WESTERN COPPER FORMALLY EXTENDS INVESTOR RIGHTS AGREEMENT WITH MITSUBISHI MATERIALS
1. Mitsubishi Materials increased stake in WRN to approximately 5%. 2. Investor rights agreement extended to May 30, 2026. 3. Western Copper focuses on advancing the Casino Project with Mitsubishi's support. 4. Casino Project considered premier copper-gold mine in the Yukon. 5. Company committed to responsible mining practices with local communities.