Arizona Tribune - Genflow Biosciences PLC Announces Second European Patent Application

LONDON, UK / ACCESS Newswire / October 22, 2025 / Genflow Biosciences Plc (LSE:GENF)(OTCQB:GENFF) ("Genflow" or the "Company"), the only publicly listed longevity company in Europe, is pleased to announce that its second European patent application (Application No. 23821586.7, Publication No. EP4630038) titled "SIRT6 Variant for NASH" has been published in the European Patent Bulletin ("EPO").

Publication of the patent application in the European Patent Bulletin follows entry into the European phase under the Patent Cooperation Treaty (PCT) and represents a key milestone in

Genflow's expanding intellectual property (IP) portfolio.

This publication confers provisional protection under Article 67(3) of the European Patent Convention (EPC), enabling Genflow to claim retroactive damages in designated EPC states for infringing acts occurring after the publication date, once the patent is formally granted and national validation requirements are met.

Strategic Significance
This development marks continued progress in Genflow's comprehensive patent strategy to strengthen protection for its SIRT6 gene variant technologies and expand their therapeutic reach across metabolic and age-related disorders, including NASH (non-alcoholic steatohepatitis). It also reinforces Genflow's IP leadership in the longevity and metabolic disease space, complementing the recently published EP4338267 covering the Company's core SIRT6 variant for healthy aging. Together, these filings establish a robust European patent framework supporting Genflow's therapeutic platform and upcoming clinical programs.

Dr. Eric Leire, Chief Executive Officer of Genflow Biosciences, commented: "The publication of our second European patent marks another important validation of our science and IP strategy. With both of our key SIRT6 applications now public and provisionally enforceable in Europe, we have solidified the foundation for long-term value creation, enhanced partnership potential, and future grant protection across our portfolio."

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About Genflow Biosciences

Founded in 2020, Genflow Biosciences Plc. (LSE:GENF) (OTCQB:GENFF), a biotechnology company headquartered in the UK with R&D facilities in Belgium, is pioneering gene therapies to decelerate the aging process, with the goal of promoting longer and healthier lives while mitigating the financial, emotional, and social impacts of a fast-growing aging global population. Genflow's lead compound, GF-1002, works through the delivery of a centenarian variant of the SIRT6 gene which has yielded promising results. Genflow's 12-month proof-of-concept clinical trial evaluating their SIRT6-centenarian gene therapy in aged dogs began in March 2025. Other programs planned include a clinical trial that will explore the potential benefits of GF-1002 in treating MASH (Metabolic Dysfunction-Associated Steatohepatitis), the most prevalent chronic liver disease for which there are no effective treatments. Please visit www.genflowbio.com and follow the Company on LinkedIn and X.

DISCLAIMER

The contents of this announcement have been prepared by, and are the sole responsibility of, the Company.

This announcement may contain forward-looking statements. The forward-looking statements include, but are not limited to, statements regarding the Company's or the Directors' expectations, hopes, beliefs, intentions or strategies regarding the future. In addition, any statement that refers to projections, forecasts or other characterisations of future events or circumstances, including any underlying assumptions, is a forward-looking statement. The words "anticipate", "believe", "continue", "could", "estimate", "expect", "intend", "may", "might", "plan", "possible", "potential", "predict", "project", "seek", "should", "would" and similar expressions, or in each case their negatives, may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking.

Forward-looking statements include all matters that are not historical facts. Forward-looking statements are based on the current expectations and assumptions regarding the Company, the business, the economy and other future conditions. Because forward-looking statements relate to the future, by their nature, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Forward-looking statements are not guarantees of future performance and the Company's actual financial condition, actual results of operations and financial performance, and the development of the industries in which it operates or will operate, may differ materially from those made in or suggested by the forward-looking statements contained in this announcement. In addition, even if the Company's financial condition, results of operations and the development of the industries in which it operates or will operate, are consistent with the forward-looking statements contained in this announcement, those results or developments may not be indicative of financial condition, results of operations or developments in subsequent periods. Important factors that could cause actual results to differ materially from those in the forward-looking statements include regional, national or global, political, economic, social, business, technological, competitive, market and regulatory conditions.

Any forward-looking statement contained in this announcement applies only as of the date of this announcement and is expressly qualified in its entirety by these cautionary statements. Factors or events that could cause the Company's actual plans or results to differ may emerge from time to time, and it is not possible for the Company to predict all of them. The Company expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained in this announcement to reflect any change in its expectations or any change in events, conditions or circumstances on which any forward-looking statement contained in this announcement is based, unless required to do so by applicable law, the Prospectus Regulation Rules, the Listing Rules, the Disclosure Guidance and Transparency Rules of the FCA or the UK Market Abuse Regulation.

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SOURCE: Genflow Biosciences PLC

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