(via TheNewswire)

CALGARY, ALBERTA, September 29, 2026 – TheNewswire - Lithium Chile Inc. (“ Lithium Chile ” or the “ Company ”) advises that the Government of Canada, through its Innovation, Science and Economic Development Ministry, has notified China Union Holdings Ltd. (“CUH ”) that it will conduct a formal review of CUH’s previously announced intention to acquire all of the outstanding shares of Argentum Lithium S.A.

The order was provided in accordance with section 25 of the Investment Canada Act.

CUH has advised Lithium Chile that it is reviewing the order and will advise Lithium Chile on its intended course of action, once determined.

Lithium Chile will provide its stakeholders with updates as additional information becomes available.

ABOUT LITHIUM CHILE

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 an NI 43-101 compliant Resource Report, a Preliminary Economic Assessment and a Prefeasibility Study which are all accessible on Sedar+.ca under Lithium Chile’s profile.

ISSUER CONTACT

For further information, please contact: Steven Cochrane, President and CEO, via email: steve@lithiumchile.ca

FORWARD LOOKING STATEMENTS AND RISK FACTORS:

This news release contains certain statements that may be considered “forward-looking information” within the meaning of applicable Canadian securities laws.

Forward-looking information is based on management’s current expectations, estimates and assumptions and is subject to known and unknown risks, uncertainties and other factors that may cause actual results or events to differ materially from those expressed or implied by such forward-looking information. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated.

Readers are cautioned not to place undue reliance on forward-looking information. Except as required by applicable securities laws, the Company undertakes no obligation to update or revise any forward-looking information contained herein, whether as a result of new information, future events or otherwise.

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