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Brossard, Quebec, April 2, 2026 - TheNewswire – CHARBONE CORPORATION (TSXV: CH; OTCQB: CHHYF; FSE: K47) (“CHARBONE ” or the “Company ”), a North American producer and distributor specializing in clean Ultra High Purity (“ UHP ”) hydrogen and strategic industrial gases, announces the continuation of its helium market activities with the refilling of a dedicated trailer to serve an existing customer in Ontario.

This operation confirms the commercial continuity of CHARBONE’s Helium division, initially launched in 2025, and is aligned with the Company’s strategy to build an integrated platform for the distribution of strategic industrial gases across North America.

The Type 1 cylinder trailer, specifically dedicated to helium, has been refilled under the current supply agreement with an independent distributor in Ontario, demonstrating CHARBONE’s operational capability to deliver reliable and recurring service in a high-demand market.

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A Strategic Positioning Complementary to Hydrogen

CHARBONE reiterates that helium represents a complementary pillar to its core UHP hydrogen business. This approach enables the Company to diversify its revenue streams while optimizing its logistics network and customer relationships.

In the current context of geopolitical tensions and supply constraints in global helium markets, CHARBONE is particularly well positioned, having anticipated the development of this segment as previously announced in its press releases dated March 31, 2025, and October 23, 2025.

“ Our decision to integrate helium into our offering reflects a clear vision: to build a complete and resilient industrial gas company capable of serving our customers with diversified and secure solutions ,” said Dave Gagnon, CHARBONE’s Chief Executive Officer and Chairman of the Board. “ In an uncertain global environment, our ability to reliably deliver critical molecules such as helium and hydrogen becomes a key competitive advantage . ”

The Company intends to continue developing its Helium division across North America by leveraging its supply partnerships, logistics capabilities, and the sustained growth in demand from key sectors such as electronics, healthcare, advanced manufacturing, and high-tech industries.

About CHARBONE CORPORATION

CHARBONE is a developer and producer of clean Ultra High Purity (UHP) hydrogen with a growing industrial gas distribution platform. Through a modular approach, CHARBONE is focused on developing a network of clean hydrogen production facilities throughout North America and select markets abroad, starting with its flagship Sorel-Tracy project in Quebec. The Company’s integrated model reduces risk, enhances scalability, and enables diversified revenue streams through partnerships in helium and other specialty gases. CHARBONE is committed to supporting the global transition to a lower-carbon economy by providing accessible, decentralized clean hydrogen and specialty gas solutions while supporting underserved industrial gas customers and accelerating the shift to 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) . 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 Management’s Discussion & Analysis for the period ended September 30, 2025, 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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