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LITH.V ·

China Union and Lithium Chile Receive Notice Under the Investment Canada Act

Corporate Updates

081420261

CHINA UNION AND LITHIUM CHILE RECEIVE

NOTICE UNDER THE INVESTMENT CANADA ACT

TSX Venture Exchange: LITH For Immediate Release

OTC-QB: LTMCF

CALGARY, ALBERTA, August 17, 2026 - Lithium Chile Inc. (“Lithium Chile” or the “Company”) and

China Union Holdings Ltd. (“ China Union ” or “ CUH”) have received a notice pursuant to

subsection 25.2(1) of the Investment Canada Act (the “ICA”) in connection with the proposed

sale by Lithium Chile to China Union of all of the outstanding shares of Argentum Lithium S.A.

(“Argentum”) (the “Transaction”).

The Company originally announced the Transaction on December 22, 2025. Shortly thereafter,

on January 7, 2026, the Company wrote to Innovation, Science and Economic Development

Canada (“ISED”) setting out its position that Argentum is not a Canadian company, does not own

Canadian assets, has no employees or place of business in Canada, and does not satisfy the

criteria contemplated by paragraph 25.1(c) of the ICA. The Company did not receive a response

to that letter prior to receipt of the section 25.2 notice.

The notice states that the Director of Investments has reasonable grounds to believe that the

Transaction could be injurious to national security and that an order for further review of the

Transaction may be made under subsection 25.3(1) of the ICA.

Lithium Chile and China Union are reviewing the notice with their respective legal advisors and

considering the options available to them. Lithium Chile’s position is that the sale of a foreign

asset is outside the jurisdiction of ISED and intends to force fully advance that position and seek

all remedies available.

The Company will provide further updates regarding the Transaction and the ICA process as

material developments occur.

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

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Report, a Preliminary Economic Assessment and a Prefeasibility Study which are all accessible on

Sedar+.ca under Lithium Chile’s profile.

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: +1 587-287-9355

FORWARD LOOKING STATEMENTS AND RISK FACTORS:

This news release contains certain statements that may constitute “forward -looking information” within

the meaning of applicable Canadian securities laws. Forward -looking information in this news release

includes, but is not limited to, statements regarding the proposed sale of the shares of Argentum to China

Union; the process under the ICA; the possibility of an order for further review being made under

subsection 25.3(1) of the ICA; the parties’ engagement with ISED; the options available to the parties in

response to the notice; and the ability of the parties to complete the Transaction on the terms

contemplated, or at all.

Forward-looking information is based on management’s current expectations, estimates, assumptions

and projections 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. Such risks and uncertainties include, without limitation, the possibility that an order for

further review may be made under the ICA; the timing and outcome of the ICA process; the possibility

that conditions, undertakings or other requirements may be imposed in connection with the Transaction;

the possibility that the Transaction may be delayed, modified or not completed; and other risks described

in the Company’s continuous disclosure filings available under its profile on SEDAR+.

Although the Company believes that the expectations and assumptions reflected in such forward-looking

information are reasonable, undue reliance should not be placed on forward-looking information because

the Company can give no assurance that such expecta tions will prove to be correct. The forward -looking

information contained in this news release is provided as of the date hereof, and the Company undertakes

no obligation to update or revise such information to reflect new events or circumstances, except a s

required by applicable securities laws.