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Boron One Holdings Inc. Project Update Highlights: Commercial-grade concentrate achieved, simulating run-of-mine parameters Work advances towards completion of Feasibility Study amendments

Corporate Updates

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BORON ONE HOLDINGS INC.

NEWS RELEASE [for immediate release]

Boron One Holdings Inc. Project Update

Highlights: Commercial-grade concentrate achieved, simulating run-of-mine parameters

Work advances towards completion of Feasibility Study amendments

August 31, 2026

Victoria, Canada [Accesswire]

Boron One Holdings Inc. (“Boron One” or the “Company”) [TSXV: BONE], a company committed to

advancing global decarbonization through the responsible development of its boron assets, is pleased to

announce that it has successfully produced commercial -grade colemanite concentrate from test samples

sourced from its Piskanja deposit, utilizing conventional, environmentally sustainable, and readily available

processing technologies. The material used in this recent test program closely replicates run-of-mine feed

that is anticipated during future commercial operations at Piskanja, with the inclusion of representative

proportions of hanging wall and footwall waste materials that are consistent with the mining dilution

models for Piskanja.

This work builds upon earlier metallurgical testing completed at ALS Labs, which confirmed the ability to

generate commercial -grade concentrates from representative mineralized samples from within the

Piskanja colemanite bodies only. Unlike the prior test program however, because the current test work

incorporates realistic mining dilution (waste rock), it provides a more accurate assessment of expected

commercial processing performance.

The results of this processing study (along with related tailings and backfill studies) form the final remaining

amendments to the Company’s Serbian -compliant Feasibility Study, which have been requested by the

Mining Ministry. In the interim, in keeping with regulations, the Company has requested a suspension of

its documentation review process by the Ministry, pending the completion of the aforementioned

amendments. Upon completion of the amendments, the updated Feasibility Study will be resubmitted to

the Ministry by the Company to continue the formal review process towards the Exploitation Field approval.

On behalf of the Board of Directors,

Tim Daniels

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About Boron One Holdings Inc.

Boron One Holdings Inc. is a leading company dedicated to advancing the decarbonization of the planet

through the responsible utilization of its wholly owned boron assets. With a commitment to environmental

stewardship and sustainability, Boron One aims to play a crucial role in reducing the world’s carbon

footprint and supporting a cleaner, greener future for us all.

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Headquartered in Victoria, B.C., Canada, Boron One’s shares are traded on the TSX Venture Exchange

under the symbol "BONE". For detailed information please see Boron One's website at www.boronone.com

or the Company's filed documents at https://www.sedarplus.ca/.

For further information, please contact: Boron’s Public Quotations:

Blake Fallis, General Manager TSX Venture: BONE

Phone: 1-250- 384-1999 or 1-888-289-3746 Berlin: EKV

[email protected] US: SEC 12G3-2(B) #82-4432ERVFF

www.boronone.com OTCBB: ERVFF

Qualified Persons

Nenad Rakic, EurGeol, Piskanja Project Field Manager, a qualified person as defined by NI 43-101, has

reviewed the technical information that forms the basis for this news release, and has approved the

disclosure herein.

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.

For Boron One Holdings Inc. Investors

This news release contains “forward -looking statements” within the meaning of applicable Canadian

securities legislation. Certain statements made in this press release that are not based on historical

information are forward-looking statements that involve substantial known and unknown risks and

uncertainties. This press release contains express or implied forward-looking statements relating to,

among other things, Boron One’s expectations concerning management's plans, objectives and strategies,

including its plans for advancing the Company's Piskanja Project through to an exploitation license. These

statements are neither promises nor guarantees but are subject to a variety of risks and uncertainties,

many of which are beyond the Company’s control, and which could cause actual results to differ materially

from those contemplated in these forward-looking statements. Factors that could cause actual results to

differ materially from any forward-looking statement include, but are not limited to, failure to convert

estimated mineral resources to reserves, capital and operating costs varying significantly from estimates,

the preliminary nature of metallurgical test results, delays in obtaining or failures to obtain required

governmental, environmental or other project approvals, political risks, uncertainties relating to the

availability and costs of financing needed in the future, changes in equity markets, inflation, changes in

exchange rates, fluctuations in commodity prices, delays in the development of projects and the other risks

involved in the mineral exploration and development industry.

Existing and prospective investors are cautioned not to place undue reliance on these forward-

looking statements, which speak only as of the date hereof.

Boron One Holdings Inc. undertakes no obligation to update or revise the information contained in this

press release, whether as a result of new information, future events or circumstances or otherwise except

as expressly required by applicable securities law. Further information regarding the uncertainties and

risks can be found in the disclosure documents filed by Boron One with the securities regulatory

authorities, available at https://www.sedarplus.ca/. These and other factors made in public disclosures and

filings by the Company should be considered carefully.