Clean Seed Secures Major United States Patent Covering Multi-Product Precision Delivery Architecture

(TheNewswire)

November 25th, 2025 – TheNewswire – Vancouver, British Columbia – Clean Seed Capital Group Ltd. (“Clean Seed” or the“Company”) (NEX: CSX.H) is pleased to announce that the UnitedStates Patent and Trademark Office has issued Clean Seed the newpatent titled “BulkTransfer Delivery System for Multiple Agricultural Products.”

This newly granted patent reinforces the Company’sintellectual property portfolio supporting its advanced multi-productinput delivery systems. The patent protects the structural andmechanical architectures used to receive, isolate, route, and transfermultiple agricultural inputs including seed,fertilizer, and soil amendments from bulk storage compartments throughcontrolled transfer pathways and into downstream meteringenvironments.

The design includes independent flow-management assemblies,modular transfer channels, diverter components, and controlled routinggeometry engineered to maintain productseparation while supporting precise material handling under fieldconditions. These systems function as a core interface between bulkstorage and zone-based metering platforms.

The patented system is broadlyapplicable across a wide range of seeding and input-placementequipment, providing intellectual property protection that supportsthe ongoing development and evolution of Clean Seed’s multi-productinnovations.

CleanSeed’s Global Intellectual Property Framework

Since inception, Clean Seed has pursued a disciplinedstrategy of protecting its precision-seeding and multi-productdelivery technologies through a continuously expanding internationalpatent portfolio. Over more than a decade, the Company has securedbroad patent coverage that safeguard the SMART Seeder™ platform andthe underlying metering, flow control, and multi-product inputarchitectures that define its technological advantage.

These protections extend across key agriculturalmarkets and technology categories, covering core systems such aselectronic metering, multi-product flow assemblies, controlled routingmechanisms, and row-by-row variable-rate delivery frameworks.Collectively, these patents form a comprehensive and highly defensibleintellectual property foundation, one designed to support long-termscalability, reinforce competitive positioning, and uphold CleanSeed’s leadership in precision application as global agriculturecontinues to evolve.

Graeme Lempriere, Chairman and CEO,added:

“Yet another successful patentgrant represents another important reinforcement of the technicalframeworks that distinguish Clean Seed on the global stage. Ourpursuit of strong, defensible intellectual property has been apriority since the Company’s earliest days, and the dedication of our engineering anddevelopment teams has been critical in achieving that objective. Theirwork continues to ensure that our precision-input delivery systems areprotected by a broad and rigorous IP foundation. As we expand ourpresence in key agricultural markets, this level of protection remainsessential in supporting the Company’s positioning and the value webring to the industry.”

The United States Patent andTrademark Office granted the patent as United States Patent No.12,408,581 which will be in effect until June 30, 2042.

ON BEHALF OF THE BOARD

“Graeme Lempriere”

Chairman and CEO

glempriere@cleanseedcapital.com

About Clean Seed Capital Group Ltd.

Clean Seed is an agricultural technology companyaccelerating the commercialization of its award-winning,internationally patented SMART Seeder™ technologies. Designed forreal-world conditions these tools significantly reduce fertilizerusage while supporting higher crop performance and overall farmprofitability.

At the heart of Clean Seed’s offering is the SMARTSeeder™ system—a breakthrough in precision seeding that combinesadvanced electronic metering with intuitive software control. Itsability to deliver row-by-row variable rate inputs positions it as aleading innovation in the next generation of sustainablefarming.

The common shares of Clean Seed Capital Group Ltd. arelisted on the NEX branch of the TSX Venture Exchange and trade underthe symbol "CSX.H".

For further information please contact Clean Seed atinfo@cleanseedcapital.com and visit our website at www.cleanseedcapital.com .

Neither the TSX Venture Exchange,the NEX nor their Regulation Services Provider (as that term isdefined in the policies of the TSX Venture Exchange) acceptsresponsibility for the adequacy or accuracy of this release.

This press release is not an offer or a solicitation ofan offer of securities for sale in the United States. The commonshares of Clean Seed Capital Group Ltd. have not been and will not beregistered under the U.S. Securities Act of 1933, as amended, and maynot be offered or sold in the United States absent registration or anapplicable exemption from registration.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKINGINFORMATION:

This news release includes certain “forward-lookingstatements” as defined under applicable Canadian securitieslegislation. All information and statements contained herein that arenot clearly historical in nature constitute forward-lookinginformation, and the words “anticipate”, “estimate”, “believe”, “continue”, “could”,“expects”, “intend”, “plans”, "postulates","predict", “will”, “may” or similar expressionssuggesting future conditions or events or the negative of these termsare generally intended to identify forward-looking information.Forward-looking statements are necessarily based upon a number ofestimates and assumptions that, while considered reasonable, aresubject to known and unknown risks, uncertainties, and other factorswhich may cause the actual results and future events to differmaterially from those expressed or implied by such forward-lookingstatements. There can be no assurance that such statements will proveto be accurate, as actual results and future events could differmaterially from those anticipated in such statements.  Specifically,there is no assurance that the Company will be issued patents in theother jurisdictions for which its patent applications have beensubmitted. Clean Seed disclaims any intention or obligation to updateor revise any forward-looking statements, whether as a result of newinformation, future events or otherwise, except as required by law.

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