X0609 4 2026-07-01 0001786318 INTERNATIONAL BATTERY METALS LTD. IBATF 0001398355 MILLS JOSEPH A false 12 GREENWAY PLAZA SUITE 1100 HOUSTON TX 77046 true true false false Chief Executive Officer false Common Shares, no par value 2026-07-01 4 M false 1000000 0 A 1000000 D Resricted Share Units 2026-07-01 4 M false 1000000 0 D Common Stock, no par value 1000000 0 D Resricted Share Units Common Stock, no par value 2087683 2087683 D Performance Based Restricted Units Common Stock, no par value 2000000 2000000 D Performance Based Restricted Share Units Common Stock, no par value 500000 500000 D Performance Based Resricted Share Units Common Stock, no par value 4304525 4304525 D Performance Based Resricted Share Units Common Stock, no par value 2152262 2152262 D The Restricted Share Units ("RSUs") each represent a contingent right to receive one common share of International Battery Metals Ltd. (the "Issuer"). Represents Restricted Share Units ("RSUs") granted on April 7, 2025 under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan (as amended, the "Plan") and vests in full on July 1, 2026. Represents Restricted Share Units ("RSUs") granted on February 4, 2026, which will vest in full on February 4, 2027. The Performance Based Restricted Share Unit ("PBRSU") each represent a contingent right to receive one common share of International Battery Metals Ltd. (the "Issuer"). Represents Performance Based Restricted Share Units ("PBRSUs") granted on April 7, 2025, under the Plan, which shall vest upon completion of and deployment of two additional Direct Lithium Extraction Plants, subject to the terms of the associated Restricted Share Unit Agreement. Represents Performance Based Restricted Share Units granted on February 4, 2026, which will vest in full 60 days following the Issuer's successful listing on a major stock exchange. Represents Performance Based Restricted Share Units granted on February 4, 2026, of which, 50% shall vest upon the Issuer achieving an annualized EBITDA of $25 million and the remaining 50% shall vest upon the Issuer achieving an annualized EBITDA of $50 million. Represents Performance Based Restricted Share Units granted on February 4, 2026, of which, 50% shall vest upon the Issuer achieving a $750 million market capitalization over a 60 day volume weighted average trading price and the remaining 50% shall vest upon the Issuer achieving $1.5 billion market capitalization over a 60 day volume weighted average trading price. /s/ Norma Garcia, Attorney-in-Fact 2026-07-01