September 30, 2025 – Toronto, Ontario – Base Carbon Inc. (Cboe CA: BCBN) (OTCQX: BCBNF) with operations through its wholly-owned subsidiary, Base Carbon Capital Partners Corp. (“**BCCPC**”, together, with affiliates, “**Base Carbon**”, or the “**Company**”), is pleased to announce that carbon credit registry Verra has approved the application of CORSIA-compliant methodology VM0050 to the Company’s Rwanda Cookstoves project. 

As previously disclosed, the DelAgua Group, project developer for the Rwanda Cookstoves project, has been working to transition the project to Verra’s latest methodological standard, being "VM0050”, “Energy Efficiency and Fuel-Switch Measures in Cookstoves, v1.0”. The Rwanda Cookstoves project is one of the first projects to have successfully completed this process and was recently highlighted in a [Video Publication](https://www.youtube.com/watch?v=HzAtDwv7LhU) released by Verra. Verra’s VM0050 methodology will be applied to requantify previously issued carbon credits held in inventory by the Company, as well as future carbon credits issued from the Rwanda Cookstoves project. Carbon credits issued under VM0050 currently satisfy the standards for use under the Carbon Offsetting and Reduction Scheme for International Aviation (“**CORSIA**”). 

Following requantification, the Company expects to hold a revised inventory balance of approximately 1.0 to 1.2 million CORSIA-aligned carbon credits. These carbon credits are expected to be eligible for delivery into CORSIA as well as other Article 6 compliance markets once Verra has finalized its Corresponding Adjustment insurance requirements, which is anticipated in the near-term. The Company believes that this milestone will transition Base Carbon’s inventory into a premium, compliance-grade carbon credit balance which is expected to command materially higher values in a market defined by scarcity and accelerating demand.

CORSIA requires international airlines to offset growth in aviation emissions above 85% of 2019 levels¹, creating immediate compliance demand for CORSIA-eligible carbon credits. Independent forecasts estimate that CORSIA Phase One (covering years 2024-2026) carbon credit market pricing could rise to between US$26.00 and US$63.00 per tonne², underscoring the inherent structural shortfall that exists in today’s marketplace. 

“The transition of the Rwanda Cookstoves project to the latest VM0050 methodology marks a watershed moment and a further proof-of-concept for Base Carbon’s business strategy,” said Michael Costa, CEO of Base Carbon. “CORSIA is a powerful catalyst for value creation: both our inventory and our ongoing portfolio of carbon credit generation are strategically positioned to supply credits to global airlines as they face rapidly escalating compliance obligations and a scarcity of eligible carbon reduction credits. This requantification significantly increases the value of our inventories and portfolio for our shareholders through increased pathways to monetization, near-term compliance-based demand and the associated expected premium pricing.”

### Investor Town Hall

The management team will provide a business update and respond to investor questions via Zoom Webinar. Registration instructions are published below. The Company invites current and prospective shareholders to attend this business update call and Q&A session.

**DATE:** Today, September 30th, 2025 
**TIME:** 11:00 a.m. EDT 
**LOCATION:** Zoom Webinar. To receive the meeting link and passcode, please register [here](https://us06web.zoom.us/webinar/register/WN_-zjqiEEYQmG4ehJeuZ3qPQ#/registration). 
**QUESTIONS:** Please submit questions ahead of time to: investorrelations@basecarbon.com. 


### About Base Carbon

Base Carbon is a financier of projects involved primarily in the global voluntary carbon markets. We endeavor to be the preferred carbon project partner in providing capital and management resources to carbon removal and abatement projects globally and, where appropriate, will utilize technologies within the evolving environmental industries to enhance efficiencies, commercial credibility, and trading transparency. For more information, please visit [www.basecarbon.com](https://basecarbon.com/).

### Media and Investor Inquiries

Base Carbon Inc. 
Investor Relations 
Tel: +1 647 952 3979 
E-mail: investorrelations@basecarbon.com

Media Inquiries 
E-mail: media@basecarbon.com 

**Cautionary Statement Regarding Forward Looking Information** 

_This press release contains “forward-looking information” within the meaning of applicable securities laws relating to the focus of Base Carbon’s business, the expected issuance, and timing, of carbon credits, the timing and nature of the implementation of the new methodology for the Rwanda Cookstoves project and the timing and number of requantified carbon credits, the application of Article 6 of the Paris Agreement and the “Article 6 Authorized label” and market reaction thereto, the receipt of proceeds from the disposition of carbon credits or revenue sharing arrangements, the implementation of the CORSIA framework, including necessary insurance and timing of eligibility and participation of carbon credits and carbon credit methodologies thereunder, and the market demand and supply and price of CORSIA eligible carbon credits. In some cases, but not necessarily in all cases, forward-looking information may be identified by the use of forward-looking terminology such as “expects”, “anticipates”, “intends”, “contemplates”, “believes”, “projects”, “plans” or variations of such words and similar expressions or state that certain actions, events or results “may”, “could”, “would”, “might”, “will” or “will be taken”, “occur” or “be achieved”. In addition, any statements that refer to expectations, projections or other characterizations of future events or circumstances contain forward-looking information. Statements containing forward-looking information are not historical facts but instead represent management’s expectations, estimates and projections regarding future events. These statements should not be read as guarantees of future performance, results, or achievements._
 
