• Tuckanarra Resources initiated proceedings in Western Australia's Supreme Court against Monument Mining's wholly owned subsidiary, Monument Murchison.
• The injunction application seeks to block an October 21, 2026, joint venture committee meeting to appoint a replacement manager.
• Monument Murchison's August 25, 2026, breach notice concerns Tuckanarra's third-party toll milling agreement for the Tuckanarra Gold Project.
• The subsidiary maintains the breach remained unresolved, ending Tuckanarra's management role effective September 25, 2026; Tuckanarra disputes that position.
• Both parties agreed to interim arrangements and an expedited dispute timetable; court orders remain subject to determination.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Monument Mining Limited published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202610201235PRIMZONEFULLFEED9849634) on October 20, 2026, and is solely responsible for the information contained therein.