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Battery Mineral Resources Corp. Provides Corporate Updates Status of 2024 Filings and Quarterly Filings Copper Concentrate Production and Outlook ESI Energy Services Performance and Outlook

Metallurgy & Processing

Battery Mineral Resources Corp. Provides Corporate Updates

Status of 2024 Filings and Quarterly Filings

Copper Concentrate Production and Outlook

ESI Energy Services Performance and Outlook

Vancouver, British Columbia – (June 30, 2025) – Battery Mineral Resources Corp. (TSXV:

BMR) (OTCQB: BTRMF) (“ Battery” or “BMR” or the “Company”) is pleased to share several

important updates with its shareholders.

Laz Nikeas, CEO of BMR, shared the following update on the company’s operations and

financial filings:

“The Company’s 2024 annual filings and Q1 2025 filings, although delayed, are expected to

be completed imminently. We appreciate our shareholders’ patience during this process.

We are pleased to share an update on our growing copper production at the Punitaqui Project

in Chile, as well as an update on the strong performance of ESI Energy Services Inc. (“ESI”),

our wholly owned provider of specialized equipment to the energy industry.

BMR is a unique platform amongst the numerous exploration and development companies

on the TS XV. We own three key assets: a mid -sized producing copper mining complex and

concentrate facility in Punitaqui, Chile; a rapidly growing cash flowing energy services

business based in Phoenix, Arizona; and a large exploration land package of mineral claims

in North America. Our primary focus over the past few years has been to define and grow

resources in our Chilean copper project and to restart operations , both which w ere

successfully accomplished in 2024. Our current focus is to maximize the throughput of ore

through our concentrate facility to generate cash flow s. We cur rently have two mines

operating, Cinabrio and San Andres, and we are targeting to be operating an additional two

mines later this year and into next year, Cinabrio Norte and Dalmacia. The copper market is

very strong, and we are benefitting from many favorable trends, including significantly lower

treatment and refining charges as the market is structurally short concentrate. The Punitaqui

Project has been mining ore and producing concentrate from our own ore bodies for

approximately 9 months now and we are beginning to see consistent improvements in our

mining rates and concentrate sales. In addition, ESI finished 2024 with record revenue and

EBITDA and we see continued growth over the next few years as ESI introduces new products

to the market. I would like to thank both the leadership teams at Punitaqui and ESI for all of

their hard work and focus.

We look forward to providing further positive updates to shareholders in the near-term.”

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Annual and Quarterly Filings

BMR has been progressing towards completing its 2024 audited annual filings (“Annual

Filings”) as well as its Q1 2025 unaudited financial statements and Management’s Discussion

and Analysis (“Q1 Filings” ) and anticipates submitting the Annual Filings to SEDAR+ on or

about July 3rd, 2025, and the Q1 Filings shortly thereafter.

The Company has been delayed in making the Annual Filings (see press release dated May

7th, 2025) in large part due to the additional analyses required in accounting for certain

financing and other transactions which occurred in 2024, as well as certain tax adjustments.

The delay in making the Annual Filings is not related to the accounting for any core financial

aspects of the business , such as its revenues, operating costs, or its cash or debt position.

The delay in the Q1 Filings is due to the fact that such filings can only be made following the

completion of the Annual Filings.

A news release will be issued once the filings have been submitted. Following the filing of the

Annual Filings and the Q1 Filings , the Company expects that the cease trade order ( CTO)

currently in place with respect to trading in the Company’s common shares will be revoked

within one to two business days (in Canada), as is the customary practice.

The Company thanks its shareholders for their continued patience as we finalize the

outstanding filings. Management and the Board are working diligently to complete the process

as quickly as possible.

Max Satel, CFO of BMR, commented: “The Company is undertaking a review of its financial -

reporting systems and processes, and is also working closely with its external auditors to

streamline their review cycle, with the objective of ensuring that future filings are submitted

within the statutory reporting deadlines.”

Copper Concentrate Production and Outlook

During the period from January 1st to June 24th, 2025, the Company shipped a total of 7,533

dry metric tonnes (DMT) of copper concentrates, all produced at the Punitaqui flotation plant.

The concentrates averaged 22.6% copper, amounting to approximately 3,753,273 pounds of

contained copper.

• Punitaqui production and sales – 6,700 DMT were sourced directly from the

Company’s Punitaqui mines, processed at the Company’s Los Mantos mill, then

trucked ~130 km along paved, all -weather roads to Terminal Portuario de Coquimbo

(TPC).

• Material processed under the Anglo Offtake Agreement – The remaining 833 DMT

originated from copper -smelting slags supplied by Anglo American Sur S.A. (“Anglo”)

under the existing Offtake Agreement. These concentrates were delivered to Anglo’s

Chagres smelter in Catemu, Chile.

