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LITH.V ·

Lithium Chile and China Union Holdings Ltd. Sign an Amended and Restated Share Purchase Agreement

Mergers & Acquisitions

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LITHIUM CHILE AND CHINA UNION HOLDINGS LTD. SIGN AN AMENDED AND

RESTATED SHARE PURCHASE AGREEMENT

TSX Venture Exchange: LITH For Immediate Release

OTC-QB: LTMCF

CALGARY, ALBERTA, May 7, 2026 - Lithium Chile Inc. (“Lithium Chile” or the “Company”) is pleased to

announce that the Company has entered into an amended and restated share purchase agreement with

China Union Holdings Ltd. that amends and restates the Share Purchase Agreement previously announced

by the Company on December 22, 2025 (the “Amended and Restated Share Purchase Agreement”), with

respect to the transaction contemplated thereby (the “Transaction”).

The Amended and Restated Share Purchase Agreement clarifies that the 10 shares of Argentum Lithium

S.A. (“Argentum”) held by Mr. 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 post -closing 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+ at www.sedarplus.ca.

ABOUT LITHIUM CHILE

Lithium Chile Inc. 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 an NI 43 -101 compliant Resource Report, a Preliminary

Economic Assessment and a Prefeasibility Study which are all accessible on SedarPlus.ca under Lithium

Chile’s profile.

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ISSUER CONTACT

To find out more about Lithium Chile, please contact:

Steven Cochrane, President and CEO via email: [email protected], or

Michelle DeCecco, COO via email: [email protected] or phone: 403-393-1990.

FORWARD LOOKING STATEMENTS AND RISK FACTORS:

Certain statements contained in this news release constitute forward -looking statements and future

oriented financial information. These statements relate to future events. All statements other than

statements of historical fact are forward-looking statements or future oriented financial information. The

use of the words “anticipates”, “should”, “may”, “expected”, “expect”, “believes” and other words of a

similar nature are intended to identify forward-looking statements. These statements involve known and

unknown risks, uncertainties and other factors that may cause actual results or events to differ materially

from those anticipated in such forward -looking statements. Although the Company believes these

statements to be reasonable, no assurance can be give n that these expectations will prove to be correct

and such forward-looking statements included in this news release should not be unduly relied upon. Such

statements include the statements with respect to: the anticipated receipt of shareholder approval; the

receipt of the approval of the TSX Venture Exchange; and the anticipated filing of the Amended and

Restated Share Purchase Agreement on SEDAR+. The forward-looking statements contained in this news

release represent the Company’s expectations as of the date hereof and are subject to change after such

date. Lithium Chile disclaims any intention or obligation to update or revise any forward -looking

statements whether as a result of new information, future events or otherwise, except as may be required

by applicable securities regulations.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

Policies of the TSX-Venture Exchange) accepts responsibility for the adequacy or accuracy of this Release.