_Although management believes that the anticipated future results, performance or achievements expressed or implied by the forward-looking information are based upon reasonable assumptions and expectations, readers should not place undue reliance on forward-looking information because it involves assumptions, known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements to differ materially from anticipated future results, performance or achievements expressed or implied by such forward-looking information._
 
_In respect of the Rwanda Cookstoves project, certain factors that influence the commercial success of the project, including the timing and number of expected carbon credits, include among other things: (i) the Company has retained industry leading experts/consultants/advisors to assist with the evaluation, planning, negotiation and execution of the project, (ii) the work product, including monitoring reports, of the project’s validation and verification body, (iii) project carbon credit market prices, (iv) the verification of ongoing project monitoring reports and issuance of carbon credits by Verra, and (v) changes to laws, regulation or policies in applicable jurisdictions._
 
_In respect of the Rwanda Cookstoves project, certain assumptions that influence the commercial success of the project, including the timing and number of expected carbon credits, include among other things: (i) distributed cookstoves perform to specification when used and participating households use the devices as contemplated by project estimates, (ii) the Company’s in-country project partner, the DelAgua Group, perform their obligations in connection with the development and operation of the project, (iii) there is no further changes in the project methodologies used by the applicable carbon credit registry or otherwise adopted by project proponents which results in less carbon credits being issuable, (iv) positive market recognition of the attributes linked to the Company’s carbon credits (such as project methodologies and changes thereto) and acceptance of such carbon credits by emissions trading schemes or compliance programs such as CORSIA, and (v) continued participant involvement and public support, including that of applicable governmental authorities, of the voluntary and compliance carbon markets._
 
_The forward-looking statements made herein are subject to a variety of risk factors and uncertainties, many of which are beyond the Company’s control, which could cause actual events or results to differ materially and adversely from those reflected in the forward-looking statements. Readers are cautioned that forward-looking statements are not guarantees of future performance. Specific reference is made to the management’s discussion and analysis for the Company’s quarter ended June 30, 2025 and the most recent Annual Information Form on file with the Canadian provincial securities regulatory authorities (and available on www.sedarplus.ca) for a more detailed discussion of some of the factors underlying forward-looking statements and the risks that may affect the Company’s ability to achieve the expectations set forth in the forward-looking statements contained in this press release._
 
_Should one or more of the risks and uncertainties materialize, or should underlying assumptions prove incorrect, actual events or results may vary materially and adversely from those described in the forward-looking information. The forward-looking information contained in this press release is provided as of the date of this press release, and the Company expressly disclaims any obligation to update or alter statements containing any forward-looking information, or the factors or assumptions underlying them, whether as a result of new information, future events or otherwise, except as required by law._



¹ Source: IATA, Fact Sheet: CORSIA – Carbon Offsetting and Reduction Scheme for International Aviation. Available at: [iata.org.](https://www.iata.org/en/iata-repository/pressroom/fact-sheets/fact-sheet-corsia/)
 
² Source: MSCI, 2Q25 Carbon Credit Markets in Review – CORSIA Phase I Review and Outlook, July 2025. Available at: [msci.com](https://www.msci.com/downloads/web/msci-com/discover-msci/events/event-assets/2025/july/vcm-in-review-2q25-corsia/MSCI%20VCM%20in%20Review%20CORSIA_Slides.pdf).



View Original Content: [[https://www.globenewswire.com/news-release/2025/09/30/3158476/0/en/Base-Carbon-to-Receive-Carbon-Credits-Under-CORSIA-Approved-VM0050-Methodology.html](https://www.globenewswire.com/news-release/2025/09/30/3158476/0/en/Base-Carbon-to-Receive-Carbon-Credits-Under-CORSIA-Approved-VM0050-Methodology.html)]

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Base Carbon to Receive Carbon Credits Under CORSIA Approved VM0050 Methodology

Published on September 30, 2025

Base Carbon to Receive Carbon Credits Under CORSIA Approved VM0050 Methodology