This steady cadence of production and deliveries underscores the reliability of Punitaqui

operations while continuing to fulfill commitments under the arrangement with Anglo.

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The Company continues to make steady progress with regards to increasing its mine

production and increasing the availability of the Los Mantos mill. In recent months,

management has implemented several initiatives to improve the performance of underground

mining equipment and increase ore extraction rates , as well as improving mill performance

through maintenance programs. In the month of June 2025, the Punitaqui mines delivered

several days of mining rates in excess of 2,000 tonnes of ore per day, indicating a monthly

run-rate of approximately 60,000 tonnes of ore.

The Company’s near -term goal is to increase production from the Punitaqui mines to

approximately 2,000 DMT of copper concentrates per month, and to reach a production rate

from the Punitaqui mines of approximately 2,500-2,700 DMT of copper concentrates per

month by the end of 2025. The continued production of concentrates from the

aforementioned slags, plus potential processing of third -party ores, is expected to further

contribute to an increase in the Company’s overall production.

Performance of ESI Energy Services

BMR is also pleased to share an update on the performance and outlook for its 100%-owned

subsidiary, ESI Energy Services, Inc. Operating under the trade name “Ozzies” and

headquartered in Phoenix, Arizona, the company specializes in providing niche equipme nt

leasing and sales to the renewable and conventional energy sectors. The company designs

and delivers specialized backfill separation machines, sand delivery systems, and vacuum lift

equipment for the oil and gas industry, as well as utility-scale solar and wind farm installations.

Over the past four years, Ozzies has transformed from a rental -only provider of backfill

equipment into a dynamic manufacturer and supplier of specialized energy equipment. This

strategic shift, marked by the introduction of sand delivery and vacuum lift s ystems for the

renewable energy markets, has driven an impressive average revenue growth of 15% annually

and a 35% EBITDA margin in 2024. ESI generated C$16.8 million in revenues in 2024 and

we expect revenues to reach approximately C$20 million in 2025 with similar EBITDA margins

as in 2024. By developing, leasing and selling equipment directly to customers, Ozzies has

strengthened its market position and responsiveness to industry demands.

ESI projects sustained revenue growth of 10-15% per year over the next few years, driven by

an increased focus on international sales and the development of new products as it expands

into new markets within the renewable energy sector, such as battery storage and data

centers. ESI’s commitment to innovation and its agile, direct-to-customer model will continue

to drive its success in the global energy landscape.

About Battery Mineral Resources Corp.

Battery Mineral Resources’ mission is to build a mid -tier copper producer and has recently

initiated mine and mill operations at the Punitaqui Mining Complex, a historic copper -gold-

silver producer, in the Coquimbo region of Chile. The Company’s portfolio also consists of its

100% ownership in ESI Energy Services Inc., other mineral exploration assets located in North

America, and two graphite assets in South Korea. The Company is focused on providing

shareholders accretive exposure to copper and the global mega-trend of electrification while

being focused on growth through cash-flow, exploration, and acquisitions in favorable mining

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jurisdictions. Further information about BMR and its projects can be found on

www.bmrcorp.com.

For more information, please contact:

Lazaros Nikeas, CEO

Phone: +1 (604) 628-1110

[email protected]

Neither 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.

Forward Looking Statements

This news release includes certain “forward -looking statements” under applicable Canadian

securities legislation. There can be no assurance that such statements will prove to be

accurate, and actual results and future events could differ materially from th ose anticipated

in such statements. Forward-looking statements reflect the beliefs, opinions and projections

of the Company on the date the statements are made and are based upon a number of

assumptions and estimates that, while considered reasonable by the Company, are inherently

subject to significant business, economic, competitive, political and social uncertainties and

contingencies. Many factors, both known and unknown, could cause actual results,

performance, or achievements to be materially differen t from the results, performance or

achievements that are or may be expressed or implied by such forward -looking statements

and the parties have made assumptions and estimates based on or related to many of these

factors. Such factors include, without limitation, the ability of the Company to obtain sufficient

financing to complete exploration and development activities, the ability of the Company to

timely complete the Annual Filings and revoke the CTO, risks related to share price and market

conditions, the inherent risks involved in the mining, exploration and development of mineral

properties, the inherent risks involved in the rental and sales of heavy equipment and

machinery, the ability of the Company to meet its anticipated development schedule,

government regulation , and fluctuating commodity prices. Accordingly, readers should not

place undue reliance on forward -looking statements. Battery undertakes no obligation to

update publicly or otherwise revise any forward-looking statements contained herein, whether

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

law.