IBATF · International Battery Metals Ltd.

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.

Each Restricted Share Unit ("RSU") represents a contingent right to receive one Common Share.

Represents RSUs granted on June 19, 2026, under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan. These share will vest in accordance with the following schedule: 246,841 units vest on June 19, 2027, 246,841 units vest on June 19, 2028, and 246,842 units vest on June 19, 2029.

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 June 2, 2025, under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan (as amended, the "Plan"), which vests in full on June 15, 2026. Each RSU represents a contingent right to receive one Common Share.

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 June 2, 2025, under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan (as amended, the "Plan"), which vests in full on June 2, 2026. Each RSU represents a contingent right to receive one Common Share.

Represents the number of shares withheld by the Issuer to satisfy the tax withholding obligations incurred by the reporting person as a result of the shares received on June 2, 2026.

The Restricted Share Units ("RSUs") each represent a contingent right to receive one common share of International Battery Metals Ltd. (the "Issuer").

Each Restricted Share Unit ("RSU") represents a contingent right to receive one Common Share.

Represents RSUs granted on May 14, 2026, under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan. These share will vest in accordance with the following schedule: 166,666 units vest on May 14, 2027, 166,667 units vest on May 14, 2028, and 166,667 units vest on May 14, 2029.

Includes (i) 9,792,659 Common Shares held of record by Elegante Energy LLC, (ii) 2,665,625 Common Shares held of record by EV Metals LLC, (iii) 746,250 Common Shares held of record by EV Metals II LLC, (iv) 735,000 Common Shares held of record by EV Metals III LLC, (v) 3,970,000 Common Shares held of record by EV Metals IV LLC, (vi) 18,640,667 Common Shares held of record by EV Metals VI LLC, (vii) 29,297,348 Common Shares held of record by EV Metals 7 LLC, (viii) 10,906,000 Common Shares held of record by EV Metals 8 LLC, (ix) 2,355,872 Common Shares held of record by JAW Puerto Rico Trust, (x) 3,248,504 Common Shares held of record by Perk Salar, LLC and (xi) 60,742,518 Common Shares held of record by EV Metals 9 LLC.

EV Metals GP LLC is the Manager of each of EV Metals LLC, EV Metals II LLC, EV Metals III LLC, EV Metals IV LLC, EV Metals VI LLC, EV Metals 7 LLC, EV Metals 8 LLC, EV Metals 9 LLC and Perk Salar, LLC. Mr. Warnock is the Manager of EV Metals GP LLC and Elegante Energy LLC, and Mr. Warnock is the Investment Trustee of JAW Puerto Rico Trust. As a result, Mr. Warnock may be deemed to beneficially own the securities held by the foregoing entities. Each such entity and Mr. Warnock disclaims beneficial ownership of such securities except to the extent of his or its pecuniary interest therein, if any.

Each Warrant represents the right to acquire one Common Share.

Represents an exercise price of $0.148 Canadian dollars, converted to U.S. dollars using the Bank of Canada daily exchange rate of $1.00 to CAD$1.3678 as of April 28, 2026.

The Warrants are immediately exercisable.

Held of record by EV Metals 9 LLC. Mr. Warnock is the Manager of EV Metals GP LLC, which is the Manager of EV Metals 9 LLC. As a result, Mr. Warnock may be deemed to beneficially own the securities held by EV Metals 9 LLC. Mr. Warnock disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

Each Warrant represents the right to acquire one Common Share.

Represents an exercise price of $0.14 Canadian dollars, converted to U.S. dollars using the Bank of Canada daily exchange rate of $1.00 to CAD$1.3689 as of February 23, 2026.

The Warrants are immediately exercisable.

Held of record by EV Metals 9 LLC. Mr. Warnock is the Manager of EV Metals GP LLC, which is the Manager of EV Metals 9 LLC. As a result, Mr. Warnock may be deemed to beneficially own the securities held by EV Metals 9 LLC. Mr. Warnock disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

Includes (i) 9,792,659 Common Shares held of record by Elegante Energy LLC, (ii) 2,665,625 Common Shares held of record by EV Metals LLC, (iii) 746,250 Common Shares held of record by EV Metals II LLC, (iv) 735,000 Common Shares held of record by EV Metals III LLC, (v) 3,970,000 Common Shares held of record by EV Metals IV LLC, (vi) 18,640,667 Common Shares held of record by EV Metals VI LLC, (vii) 29,297,348 Common Shares held of record by EV Metals 7 LLC, (viii) 10,906,000 Common Shares held of record by EV Metals 8 LLC, (ix) 2,355,872 Common Shares held of record by JAW Puerto Rico Trust, (x) 3,248,504 Common Shares held of record by Perk Salar, LLC and (xi) 26,427,053 Common Shares held of record by EV Metals 9 LLC.

EV Metals GP LLC is the Manager of each of EV Metals LLC, EV Metals II LLC, EV Metals III LLC, EV Metals IV LLC, EV Metals VI LLC, EV Metals 7 LLC, EV Metals 8 LLC, EV Metals 9 LLC and Perk Salar, LLC. Mr. Warnock is the Manager of EV Metals GP LLC and Elegante Energy LLC, and Mr. Warnock is the Investment Trustee of JAW Puerto Rico Trust. As a result, Mr. Warnock may be deemed to beneficially own the securities held by the foregoing entities. Each such entity and Mr. Warnock disclaims beneficial ownership of such securities except to the extent of his or its pecuniary interest therein, if any.

Each Restricted Share Unit ("RSU") represents a contingent right to receive one Common Share.

Represents RSUs granted on February 12, 2025, under International Battery Metals Ltd.'s (the "Issuer") Amended and Restated Restricted Share Unit Plan. These share will vest in accordance with the following schedule: 33,333 units vest on February 12, 2026, 33,333 units vest on February 12, 2027, and 33,334 units vest on February 12, 2028.

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 granted on February 4, 2026, which will vest in full 60 days following the Issuer's successful listing on a major stock exchange.

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 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.

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 granted on February 4, 2026, which will vest in full 60 days following the Issuer's successful listing on a major stock exchange.

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 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 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.

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 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.

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 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.