Mr. Steven Cochrane reports

LITHIUM CHILE AND CHINA UNION HOLDINGS LTD. SIGN AN AMENDED AND RESTATED SHARE PURCHASE AGREEMENT

Lithium Chile Inc. has entered into an amended and restated share purchase agreement with China Union Holdings Ltd., amending and restating the share purchase agreement previously announced by the company on Dec. 22, 2025, with respect to the transaction contemplated thereby.

The amended and restated share purchase agreement clarifies that the 10 shares of Argentum Lithium S.A. held by Steven Cochrane are held in trust for Lithium Chile, and that Mr. Cochrane does not have any equitable or beneficial interest in such shares, and that the exercise of any rights associated with those shares must be in accordance with instructions from Lithium Chile.

The amended and restated share purchase agreement also revises certain definitions related to government interventions, adds new representations and warranties regarding the operations of Argentum and its subsidiaries, makes certain other amendments to the closing conditions, and modifies the indemnity to address postclosing government interventions for a period of 60 months without increasing the company's maximum liability for breaches of representations or warranties.

The transaction remains subject to the approval of the TSX Venture Exchange and the shareholders of the company.

The company's upcoming annual general and special meeting of its shareholders is scheduled to be held on May 15, 2026.

Additional details regarding the terms of the transaction are set out in the amended and restated share purchase agreement, which will be filed under the company's profile on SEDAR+.

About Lithium Chile Inc.

Lithium Chile is an exploration company with a portfolio of 11 properties spanning 106,136 hectares in Chile and 29,245 hectares on the Salar de Arizaro in Argentina. The company has successfully advanced its Arizaro project with the completion of a National Instrument 43-101-compliant resource report, a preliminary economic assessment and a prefeasibility study, which are all accessible on SEDAR+ under Lithium Chile's profile.

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