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BMR.V ·

UNITED STATES Battery Mineral Resources Corp. Announces Closing of Final Tranche of LIFE Private Placement Offering

Financings

THIS NEWS RELEASE IS NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES OR DISSEMINATION IN THE

UNITED STATES

Battery Mineral Resources Corp. Announces Closing of Final Tranche of LIFE Private

Placement Offering

Vancouver, British Columbia – (May 29, 2026) – Battery Mineral Resources Corp. (TSXV: BMR)

(OTCQB: BTRMF) (“Battery” or “BMR” or the “ Company”) is pleased to announce that it has

closed the final tranche of its non-brokered private placement offering (the “Offering”), which

was originally announced on April 15, 2026. Under this final tranche, the Company issued

8,542,030 common shares of the Company (“ Shares”) at a price of $0.20 per Share for

aggregate gross proceeds of $1,708,406. The Company previously announced the closing of

the first tranche of the Offering on April 22, 2026, for aggregate gross proceeds of $451,647

and the closing of the second tranche on May 7, 2026 for aggregate gross proceeds of

$600,000. The Company has now raised aggregate gross proceeds of $ 2,760,053 through

the sale of an aggregate of 13,800,265 Shares under the Offering.

The Shares have been issued on a private placement basis pursuant to the Listed Issuer

Financing Exemption under Part 5A of National Instrument 45 -106 – Prospectus

Exemptions (“NI 45-106”), as amended and supplemented by Coordinated Blanket Order 45-

935 – Exemptions from Certain Conditions of the Listed Issuer Financing Exemption (the

“LIFE Exemption”). Accordingly, the Shares issued in the Offering are not subject to resale

restrictions pursuant to applicable Canadian securities laws.

The Offering was also conducted in the United States by way of private placement pursuant

to the exemptions from the registration requirements provided for under the United States

Securities Act of 1933, as amended (the “U.S. Securities Act ”), in accordance with all

applicable laws. The Shares offered and sold to persons in the United States are considered

restricted securities under the U.S. Securities Act.

The Company intends to use the net proceeds of the Offering to advance processing plant

operations and planned underground development at the Company’s Punitaqui Mining

Complex located in the Coquimbo region of Chile , and for general working capital purposes.

Details of the Company's intended use of proceeds from the Offering are more fully described

in the offering document dated April 15, 2026 that can be accessed under the Company’s

profile at www.sedarplus.ca.

In connection with the closing of the final tranche of the Offering, the Company paid an arm’s

length party finder’s fees in the amount of $78,024 in compliance with applicable securities

laws and TSX Venture Exchange (“TSXV”) policies.

The securities being offered have not been and will not be registered under the U.S. Securities

Act and may not be offered or sold in the United States absent registration or an applicable

exemption from the registration requirements. This press release shall not constitute an offer

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to sell or the solicitation of an offer to buy nor shall there be any sale of the securities in any

State in which such offer, solicitation or sale would be unlawful.

About Battery Mineral Resources Corp.

Battery Mineral Resources operates the Punitaqui Mining Complex, a historic copper, gold,

and silver -producing mine in the Coquimbo region of Chile. The Company’s portfolio also

includes 100% -owned ESI Energy Services Inc. and North American mineral explor ation

assets. The Company is focused on providing shareholders with accretive exposure to copper

and the global trend of electrification while targeting growth through cash flow, exploration

and acquisitions in favorable mining jurisdictions. Further infor mation about BMR and its

projects can be found on www.bmrcorp.com.

For more information, please contact:

Lazaros Nikeas, CEO

Phone: +1 (672) 887-5010

Email: [email protected]

Neither the TSX Venture Exchange (the “TSXV”) nor its Regulation Services Provider (as that

term is defined in the policies of the TSXV) accepts responsibility for the adequacy or accuracy

of this press release.

Cautionary Note Regarding Forward-Looking Information

This release includes certain statements and information that may constitute forward-looking

information within the meaning of applicable Canadian securities laws. Forward -looking

statements relate to future events or future performance and reflect the exp ectations or

beliefs of management of the Company regarding future events. Generally, forward -looking

statements and information can be identified by the use of forward-looking terminology such

as “intends” or “anticipates”, or variations of such words and phrases or statements that

certain actions, events or results “may”, “could”, “should”, or “would” occur. This information

and these statements, referred to herein as "forward ‐looking statements", are not historical

facts, are made as of the date of this news release and include without limitation, statements

regarding discussions of future plans, estimates and forecasts and statements as to

management's expectations and intentions with respect to, among other things: the intended

use of any proceeds raise d under the Offering; the receipt of regulatory approvals for the

Offering, including that of the TSXV.

These forward ‐looking statements involve numerous risks and uncertainties, and actual

results might differ materially from results suggested in any forward -looking statements.

These risks and uncertainties include, among other things: the inability of the Company to

utilize the anticipated proceeds of the Offering as anticipated; risks related to global financial

markets, including the trading price of the Company's shares; the inability to obtain all

regulatory approvals for the Offering, including that of the TSXV.

In making the forward -looking statements in this news release, the Company has applied

several material assumptions, including without limitation: the Company will use the proceeds

of the Offering as currently anticipated.

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Although management of the Company has attempted to identify important factors that could

cause actual results to differ materially from those contained in forward -looking statements

or forward-looking information, there may be other factors that cause results not to be as

anticipated, estimated or intended. There can be no assurance that such statements will

prove to be accurate, as actual results and future events could differ materially from those

anticipated in such statements. Accordingly, readers shou ld not place undue reliance on

forward-looking statements and forward -looking information. Readers are cautioned that

reliance on such information may not be appropriate for other purposes. The Company does

not undertake to update any forward -looking state ment, forward -looking information or

financial outlook that are incorporated by reference herein, except in accordance with

applicable securities laws. We seek safe harbor.