Resouro Strategic Metals : Change in substantial holding

About this update from Resouro Strategic Metals Inc

ASX Release 03 June 2026 Changes in Substantial Holdings Resouro Strategic Metals Inc. ( ASX: RAU ; TSX-V: RSM ; FSE: 8TX ; OTCQB: RSGOF ) (" Resouro " or the " Company ") advises the following changes in substantial holdings in the Company as shown in the tables contained herein. As a company incorporated in British Columbia, Canada, the provisions of Chapter 6C of the Corporations Act 2001 (Cth) ( Corporations Act ) dealing with notification of substantial holdings does not apply to CDI holders and shareholders in Resouro. However, pursuant to a Deed of Undertaking entered into between the Company and the ASX, the Company has undertaken to inform to the ASX on becoming aware of a person becoming a substantial holder in the Company within the meaning of section 671B of the Corporations Act, varying its substantial holding by 1% or more or ceasing to be a substantial holder, in each case to the best knowledge of the Company. Warman Investments (Pty) Ltd: Name of Substantial Holder within the meaning of section 671B of the Corporations Act Record Holder (if different) Number of CDIs & Shares which the substantial holder held a relevant interest (as per previous notice dated 20 December 2024) % of total on issue (as per previous notice dated 20 December 2024) Number of CDIs & Shares which the substantial holder holds a relevant interest (as at 31 May 2026) % of total Shares & CDIs on issue (as at 31 May 2026) Warman Investments Pty Ltd 2,224,357 Shares 7,890,697 CDIs 10,115,054 CDIs Viking Management Services Pty Ltd < VHK Superannuation Fund> 600,000 CDIs 400,000 CDIs Total 10,715,054 11.57% 10,515,054 9.74% This announcement has been authorized for release by Sandra Evans, CFO and Corporate Secretary. Contact Information, Resouro: Simon Stilwell Board Chair [email protected] About Resouro Resouro is a Canadian incorporated mineral exploration and development company, listed on the ASX, TSXV, OTC, and FSE, focused on the discovery and advancement of economic mineral projects in Brazil, including the Tiros Titanium-Rare Earths Project and the Novo Mundo Gold Project. The Tiros project has 28 mineral concessions totaling 497 km 2 located in the state of Minas Gerais, one of the best infrastructurally developed states of Brazil, 350 km from the state capital of Belo Horizonte. Resouro's Mineral Resource Estimate for the Tiros Project contains 165 million tonnes of titanium dioxide and 5.5 million tonnes of total rare earths oxides within a Measured and Indicated Resource of 1.4 billion tonnes. Category Million Tonne TiO 2 % TREO (ppm) MREO (ppm) REO/TREO rat Measured 30 24 9,300 2,500 27% Indicated 74 23 8,900 2,300 26% M + I 103 23 9,100 2,400 26% Inferred 33 22 8,300 2,200 26% Measured 340 11 3,700 1,000 28% Indicated 930 11 3,600 1,000 28% M + I 1,300 11 3,600 1,000 28% Inferred 470 11 3,400 920 27% Measured 367 12 4,100 1,100 28% Indicated 1,000 12 4,000 1,100 27% M + I 1,400 12 4,000 1,100 28% Inferred 500 12 3,700 1,000 27% Note: Further details of the Company's JORC MRE are contained within the Company's ASX announcement of 9 April, 2025/TSX-V 8 April 2025. Resouro is not aware of any new information or data that materially affects the information included in the Company's announcement and that all material assumptions and technical parameters underpinning the estimates referred to therein continue to apply and have not materially changed. Forward-Looking Information This news release contains certain "forward-looking information" within the meaning of applicable securities law. Forward-looking information is frequently characterized by words such as "plan", "expect", "project", "intend", "believe", "anticipate", "estimate" and other similar words, or statements that certain events or conditions "may" or "will" occur. Although we believe that the expectations reflected in the forward-looking information are reasonable, there can be no assurance that such expectations will prove to be correct. We cannot guarantee future results, performance or achievements. Consequently, there is no representation that the actual results achieved will be the same, in whole or in part, as those set out in the forward-looking information. Forward-looking information is based on the opinions and estimates of management at the date the statements are made and are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those anticipated in the forward- looking information. Some of the risks and other factors that could cause the results to differ materially from those expressed in the forward-looking information include, but are not limited to: general economic conditions in Canada and globally; industry conditions, including governmental regulation and environmental regulation; failure to obtain industry partner and other third party consents and approvals, if and when required; the need to obtain required approvals from regulatory authorities; stock market volatility; liabilities inherent in the mining industry; competition for, among other things, skilled personnel and supplies; incorrect assessments of the value of acquisitions; geological, technical, processing and transportation problems; changes in tax laws and incentive programs; failure to realize the anticipated benefits of acquisitions and dispositions; and the other factors. Readers are cautioned that this list of risk factors should not be construed as exhaustive. The forward-looking information contained in this news release is expressly qualified by this cautionary statement. We undertake no duty to update any of the forward-looking information to conform such information to actual results or to changes in our expectations except as otherwise required by applicable securities legislation. Readers are cautioned not to place undue reliance on forward-looking information. Neither the ASX, OTC, TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release. Resouro Strategic Metals• Press release Page

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