Carbon Streaming reports Upenergy default under Community Carbon Stream buyout

TORONTO, June 30, 2026 (GLOBE NEWSWIRE) -- Carbon Streaming Corporation (Cboe CA: NETZ ) (OTCID:  OFSTF ) (FSE:  M2Q ) (“ Carbon Streaming ” or the “ Company ”) announces that UpEnergy Group failed to pay the closing payment of US$4.9 million (the “ Buyout Payment Default ”) under the previously announced Community Carbon Buyout Agreement between UpEnergy Group, Community Carbon (collectively, the “ UPE Parties ”) and the Company dated March 12, 2026 (the " Buyout Agreement "). As a result of the Buyout Payment Default, the Buyout Agreement terminated in accordance with its terms, and the Community Carbon Stream remains in full force and effect. Pursuant to the terms of the Buyout Agreement, the UPE Parties agreed to acquire the Company’s interest in the Community Carbon Stream and related carbon credit inventory for total consideration of US$6.0 million, consisting of a US$100,000 non-refundable deposit payable on or before March 23, 2026 (which was received by the Company on March 23, 2026), a US$4.9 million closing payment payable on or before May 30, 2026, which increased to US$5.0 million if paid on or before June 30, 2026, and US$1.0 million payable in installments for the purchase of all of the Company’s carbon credits from the Project held in its inventory as of March 12, 2026.

The Company is evaluating its rights and remedies under, among other things, the Community Carbon Stream and intends to protect its investment and strictly enforce its legal and contractual rights. About Carbon Streaming Carbon Streaming's focus is to maximize value for its shareholders by optimizing both its portfolio of carbon credit projects that have a positive impact on the environment, local communities and biodiversity and its cash resources. ON BEHALF OF THE COMPANY: Marin Katusa, Chief Executive Officer Tel: 365.607.6095 info@carbonstreaming.com www.carbonstreaming.com Investor Relations investors@carbonstreaming.com Media media@carbonstreaming.com Cautionary Statement Regarding Forward-Looking Information This news release contains certain forward-looking statements and forward-looking information (collectively, “ forward-looking information ”) within the meaning of applicable securities laws.

All statements, other than statements of historical fact, that address activities, events or developments that the Company believes, expects or anticipates will or may occur in the future, are forward-looking information, including, without limitation, statements with respect to the Company’s evaluation its rights and remedies, enforcement of its legal and contractual rights and maximizing shareholder value; When used in this news release, words such as “estimates”, “expects”, “plans”, “anticipates”, “will”, “believes”, “intends” “should”, “could”, “may” and other similar terminology are intended to identify such forward-looking information. This forward-looking information is based on the current expectations or beliefs of the Company based on information currently available to the Company. Forward-looking information is subject to a number of risks and uncertainties that may cause the actual results of the Company to differ materially from those discussed in the forward-looking information, and even if such actual results are realized or substantially realized, there can be no assurance that they will have the expected consequences to, or effects on, the Company.

They should not be read as a guarantee of future performance or results and will not necessarily be an accurate indication of whether or not such results will be achieved. Factors that could cause actual results or events to differ materially from current expectations include, among other things: general economic, market and business conditions and global financial conditions, including fluctuations in interest rates, foreign exchange rates and stock market volatility; volatility in prices of carbon credits and demand for carbon credits; change in social or political views towards climate change, carbon credits and environmental, social and governance initiatives and subsequent changes in corporate or government policies or regulations and associated changes in demand for carbon credits; the Company’s expectations and plans with respect to current litigation, arbitration and regulatory proceedings; limited operating history for the Company’s current strategy; concentration risk; inaccurate estimates of project value, which may impact the ability of the Company to execute on its growth and diversification strategy; dependence upon key management; impact of corporate restructurings; the inability of the Company to optimize cash flows or sufficiently reduce operating expenses; reputational risk; risks arising from competition and future acquisition activities failure or timing delays for projects to be registered, validated and ultimately developed and for emission reductions or removals to be verified and carbon credits issued (and other risks associated with carbon credits standards and registries); foreign operations and political risks including actions by governmental authorities, including changes in or to government regulation, taxation and carbon pricing initiatives; uncertainties and ongoing market developments surrounding the validation and verification requirements of the voluntary and/or compliance markets; due diligence risks, including failure of third parties’ reviews, reports and projections to be accurate; dependence on project partners, operators and owners, including failure by such counterparties to make payments or perform their operational or other obligations to the Company in compliance with the terms of contractual arrangements between the Company and such counterparties; failure of projects to generate carbon credits, or natural disasters such as flood or fire which could have a material adverse effect on the ability of any project to generate carbon credits; volatility in the market price of the Company’s common shares or warrants; the effect that the issuance of additional securities by the Company could have on the market price of the Company’s common shares or warrants; global health crises, such as pandemics and epidemics; and the other risks disclosed under the heading “Risk Factors” and elsewhere in the Company’s Annual Information Form dated as of March 30, 2026 filed on SEDAR+ at  www.sedarplus.ca .  Any forward-looking information speaks only as of the date of this news release. Although the Company believes that the assumptions inherent in the forward-looking information are reasonable, forward-looking information is not a guarantee of future performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein.

Except as may be required by applicable securities laws, the Company disclaims any intent or obligation to update any forward-looking information, whether as a result of new information, future events or results or otherwise. Globe Newswire June 30, 2026 - 3:30 PM PDT News by QuoteMedia www.quotemedia.com