Announcement PDF Level 8, 2 Bligh Street Sydney NSW 2000 Mont Royal Resources Ltd ACN: 625 237 658 E: info@montroyalres.com www.montroyalres.com ASX ANNOUNCEMENT 16 June 2026 Investor and Shareholder Webinar MONT ROYAL MANAGING DIRECTOR NICHOLAS HOLTHOUSE TO HOST A LIVE INVESTOR WEBINAR ON THURSDAY, 18 JUNE 2026 HIGHLIGHTS • Investor webinar to be held on Thursday, 18 June 2026, commencing at 9.00am AWST/11.00am AEST. • Managing Director Nicholas Holthouse to discuss the key highlights of the recently released updated Preliminary Economic Analysis (PEA) for the Ashram Rare Earth & Fluorspar Project in Québec, Canada. • Mr Holthouse will also provide an overview of other recent and upcoming project development activities, the Company’s highly successful in-country engagement with Government and key stakeholders and other anticipated upcoming milestones. Mont Royal Resources Ltd (ASX: MRZ) (“Mont Royal” or “the Company”) is pleased to advise that its Managing Director, Mr. Nicholas Holthouse, will host a live investor webinar on Thursday, 18 June 2026 to discuss the recently released updated Preliminary Economic Analysis (PEA) on the Company’s flagship Ashram Rare Earth and Fluorspar Project in Québec, Canada. Mr Holthouse will provide an overview of the key findings of the PEA (see MRZ News Release: 9th June 2026) and outline the Company’s strategic development pathway, including recent highly successful in-country engagement with Government and key stakeholders. He will also briefly review anticipated upcoming milestones and activities this year. Ashram is one of the largest undeveloped monazite-hosted rare earth deposits in North America, offering a unique opportunity to advance a new, large-scale source of critical rare earth supply at a time of growing Western demand and strategic focus on supply chain independence. WEBINAR DETAILS The webinar will be hosted live and will commence at 9.00am AWST/11.00am (AEDT) on Thursday, 18 June 2026. Investors, shareholders and media can register to join the webinar via the link below: https://www.bigmarker.com/read-corporate/mont-royal-ltd-asx-mrz-investor-and-shareholder- webinar At the conclusion of the presentation, participants can submit questions to Mr. Holthouse via the Q&A tab on the webinar platform. Alternatively, investors can submit questions prior to the commencement of the webinar to Read Corporate at info@readcorporate.com.au. A recording of the webinar will be made available on the Company’s website and social media channels. For and on behalf of the Board ENDS Joel Ives | Company Secretary 2 Figure 1: Location of the Ashram REE & Fluorspar Project, the Northern Lights Project and the Port of Saguenay. For Further Information: Nicholas Holthouse Managing Director info@montroyalres.com Peter Ruse Corporate Development info@montroyalres.com Nicholas Read Investor and Media Relations nicholas@readcorporate.com.au Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. About Mont Royal Resources Mont Royal Resources Limited (ASX: MRZ,TSXV:MRZL) is a critical minerals development and exploration company with projects in Quebec, Canada. The Company is dedicated to advancing its 100%-owned Ashram Rare Earth and Fluorspar Deposit in Québec, Canada – one of the largest monazite-dominant carbonatite-hosted Rare Earth Elements deposits in North America. In addition, the Company owns 75% of Northern Lights Minerals 536km2 tenement package located in the Upper Eastmain Greenstone belt. The projects are located in the emerging James Bay area, a Tier-1 mining jurisdiction of Quebec, and are prospective for lithium, precious (Gold, Silver) and base metals mineralisation (Copper, Nickel). For further information regarding Mont Royal Resources Limited, please visit the ASX platform (ASX: MRZ) or the Mont Royal’s website www.montroyalres.com Important Notices & Disclaimers 3 Forward Looking Statements This announcement contains certain “forward looking statements” within the meaning of Australian securities laws and “forward looking information” within the meaning of Canadian securities laws (collectively referred to as “forward looking statements”). All statements, other than statements of historical fact, that address circumstances, events, activities or developments that could, or may or will occur are forward looking statements.These forward looking statements are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those projected in the forward looking information. Risks that could change or prevent these events, activities or developments from coming to fruition include: actual results of current and future exploration activities; that Mont Royal may not be able to fully finance any additional exploration on the Ashram Project; that even if Mont Royal is able raise capital, costs for exploration activities may increase such that Mont Royal may not have sufficient funds to pay for such exploration or processing activities; the timing and content of the proposed drill program and any future work programs may not be completed as proposed or at all; geological interpretations based on drilling that may change with more detailed information; potential process methods and mineral recoveries assumptions based on limited test work and by comparison to what are considered analogous deposits that, with further test work, may not be comparable; testing of our process may not prove successful or samples derived from the Ashram Project may not yield positive results, and even if such tests are successful or initial sample results are positive, the economic and other outcomes may not be as expected; the anticipated market demand