Guelph, Ontario, February 25, 2026 – Zentek Ltd. (“Zentek” or the “Company”) (TSX-V: ZEN) (NASDAQ: ZTEK) announces that, further to its press release dated August 27, 2025, it has been granted a 180 calendar day extension from The Nasdaq Stock Market LLC ("Nasdaq") to regain compliance with the Nasdaq's minimum $1.00 bid price requirement set forth in Nasdaq Listing Rule 5550(a)(2) (the "Rule") for continued listing on Nasdaq (the "Minimum Bid Price Requirement"), following the expiration of the initial 180 calendar day period to regain compliance on February 23, 2026. The Company now has until August 24, 2026, to meet the Minimum Bid Price Requirement set forth in Nasdaq Listing Rule 5550(a)(2).
There is no immediate effect on the listing or trading of the Company's shares, which will continue to trade on the Nasdaq under the symbol "ZTEK." To regain compliance with the Rule, the Company must maintain a closing bid price of at least $1.00 per share for a minimum of ten (10) consecutive business days on or prior to August 24, 2026. Zentek's management intends to actively monitor the bid price for its Shares and will consider all available options to regain compliance with the Nasdaq minimum bid price requirement.
About Zentek Ltd.
Zentek Ltd. is a Canadian company advancing a portfolio of graphene‑enabled advanced material technologies across healthcare, clean air and next‑generation industrial applications. Zentek develops and scales materials‑innovation solutions that aim to make partner products better, safer and more energy‑efficient, while unlocking new high‑value markets for ultra‑high‑purity graphite in nuclear, battery and semiconductor applications.
For further information:
Mohammed (Moe) Jiwan
Chief Executive Officer
Phone: 647-287-9582
Email: mjiwan2@zentek.com
To find out more about Zentek, please visit our website at www.Zentek.com. A copy of this news release and all material documents in respect of the Company may be obtained on Zentek’s SEDAR+ profile at http://www.sedarplus.ca/.
Forward-Looking Statements
This news release contains forward-looking statements. Since forward-looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties. Although Zentek believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Zentek refuses any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
About Zentek Ltd.
Zentek is an ISO 13485‑certified intellectual property development and commercialization company that builds and advances distinct brands in filtration, biosciences and critical minerals using graphene‑based nanomaterials and aptamer technologies.
Zentek's ZenGUARD™ production facility is located in Guelph, Ontario.
To find out more about Zentek, please visit www.zentek.com. A copy of this news release and other material documents in respect of the Company may be obtained on Zentek's SEDAR+ profile at www.sedarplus.ca.
Forward-Looking Statements
This news release contains forward‑looking statements. Since forward‑looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties and other factors that could cause actual events or results to differ materially from those projected in the forward‑looking statements. Such risks and uncertainties include, but are not limited to, operational risks in exploration, development and production; delays or changes in plans with respect to exploration or development projects or capital expenditures; the uncertainties involved in the discovery and delineation of mineral deposits, resources or reserves; the uncertainty of resource and reserve estimates and the ability to economically exploit resources and reserves; the uncertainty of estimates and projections in relation to production, costs and expenses; the uncertainty surrounding the ability of the Company to obtain all permits, consents or authorizations required for its operations and activities; market and regulatory risks; and health, safety and environmental risks. Although Zentek believes that the assumptions and factors used in preparing the forward‑looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Zentek disclaims any intention or obligation to update or revise any forward‑looking information, whether as a result of new information, future events or otherwise, other than as required by law. Further studies, financing, permits and approvals would be required before a production decision Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.