Zentek Announces New PEA for Albany Graphite: US$3.85 Billion After-Tax NPV at a 5% Discount Rate, 27.4% After-Tax IRR, on an Acid-Free Route to 99.9992% Purity Graphite

Initial capital of US$817 million, after-tax payback of 4.4 years and a 30-year mine life, for the nuclear, defence and allied-nation supply chains the Project targets.

Guelph, Ontario--(Newsfile Corp. - August 10, 2026) - Zentek Ltd. (TSXV: ZEN) (NASDAQ: ZTEK) ("Zentek" or the "Company") today reported the results of its new Preliminary Economic Assessment ("PEA") for its Albany Graphite Project ("Albany" or the "Project"), located near Hearst, Ontario, Canada, prepared by Micon International Limited ("Micon") in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101").