CHARBONE Announces Closing of $10M Convertible Loan Including $3M Initial Tranche

Brossard, Quebec, April 29, 2026 – CHARBONE CORPORATION (TSXV: CH; OTCQB: CHHYF; FSE: K47) (“CHARBONE” or the “Company”), a North American producer and distributor of clean ultrahigh purity (“UHP”) hydrogen and industrial gases, is pleased to announce the closing of the secured convertible loan facility (the “Convertible Loan”) with RiverFort Global Opportunities PCC Ltd. (“RiverFort” or “Lender”) for up to $10 million as previously announced on March 31 and April 23, 2026.

Transaction Overview
Pursuant to the definitive agreements executed with RiverFort, CHARBONE has successfully completed the initial drawdown in the amount of $3 million (the “Initial Drawdown”) under the Convertible Loan, representing the first tranche of up to $10 million in total committed financing. 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.

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 is now closed. The second drawdown of up to $3 million may be advanced to the Company prior to the date falling 6 calendar months from the first drawdown closing and subject to mutual agreement, and the remaining $4 million will be available to be drawn 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: The first drawdown is 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 $0.15 per unit. If not converted before, 10% of the first drawdown 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 the first drawdown of $3 million will be exercisable to acquire one additional common share in the capital of CHARBONE, at a price per share of $0.195, for a period of 48 months, subject to a maximum of 5 years from the Convertible Loan closing date.
Security: Secured with a first ranking hypothec over the universality of all present and future movable property of each of Charbone Hydrogène Québec Inc. (Sorel-Tracy project) and Charbone Hydrogen Corporation.
An implementation fee of 5% of the first drawdown will be paid in cash on closing and a nonrefundable $20,000 due diligence fee has already been paid.

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 Initial Drawdown are expected to be used to:

Accelerate development timelines of the Company’s clean UHP hydrogen production facilities
Support capital expenditures and equipment deployment
Provide general working capital to accelerate near-term growth initiatives

CHARBONE and RiverFort will continue to evaluate subsequent drawdowns under the Convertible Loan facility, which may be advanced over time in accordance with the agreement and the Company’s capital requirements.

“This closing represents an important milestone for CHARBONE as we continue to execute on our growth strategy,” said Benoit Veilleux, CHARBONE’s Chief Financial Officer and Corporate Secretary. “The partnership with RiverFort provides flexible, staged capital that aligns with our development timeline and supports the acceleration of our hydrogen infrastructure buildout.”

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.

Momentum Public Relations Inc. Appointment

CHARBONE has retained the services of Momentum Public Relations Inc. (“Momentum”) for services related to its investor and media relations strategies. These services will be primarily provided by Mr. Maxence Gagné-Godbout, who acts at arm’s length from the Company. Under the agreement, Momentum will receive fees of $10,000 per month. The six-month agreement is valid until May 15, 2026. No other compensation is payable under this engagement. The agreement is subject to regulatory approval.

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 facilities 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 others that are in high-demand gases that are often difficult to source. 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).

Forward-Looking Statements

This press release contains statements that constitute “forward-looking information” within the meaning of 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. Forward-looking statements reflect the respective expectations, estimates or projections of Charbone’s management regarding future results or events, based on opinions, assumptions and estimates considered reasonable by management at the date the statements are made. Although Charbone believes that the expectations expressed 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 differ materially from those expressed in the forward-looking statements. Risks and uncertainties related to Charbone’s activities may affect forward-looking statements. These risks, uncertainties and assumptions include, without limitation, those described under “Risk Factors” in the Company’s management discussion and analysis for the period ended September 30, 2025, which can be accessed on SEDAR+ at www.sedarplus.ca; they could cause actual events or results to differ materially from those anticipated in the forward-looking statements. Unless required by applicable securities laws, Charbone does not undertake to update or revise the forward-looking statements.

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 press release.