Rupert Resources Reports Results for the Three and Nine Months Ending September 30, 2025

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TORONTO — Rupert Resources Ltd (“Rupert” or the “Company”) announces that it has published its unaudited financial results for the three and nine months ending September 30, 2025 and accompanying Management’s Discussion and Analysis for the same period.

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The above have been posted on the Company’s website www.rupertresources.com with the financial statements and MD&A also published on SEDAR+ at www.sedarplus.ca.

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Highlights:

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Graham Crew, Chief Executive Officer of Rupert Resources said:

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“During the quarter we made solid progress across all permitting & feasibility study workstreams, particularly in waste and water management, where optimisation studies are delivering more robust solutions that should streamline the permitting process and improve operability.

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We also took a disciplined approach to refining our exploration strategy across the Central Lapland Greenstone Belt ahead of the next winter program, ensuring our efforts remain focused on the most prospective targets. We remain convinced of the scale of opportunity in the CLGB and have partnered with Vrify and their AI platform to make the most efficient use of all of the world class data set we have collected in the region.

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Finally, I’m pleased to welcome Russell White as Project Director, his track record of delivering feasibility studies and developing mines strengthens our capability to advance Ikkari towards production.”

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Financial Overview

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During the nine months ending September 30, 2025, investing cash flows at the Company’s exploration and evaluation assets totalled $19.0M. As of September 30, 2025, Rupert held cash or cash equivalents, together with short term investments comprising short-dated Canadian state-backed treasury instruments, for a combined total of $100.3M.

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The Company recorded a net loss for the nine months to end-September 30, 2025 of $(6.7)M and a net loss per share of $(0.03).

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All references to currency in this press release are in Canadian dollars.

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Corporate Update

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People

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In line with the Company’s focus on advancing the Ikkari project towards production, Russell White was appointed to the role of Project Director during Q3 2025. This further increases the team’s execution capability given his experience as Head of Projects from Centamin, Toro Gold and senior project management roles at Endeavour Mining and Ausenco.

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Discussion of Operations

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During the three and nine months ended September 30, 2025 and up to the date of this MD&A, Rupert’s operational activities have been focussed on the Rupert Lapland Project Area and Ikkari in particular.

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Rupert Lapland Project Area

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Ikkari Project Drilling

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The 2024/2025 winter drill program at Ikkari was completed during the second quarter of 2025 and comprised of both hydrogeological and geotechnical drill programs to inform the upcoming FS and environmental permit application.

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The hydrogeological program comprised the installation of a further 26 vibrating wire piezometers (VWPs) surrounding the Ikkari mineralisation and envisaged operation. Pump testing from 4 large diameter holes to further inform the groundwater model is complete and groundwater model update underway.

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Geotechnical drilling of the underground portion of the Ikkari deposit concluded during the second quarter with 5 holes completed in total for 2896m. Tele-viewer imaging and interpretation and geotechnical logging are complete and laboratory test work is underway.

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Ikkari Feasibility Study

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Following the release of the Ikkari Pre-Feasibility Study (“PFS”) in Q1 2025, the Company is advancing the FS workstreams by progressing geotechnical and hydrogeological modelling and metallurgical test work during Q3 2025.

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During Q3 2025 the hydrogeological pump testing was completed, with modelling of this data continuing into Q4 2025. Geotechnical logging and lab test work was conducted during Q3 2025 with interpretation of this data to follow during Q4 2025. This is expected to further validate the PFS pit designs and pit slope angles as well as confirming the parameters for the underground designs.

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Waste and Water Optimisation Studies

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Since the release of the PFS the Company initiated an integrated process water and mine contact water optimisation study following up recommendations in the PFS. This work focuses on:

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Test work to support this study is continuing through Q4 2025 ahead of finalisation for inclusion in the FS workstreams in Q1 2026.

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A simplified mine waste management concept has now been developed. It is designed to streamline operations and permitting, while maintaining a strong focus on closure planning, an important consideration in the environmental permitting process.

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The concept combines best practices in filtered tailings storage, commonly used in Arctic climates such as Canada, with local waste-rock management practices to minimise environmental impact. These refined design concepts will be presented alongside the co-disposal designs included in the PFS as alternative waste management options for permitting.