Monument Mining Provides Update on Tuckanarra Joint Venture

Monument faces a legal dispute over Tuckanarra Gold Project management control.

What the company is saying

Monument Mining Limited, through its subsidiary Monument Murchison Pty Ltd, holds a 20% interest in the Tuckanarra Gold Project joint venture in Western Australia, with Tuckanarra Resources Pty Ltd holding the remaining 80%. The company discloses that Tuckanarra has initiated Supreme Court proceedings seeking to block a management committee meeting called by Monument Murchison to appoint a Replacement Manager, following Monument's claim that Tuckanarra ceased to be Manager under the Exploration Joint Venture Agreement (EJVA). Monument frames its position as a procedural enforcement of the EJVA, specifically referencing a notice of breach issued on August 25, 2026, regarding Tuckanarra's toll milling agreement with a third party. The announcement emphasizes Monument’s commitment to advancing the project in accordance with the EJVA and to protecting the rights of both joint venture participants, while supporting third-party toll milling only if properly authorized. The tone is neutral, procedural, and focused on legal process, with no promotional language or claims of imminent operational progress. President and CEO Cathy Zhai is the named executive, but the release does not attribute direct quotes to her. The company states it will provide further updates as material developments occur.

What the data suggests

Monument Murchison Pty Ltd holds a 20% participating interest and Tuckanarra Resources Pty Ltd holds an 80% interest in the Tuckanarra Gold Project. Monument Mining Limited 100% owns and operates the Selinsing Gold Mine in Malaysia and the Murchison Gold Project in Western Australia. The company employs approximately 297 people across both regions. The legal dispute centers on Monument Murchison’s assertion that Tuckanarra ceased to be Manager of the joint venture effective September 25, 2026, after an alleged unremedied breach related to a toll milling agreement. Tuckanarra disputes both the breach and its removal as Manager. Interim arrangements and an expedited court timetable have been agreed, but the outcome and terms of any court orders remain undetermined. No financial performance data, production figures, or operational milestones are disclosed. The facts provided are limited to ownership percentages, project locations, employee count, and the status of legal proceedings. The evidence supports only the existence of the dispute and the current structure of project ownership.

Analysis

The announcement is a factual update on a legal dispute regarding management of the Tuckanarra Gold Project joint venture. The language is restrained and procedural, focusing on the positions of the parties, the status of court proceedings, and interim arrangements. There are no exaggerated claims of imminent operational or financial benefit, nor are there promotional statements about project advancement beyond standard commitments to process and rights. The only forward-looking statements relate to ongoing commitment to the project, evaluation of development options, and intent to engage in dispute resolution, all of which are routine in such contexts. No large capital outlay or immediate earnings impact is disclosed, and there is no attempt to frame the situation as a near-term value driver. The data supports only the current legal and ownership status, with no inflation of progress or benefit.

Risk flags

• ●The ongoing legal dispute over management control of the Tuckanarra Gold Project introduces significant uncertainty regarding project governance and future decision-making. Until the court resolves the issue, operational progress may be stalled or subject to further challenge.
• ●The outcome of the Supreme Court proceedings is unpredictable, and interim arrangements are explicitly stated to be without prejudice to the parties’ positions. This means that either party could lose management rights or face adverse rulings, impacting control and value realization.
• ●The dispute stems from Monument Murchison’s claim of a material breach by Tuckanarra related to a third-party toll milling agreement. If the court finds against Monument’s interpretation of the EJVA, Monument could lose influence over project operations and future development decisions.
• ●No financial, production, or operational data is disclosed for the Tuckanarra Gold Project, making it impossible to assess the underlying asset’s near-term value or performance. The lack of such data increases uncertainty for investors.

Bottom line

This announcement signals a material governance dispute at the Tuckanarra Gold Project, with Monument Mining Limited seeking to assert management control following an alleged breach by its joint venture partner. The facts are limited to legal positions, ownership percentages, and the procedural status of the dispute, with no operational or financial data provided for the project. Until the Supreme Court of Western Australia rules on the injunction and the underlying management question, the project’s advancement and any potential value realization are on hold. Investors should recognize that the outcome could materially affect Monument’s influence and future participation in the project. The most important takeaway is that legal uncertainty now overshadows any operational progress at Tuckanarra, and the timeline for resolution is unknown.

Announcement summary

(TSXV:MMY, FSE:D7Q1) Monument Mining Limited provides an update on the Tuckanarra Gold Project joint venture in Western Australia, where its wholly owned subsidiary, Monument Murchison Pty Ltd, holds a 20% participating interest and Tuckanarra Resources Pty Ltd, a subsidiary of Odyssey Gold Ltd, holds an 80% participating interest. Tuckanarra Resources Pty Ltd has commenced proceedings in the Supreme Court of Western Australia and applied for an interlocutory injunction to prevent Monument Murchison Pty Ltd from holding a Management Committee meeting scheduled for October 21, 2026. The meeting was called by Monument Murchison for the purpose of appointing a Replacement Manager, following its position that Tuckanarra ceased to be Manager under the Exploration Joint Venture Agreement (EJVA). The court application also seeks to restrain certain related steps in reliance on Monument Murchison’s August 25, 2026 notice of breach. The parties have agreed to interim arrangements and an expedited timetable for resolution of the dispute, with the outcome and terms of any court orders still to be determined. Monument Murchison maintains that Tuckanarra ceased to be Manager under clause 5.1(b)(ii) of the EJVA, and any interim arrangements are without admission concerning the validity of Tuckanarra’s removal as Manager. Monument Murchison reserves its rights under the EJVA. As previously disclosed, Monument Murchison issued a notice of breach to Tuckanarra on August 25, 2026, under the EJVA dated October 13, 2020, regarding Tuckanarra’s entry into a toll milling agreement with a third party. Monument Murchison asserts that the material breach was not remedied within the contractual period and that Tuckanarra ceased to be Manager of the joint venture effective September 25, 2026, pursuant to clause 5.1(b)(ii) of the EJVA. Tuckanarra disputes Monument Murchison’s position regarding the breach and removal. Monument states it remains committed to the orderly advancement of the Tuckanarra Gold Project in accordance with the EJVA and supports the evaluation of commercially viable development and processing arrangements, including third-party toll milling, provided such arrangements are appropriately authorised and protect the rights of both joint venture participants. Monument intends to continue engaging constructively in the dispute resolution process while preserving its rights under the EJVA. Cathy Zhai is President and CEO of Monument Mining Limited. Monument Mining Limited 100% owns and operates the Selinsing Gold Mine in Malaysia and the Murchison Gold Project in the Murchison area of Western Australia. It has a 20% interest in the Tuckanarra Gold Project, jointly owned by Odyssey Gold Ltd in the same region. The company employs approximately 297 people in both regions.

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