Company Announcements

QUEBEC , Dec. 19, 2025 /PRNewswire/ - Devonian Health Group Inc. ("Devonian" or the "Company") (TSXV: GSD) (OTCQB: DVHGF), a biopharmaceutical Company specializing in the development of prescription drugs targeting inflammatory diseases today announced the grant of Stock Options.

Grant of Stock Options

The Company announces that the Board of Directors has approved the granting of 2,948,056 stock options to directors and a consultant of the Company. Of the options, 2,798,056 were granted to directors of the Company. The Options are exercisable (''vested'') at a price of $0.18 on grant date, for a period of 10 years following the grant date.

The Board of Directors has also approved the granting of 385,950 stock options to employees of the Company as part of their performance bonus and as retainer. In addition, 100,000 stock options were granted to a research and development consultant.These options are vested on the following schedule: 25% on grant date and then 25% per year for 3 years.

About Thykamine™

Thykamine™, the first pharmaceutical product issued from Devonian's SUPREX™ platform, is a highly innovative product for the prevention and treatment of health conditions related to inflammation and oxidative stress including ulcerative colitis, atopic dermatitis, psoriasis, rheumatoid arthritis, and other autoimmune disorders. The anti-inflammatory, anti-oxidative and immunomodulatory properties of Thykamine™ have been demonstrated by a considerable number of in vitro and in vivo studies as well as in a Phase IIa clinical study in patients with mild-to-moderate distal ulcerative colitis and in a large Phase II study in adult patients with mild-to-moderate Atopic Dermatitis. Both Thykamine™ and SUPREX™ platform are covered by patents issued in several North American, European and Asian countries.

About Devonian

Devonian Health Group Inc. is a clinical stage pharmaceutical company specializing in the development of drugs for various auto-immune inflammatory conditions with novel therapeutic approaches to targeting unmet medical needs. Devonian's core strategy is to develop prescription drugs for the treatment of inflammatory autoimmune diseases including but not limited to ulcerative colitis and atopic dermatitis. Based on a foundation of over 15 years of research, Devonian's focus is further supported by a U.S. Food and Drug Administration set of regulatory guidelines favoring a more efficient drug development pathway for prescription botanical drug products over those of traditional prescription medicines.

Devonian is also involved in the development of high-value cosmeceutical products leveraging the same proprietary approach employed with their pharmaceutical offerings. Devonian also owns a commercialization subsidiary, Altius, focused on selling prescription pharmaceutical products in Canada, under a license from brand name pharmaceutical companies.

Devonian Health Group Inc. was incorporated in 2015 and is headquartered in Quebec, Canada where it owns a state-of-the art extraction facility with full traceability 'from the seed to the pill'. Devonian is traded publicly on the TSX Venture Exchange (the "Exchange") (TSXV: GSD) and on OTCQB Venture Market (OTCQB: DVHGF).

For more information, visit www.groupedevonian.com.

Cautionary Note Regarding Forward-Looking Statements

All statements, other than statements of historical fact, contained in this press release including, but not limited to those relating, the impact of proposed optimizations at the Companys' projects, global liquidity and credit availability on the timing of cash flows and the values of assets and liabilities based on projected future conditions, changes in accounting policies, the impact of inflation, the PCT patents for Thykamine^TM might not be granted, and, generally, the above "About Devonian" paragraphs, which essentially describes the Company's outlook, constitute "forward-looking information" or "forward-looking statements" within the meaning of certain securities laws, and are based on expectations, estimates and projections as of the time of this press release.

Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable by the Company as of the time of such statements, are inherently subject to significant business, economic and competitive uncertainties and contingencies. These estimates and assumptions may prove to be incorrect. Many of these uncertainties and contingencies can directly or indirectly affect, and could cause, actual results to differ materially from those expressed or implied in any forward-looking statements. There can be no assurance that these assumptions will prove to be correct and there can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements.

By their very nature, forward-looking statements involve inherent risks and uncertainties, both general and specific, and risks exist that estimates, forecasts, projections and other forward-looking statements will not be achieved or that assumptions do not reflect future experience. Forward-looking statements are provided for the purpose of providing information about management's expectations and plans relating to the future. Readers are cautioned not to place undue reliance on these forward-looking statements as a number of important risk factors and future events could cause the actual outcomes to differ materially from the beliefs, plans, objectives, expectations, anticipations, estimates, assumptions and intentions expressed in such forward-looking statements. All the forward-looking statements made in this press release are qualified by these cautionary statements and those made in our other filings with the applicable securities regulators of Canada. The Company refuses any intention or obligation to update or revise any forward-looking statements or to explain any material difference between subsequent actual events and such forward-looking statements, except to the extent required by applicable law.

Neither the Exchange nor its Regulation Services Provider (as that term is defined in policies of the Exchange) accepts responsibility for the adequacy or accuracy of this release.

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SOURCE Devonian Health Group Inc.