SOURCE Rebellion Energy Solutions

TULSA, Okla., Oct. 30, 2025 /PRNewswire/ -- Rebellion Energy Solutions' Heartland 3 Methane Abatement and Land Restoration Project [ACR1023] has received a Carbon Project Rating of AA from MSCI, placing it in the top 10 percent of all carbon projects MSCI has rated.

The AA-level MSCI Carbon Project Rating, which evaluates the environmental integrity of carbon projects, indicates a "high likelihood" that each credit represents a real and additional one-tonne reduction of CO2e emissions. Heartland 3 also received top-10 percent scores across all core emissions integrity criteria: additionality, quantification and permanence.

The rating applies to approximately 600,000 metric tonnes CO2e of verified methane-abatement credits, brought to market from ACR1023 from this U.S.-based project, the majority of which is 2024 vintage.

"A top-tier rating like this confirms that climate impact can be measured with discipline. It also pushes the conversation forward – toward greater accountability, transparency and trust in the market," said Staci Taruscio, CEO of Rebellion Energy Solutions.

Heartland 3 builds on Rebellion's crediting track record, including its BeZero Carbon "A"-rated pilot and growing portfolio of independently validated projects under ACR's orphan well methodology.

Rebellion Energy Solutions develops and markets premium-quality carbon credits from abating methane emissions from orphan oil and gas wells, setting a new benchmark for integrity through internal policies that ensure conservative, high-certainty estimates of the climate benefit.

By combining technical expertise, landowner collaboration and market discipline, Rebellion offers carbon buyers a credible path to climate impact – and positions itself as a leader in the evolution and integrity of carbon markets.

For More Information

Parties interested in technical documentation or credit availability may contact: [email protected].

About Rebellion Energy Solutions

Rebellion Energy Solutions, a portfolio company of Grey Rock Investment Partners, is headquartered in Tulsa, Oklahoma. Rebellion is a woman-led company with a multi-disciplinary team committed to environmental justice and sustainable solutions through oilfield cleanup. Its work supports land restoration, climate mitigation, and the generation of high-integrity, independently verified methane-abatement credits.

About Grey Rock Investment Partners

Grey Rock Investment Partners is a Dallas-based private equity firm that invests across the energy value chain, focusing on natural resources, geothermal power, carbon capture, industrial decarbonization and methane-abatement projects.

Required MSCI Attribution and Disclaimer

Heartland 3 was assigned a Carbon Project Rating of AA by MSCI as of October 24, 2025.

This is a solicited rating.

The Carbon Project Rating: (a) was sourced by Trove Research Limited, its affiliates, or their information providers ("MSCI Parties") and prepared for compensation; (b) reflects only an analysis of carbon characteristics and is not designed for a particular investment use; (c) is not a credit rating, securities research report, or assessment of creditworthiness, credit risk, liquidity, market value, or price volatility; (d) does not endorse the accuracy of data or conclusions, or assess the financial condition of any project or entity; (e) should not be relied on as a guarantee of future performance, analysis, forecast, or prediction; (f) does not consider individual or institutional objectives, financial situations, or needs; (g) is provided solely for informational purposes without warranty as to accuracy, quality, completeness, or usefulness; (h) is current only as of its rating assessment date and may be modified or withdrawn without notice; (i) is not an investment promotion, expert opinion, assurance, offering document, or recommendation to buy or sell securities, credit commitments, or other assets; (j) is based partly on information provided by the rated project, which the MSCI Parties do not verify; (k) may include non-public information and differ from later Carbon Project Ratings; (l) may not reflect actual environmental, social, or governance risks; (m) has not been approved by any regulatory authority; and (n) may not be altered, copied, redistributed, or used to create derivative works, indexes, models, analytics, software, or to train any large language model or other artificial intelligence system without Trove Research Limited's prior written consent. The Carbon Project Rating is provided "as is," and users assume all risk of use. THE MSCI PARTIES MAKE NO WARRANTIES, EXPRESS OR IMPLIED (INCLUDING MERCHANTABILITY OR FITNESS FOR PURPOSE), REGARDING THE RATING OR RELATED INFORMATION, AND DISCLAIM ALL LIABILITY FOR ERRORS, OMISSIONS, OR ANY DIRECT, INDIRECT, SPECIAL, PUNITIVE OR CONSEQUENTIAL DAMAGES (INCLUDING LOST PROFIT(S), EVEN IF ADVISED OF SUCH POSSIBILITY). All uses of the Carbon Project Rating are also subject to the disclaimer at: https://www.msci.com/notice-and-disclaimer-for-reporting-licenses, which may be updated by MSCI from time to time.

For more information:
Kerry Malone
[email protected]
918-625-4958

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