for rare earth elements and other minerals may not be as expected; the availability of labour and equipment to undertake future exploration work and testing activities; geopolitical risks which may result in market and economic instability; and despite the current expected viability of the Ashram Project, conditions changing such that even if metals or minerals are discovered on the Ashram Project, the project may not be commercially viable, or other risks detailed herein and from time to time in the public filings made by Mont Royal. Although Mont Royal has attempted to identify important factors that could cause actual actions, events or results to differ from those described in forward-looking statements, there may be other factors that cause such actions, events or results to differ materially from those anticipated. These forward-looking statements are based on Mont Royal’s current expectations, estimates, forecasts and projections about its business and the industry in which it operates and management's beliefs and assumptions, including the non- occurrence of the risks and uncertainties that are described above and in the public filings made by Mont Royal or other events occurring outside of our normal course of business, and are not guarantees of future performance or development and involve known and unknown risks, uncertainties and other factors that are in some cases beyond Mont Royal’s control. Forward looking statements in this announcement include, but are not limited to, the plans, operations and prospects of Mont Royal and its properties; the continued advancement of the Ashram Project to development; that Ashram’s fluorspar component which makes it one of the largest potential sources of fluorspar in the world and could be a long-term supplier to the met- spar and acid-spar markets; that Mont Royal is positioning to be one of the lowest cost rare earth element producers globally, with a focus on being a long-term global supplier of mixed rare earth carbonate and/or NdPr oxide; and that Mont Royal may explore the potential of other high-value commodities on the Ashram Property and the expected timetable for dual listing of Mont Royal’s shares; and statements about market and industry trends, which are based on interpretation of market conditions. Forward looking statements can generally be identified by the use of forward looking words such as “anticipate”, “expect”, “likely”, “propose”, “will”, “intend”, “should”, “could”, “may”, “believe”, “forecast”, “estimate”, “target”, “outlook”, “guidance” (including negative or grammatical variations) and other similar expressions. No representation, warranty, guarantee or assurance, express or implied, is given or made in relation to any forward looking statement. In particular no representation, warranty or assumption, express or implied, is given in relation to any 4 underlying assumption or that any forward looking statement will be achieved. There can be no assurance that the forward looking statements will prove to be accurate. Actual and future events may vary materially from the forward looking statements and the assumptions on which the forward looking statements were based, because events and actual circumstances frequently do not occur as forecast and future results are subject to known and unknown risks such as changes in market conditions and regulations. Given these uncertainties, readers are cautioned not to place undue reliance on such forward looking statements, and should rely on their own independent enquiries, investigations and advice regarding information contained in this announcement. Any reliance by a reader on the information contained in this announcement is wholly at the reader’s own risk. To the maximum extent permitted by law or any relevant listing rules of the ASX/TSX-V, Mont Royal and their respective related bodies corporate and affiliates and their respective directors, officers, employees, advisers, agents and intermediaries disclaim any obligation or undertaking to disseminate any updates or revisions to the information in this announcement to reflect any change in expectations in relation to any forward looking statements or any such change in events, conditions or circumstances on which any such statements were based. Nothing in this announcement will, under any circumstances (including by reason of this announcement remaining available and not being superseded or replaced by any other announcement or publication with respect to Mont Royal or the subject matter of this announcement), create an implication that there has been no change in the affairs of Mont Royal since the date of this announcement. Not Investment Advice This announcement is not financial product, investment advice or a recommendation to acquire securities of Mont Royal or Commerce and has been prepared without taking into account the objectives, financial situation or needs of individuals. Each recipient of this announcement should make its own enquiries and investigations regarding all information in this announcement, including, but not limited to, the assumption, uncertainty and contingencies which may affect future operations of Mont Royal and the impact that different future outcomes may have on Mont Royal. Before making an investment decision, prospective investors should consider the appropriateness of the information having regard to their own objectives, financial situation and needs, and seek legal, taxation and financial advice appropriate to their jurisdiction and circumstances. Unless otherwise stated, all dollar values in this Announcement are reported in Australian dollars.