C 3B9 www.computershare.com

To: All Canadian Securities Regulatory Authorities

Subject: INTERNATIONAL BATTERY METALS LTD. (Amended – See Highlighted)

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

Meeting Type : Annual General and Special Meeting Record Date for Notice of Meeting : December 08, 2023 Record Date for Voting (if applicable) : December 08, 2023 Beneficial Ownership Determination Date : December 08, 2023 Meeting Date : January 18, 2024 Meeting Location (if available) : Vancouver, BC Issuer sending proxy related materials directly to NOBO: Yes Issuer paying for delivery to OBO: No Notice and Access (NAA) Requirements: NAA for Beneficial Holders No NAA for Registered Holders No

Voting Security Details:

Description CUSIP Number ISIN COMMON 459121109 CA4591211095

Sincerely,

Computershare

Agent for INTERNATIONAL BATTERY METALS LTD.