(via TheNewswire)

This new activity aims to support revenue growth, broaden the commercial offering and develop the Company's customer base in Quebec and other Canadian regions.

Varennes, Quebec – TheNewswire - October 21, 2026 – 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 , announces the addition of an industrial gas cylinder filling unit at its Sorel-Tracy site.

Specifically, this unit will allow CHARBONE to fill hydrogen and helium cylinders directly from the onset at its Sorel-Tracy site, with the ability to expand to other industrial gases and specialized mixtures in the future. These cylinders, also known as gas cylinders, are used to store, transport, and supply the gases required for various customer applications. CHARBONE will thus directly manage this step in preparing the products for its customers.

This new activity represents a further step in the development of CHARBONE's integrated platform. It aims to expand the markets accessible to the Company and generate new revenue opportunities through an offering tailored to the needs of industrial, commercial, and institutional clients.

A new lever for business development

The filling unit will primarily serve the Quebec market, while also supporting CHARBONE's business development elsewhere in Canada. Target customers include private companies and distribution partners, including independent distributors. The offering will also address supply needs related to certain government contracts and the defense sector.

By adding cylinder filling to the activities of its Sorel-Tracy site, CHARBONE is internalizing a step previously sources externally, which is expected to support margin improvement and enhance control over product quality and delivery timelines. This enables the Company to expand the services offered to its customers, develop new business relationships and strengthen its position in industrial gases.

Dave Gagnon, President and CEO of CHARBONE, declares : “ Our goal is to make Sorel-Tracy a growth engine for CHARBONE. By handling the filling of helium cylinders ourselves, and later industrial gases and specialty mixtures, we are expanding our offering and opening up new opportunities to grow our revenue with a diverse clientele. We are building a Canadian industrial gas group with the ambition of becoming a leading supplier for companies seeking to source their gases from a Canadian partner, reliably. Our priority is to develop lasting relationships with our customers and translate this business expansion into long-term value creation for our shareholders. ”

Expanding Market Presence Across Quebec and Canada This initiative further develops CHARBONE beyond hydrogen production, expanding the activities and services offered within its industrial gas platform. Helium, in particular, represents a high-demand industrial gas with constrained supply, making direct cylinder filling a strategically important capability for CHARBONE’s customers across sectors like semiconductors, aerospace and defense, and advanced manufacturing. The Company intends to leverage this new unit to increase its presence in Quebec and develop business opportunities with Canadian buyers seeking a long-term supply partner.

CHARBONE to Present at the Emerging Growth Conference

The Company has been invited to present at the upcoming Emerging Growth Conference, a live, interactive online event giving individual and institutional investors, advisors, and analysts the opportunity to receive a brief recap of recent achievements and path forward from CHARBONE’s CFO and Corporate Secretary, Benoit Veilleux.

Date: Thursday, October 29, 2026

Time: 3:10 PM ET

Register: https://goto.webcasts.com/starthere.jsp?ei=1772210&tp_key=8ae90219a3&sti=ch

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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