Skeena Confirms Filing of Joint BC Mines Act and Environmental Management Act Applications; Releases Video Highlighting Environmental Assessment Application for Eskay Creek

Press Release

Vancouver, BC (May 5, 2025) Skeena Resources Limited (TSX: SKE, NYSE: SKE) (“Skeena Gold and Silver”, “Skeena” or the “Company”) is pleased to report continued progress on the permitting timeline for its 100%-owned Eskay Creek Gold-Silver Project (“Eskay” or the “Project”). The Company has filed the Joint Permit Application for the BC Mines Act (“MA) and Environmental Management Act (“EMA”) with the BC Major Mine Office (MMO) for joint review with the Tahltan Central Government (“TCG”). Uploading of the application started on April 22 and was completed on April 30, 2025.

Randy Reichert, Chief Executive Officer of Skeena, commented: “We are proud to announce that we have filed both the revised Environmental Assessment application and the BC Mines Act and Environmental Management Act application in close succession. This achievement is noteworthy within the industry and demonstrates our commitment to advancing the project according to our timeline. The EA Certificate and amended authorizations under the MA and EMA are anticipated in the fourth quarter of this year, marking a significant milestone toward restarting operations at Eskay Creek.”

Short Documentary Highlighting Environmental Assessment Application

Skeena is pleased to release a short video that brings to life the recently submitted Environmental Assessment Certificate (EAC) Application for the Project. The video provides an overview of the comprehensive EA process in British Columbia and showcases the Company’s commitment to socially responsible development in close collaboration with the Tahltan Nation. It highlights key areas of environmental stewardship, community engagement, and sustainable project design that form the foundation of the EAC Application.

The video is now available here, on our website, and social media channels.

About Skeena

Skeena is a leading precious metals developer that is focused on advancing the Eskay Creek Gold-Silver Project – a past producing mine located in the renowned Golden Triangle in British Columbia, Canada. Eskay Creek will be one of the highest-grade and lowest cost open-pit precious metals mines in the world, with substantial silver by-product production that surpasses many primary silver mines. Skeena is committed to sustainable mining practices and maximizing the potential of its mineral resources. In partnership with the Tahltan Nation, Skeena strives to foster positive relationships with Indigenous communities while delivering long-term value and sustainable growth for its stakeholders.

On behalf of the Board of Directors of Skeena Gold & Silver,

Walter Coles
Executive Chairman

Randy Reichert
President & CEO

For further information, please contact:

Galina Meleger
Vice President Investor Relations
E: info@skeenagold.com
T: 604-684-8725
W: www.skeenagoldsilver.com

IBF4