(via TheNewswire)

Varennes, Quebec, September 2, 2026 – TheNewswire – CHARBONE CORPORATION (TSXV: CH; OTCQB: CHHYF; FSE: K47) (“ CHARBONE ” or the “ Company ”), a vertically integrated industrial gases company focused on production, distribution and storage of clean ultra-high purity (“ UHP ”) hydrogen and other strategic industrial gases , is pleased to announce that RiverFort Global Opportunities PCC Ltd (“ RiverFort ” or “ Lender ”) has agreed to advance $1.5 million, representing half of the second drawdown of up to $3 million, to the Company prior to the date falling 6 calendar months from the first drawdown closing of the secured convertible loan facility (the “ Convertible Loan ”) for up to $10 million as previously announced on April 29, 2026.

Transaction Overview

The $1.5 million forming part of the second drawdown will become available upon satisfaction of the closing conditions, including the approval by the TSX Venture Exchange. The Convertible Loan is structured as a multi-drawdown secured facility, with additional tranches available to the Company over the term of the agreement, subject to customary conditions and mutual agreement between the parties.  Accordingly, the Company may complete an additional drawdown pursuant to the $3 million set aside under the second drawdown under the Convertible Loan.

Key Terms of the Convertible Loan

• Total facility size: Up to $10 million secured Convertible Loan, structured in multiple drawdowns.  

• Drawdowns: The Initial Drawdown of $3 million closed on April 29, 2026. Half of t he second drawdown of up to $3 million is in the closing process and the remaining may be advanced to the Company prior to the date falling 6 calendar months from the first drawdown closing and subject to mutual agreement. The remaining $4 million will be available to be drawn by the Company in aggregate during the Convertible Loan term, subject to mutual agreement between the Company and RiverFort and customary conditions set out in the Convertible Loan agreement.  

• Term: Drawdowns under the Convertible Loan are available for a three-year term, with each drawdown repayable over 18 months. Initial Drawdown maturity date is on October 29, 2027.  

• Interest: 12% per annum, payable in cash every 4 months. Default interest capped at 24%.  

• Conversion: Half of the second drawdown would be convertible, at the option of the Lender, into units composed of one common share of the Company and 0.3 of a warrant, at a conversion price of $0.196875 per unit. If not converted before, 10% shall be repaid at the end of 6 months, 20% at the end of 12 months and 70% on maturity date in 18 months. The securities issued upon any conversion of the principal amount of the Convertible Loan will be subject to the statutory four-month hold period in Canada.  

• Warrants: Each whole warrant issued in connection with half of the second drawdown of $3 million will be exercisable to acquire one additional common share of CHARBONE, at a price per share of $0.236250, for a period of 48 months, subject to a maximum of 5 years from the Convertible Loan closing date, April 29, 2026.  

• Security: Secured with a first ranking hypothec over the universality of all present and future movable property of each of Charbone Hydrog ène Québec Inc. (Sorel-Tracy project) and Charbone Hydrogen Corporation.  

• An implementation fee of 5% of the drawdown will be paid in cash on closing of each drawdown.  

The Company intends to close the $1.5 million drawdown shortly after receipt of the conditional acceptance of the TSX Venture Exchange.

Use of Proceeds

The Convertible Loan is a key component of CHARBONE’s broader strategy to scale hydrogen production capacity and expand its industrial gas platform across North America. The proceeds from the $1.5 million drawdown are expected to be used to:

• Accelerate development timelines of the Company’s clean UHP hydrogen production plants  

• Support capital expenditures and equipment deployment  

• Provide general working capital to accelerate near-term growth initiatives  

Benoit Veilleux, Chief Financial Officer and Corporate Secretary of CHARBONE, commented : “ This drawdown reflects the continued confidence RiverFort has placed in CHARBONE and our execution to date. The structured, multi-tranche nature of this facility allows us to access growth capital in a disciplined way, aligned with our operational milestones at Sorel-Tracy and across our industrial gases platform. Importantly, this is not a traditional equity raise, but a convertible loan structure where there is no dilution to shareholders today. Minimizing dilution is always our priority. We look first at non-dilutive and low-dilution structures including project-level financing, equipment financing and strategic partnerships that are designed to accelerate our growth. We remain focused on delivering value for our shareholders through operational performance. ”

About RiverFort

RiverFort provides debt and equity-based capital to high-growth companies. As an international business operating from offices in London, Australia and Gibraltar along with a strong presence in Europe, and Canada, RiverFort has a multi-sector and global orientation. RiverFort prides itself in creating mutually beneficial partnerships between its alternative funding sources, including family office co-investors, and investee companies it believes in. The RiverFort team has executed in excess of US$15 billion of growth financing transactions.

About CHARBONE CORPORATION

CHARBONE is a vertically integrated industrial gases company focused on developing and operating a network of supply hubs for the production, storage, and distribution of Ultra-High Purity (UHP) strategic industrial gases. The Company serves customers across sectors including semiconductors, artificial intelligence and data centers, advanced pharmaceuticals, and aerospace and defense technologies, where UHP gases are critical for high-precision manufacturing processes and operational performance . CHARBONE is advancing a network of clean UHP hydrogen production plants across North America and selected international markets. The Company’s modular, decentralized, and demand-driven approach, combined with its integrated storage and distribution platform for all UHP gases, supports scalable growth, enhances operational flexibility, and enables more stable and diversified revenue generation. This model allows CHARBONE to efficiently serve mid-tier industrial gas customers with a reliable supply of UHP gases, including hydrogen, helium, oxygen, and any other high-demand gases that are often difficult to source reliably at the regional level. The Company is committed to supporting the global transition to a lower-carbon economy by providing accessible, decentralized clean hydrogen and specialty gases, while addressing supply gaps for underserved industrial customers and accelerating the shift towards localized clean energy. CHARBONE is listed on the TSX Venture Exchange (TSXV: CH) , the OTC Markets (OTCQB: CHHYF) , and the Frankfurt Stock Exchange (FSE: K47) . For more information, please visit: www.charbone.com .

Forward-Looking Statements

This news release contains statements that are “forward-looking information” as defined under Canadian securities laws (“forward-looking statements”). These forward-looking statements are often identified by words such as “intends”, “anticipates”, “expects”, “believes”, “plans”, “likely”, or similar words. The forward-looking statements reflect management's expectations, estimates, or projections concerning future results or events, based on the opinions, assumptions and estimates considered reasonable by management at the date the statements are made. Although Charbone believes that the expectations reflected in the forward-looking statements are reasonable, forward-looking statements involve risks and uncertainties, and undue reliance should not be placed on forward-looking statements, as unknown or unpredictable factors could cause actual results to be materially different from those reflected in the forward-looking statements. The forward-looking statements may be affected by risks and uncertainties in the business of Charbone. These risks, uncertainties and assumptions include, but are not limited to, those described under “Risk Factors” in the Corporation’s Filing Statement dated March 31, 2022, which is available on SEDAR+ at www.sedarplus.ca; they could cause actual events or results to differ materially from those projected in any forward-looking statements.

Except as required under applicable securities legislation, Charbone undertakes no obligation to publicly update or revise forward-looking information.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release .

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