Westwater Resources Reports Strong Progress in Advancing the Coosa Graphite Mine

Key Permitting Milestones Advancing Under FAST-41 Dr. Anne Duncan Hired as GM, Coosa Graphite Mine Preliminary Mine Planning and Design Work Underway

Westwater Resources, Inc. (NYSE American: WWR) , an energy technology and battery-grade natural graphite company (“Westwater” or the “Company”), today announced continued progress related to the Coosa Graphite Mine (“Coosa”) in Coosa County, Alabama.

Coosa is advancing as a covered project under FAST-41, which provides a coordinated and transparent framework for federal environmental review and permitting. Westwater continues to work with participating agencies in accordance with the project timetable published on the federal Permitting Dashboard , which currently targets completion of the permitting process for Coosa in June 2027.

“We are making steady progress across the permitting workstreams required to advance Coosa responsibly,” said Frank Bakker, President and Chief Executive Officer of Westwater Resources. “The completion of the Endangered Species Act consultation ahead of schedule, advancement of the Section 404 permit beyond public comment and completion of important environmental fieldwork reflect the work underway. Coosa remains an important component of our mine-to-market strategy and is intended to provide a secure, long-term domestic source of natural graphite feedstock for our Kellyton Graphite Plant.”

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Westwater will continue advancing Coosa in alignment with the FAST-41 timetable while working closely with USACE, ADEM, the U.S. Fish and Wildlife Service and other federal, state and local stakeholders. As the permitting process progresses, Westwater is also advancing the technical work needed to support future mine planning and design at Coosa.

Westwater has initiated studies to advance preliminary mine planning and design for the Coosa Graphite Mine. These studies will evaluate the potential value of the vanadium mineralization at Coosa and its inclusion in the mine plan.

Westwater Appoints Dr. Anne Duncan as General Manager of the Coosa Graphite Mine

Westwater has appointed Dr. Anne Duncan as General Manager of the Coosa Graphite Mine, effective October 26, 2026.

Dr. Duncan brings more than 35 years of experience in chemical and materials engineering, spanning refining, operations, and project execution on five continents. She joins Westwater having had a distinguished career with leading mining and mining engineering firms such as Syrah, Hatch and Rio Tinto Aluminum.

“We are excited to have Dr. Duncan join Westwater to lead the continued development of the Coosa Graphite Mine,” said Terence Cryan, Executive Chairman of Westwater. “Her appointment comes at a critical time and will allow us to continue the strong progress we have had over the past year in developing the Coosa Graphite Mine. We look forward to her ongoing contributions.”

Dr. Duncan holds a Ph.D. in Chemical Engineering from the University of Auckland, a Masters of Metallurgy and Materials Science from the University of Toronto, and a B.Eng.