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Resouro Executes Binding MOU for Novo Mundo Work Program Future Mining/BGM and ISON/Resouro to share es8mated BRL 500,000 budget for Final Explora8on Reports for two Novo Mundo ANM Titles Resouro Strategic Metals Inc. (ASX: RAU; TSX-V: RSM; FSE: 8TX; OTCQB: RSGOF) (“Resouro” or the

Corporate Updates

Resouro Strategic Metals Inc.

BC0430203 (Canada) ARBN 671 716 457 (Australia)

Suite 250, 997 Seymour Street, Vancouver, BriHsh Columbia, Canada V6B 3M1 – Te l : + 1 4 0 3 8 0 7 2 9 4 8

Suite 1.03, 17 Ord Street, West Perth, WA 6005 Australia – Te l : + 6 1 8 9 3 8 9 2 1 1 1

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TSX-V News Release ASX News Release

9 June 2026 10 June 2026

Resouro Executes Binding MOU for Novo Mundo Work Program

Future Mining/BGM and ISON/Resouro to share es8mated BRL 500,000 budget for

Final Explora8on Reports for two Novo Mundo ANM Titles

Resouro Strategic Metals Inc. (ASX: RAU; TSX-V: RSM; FSE: 8TX; OTCQB: RSGOF) (“Resouro” or the

“Company”), through its Brazilian subsidiary, ISON do Brasil Mineração Ltda. ( “ISON”), has signed a

binding Memorandum of Understanding dated June 1, 2026 (the “MOU”) with Future Mining Ltda.

(“Future Mining”) and BuriY Gold Mineração Ltda. (“BGM”) regarding the Company’s Novo Mundo Gold

Project in Mato Grosso, Brazil.

The MOU covers two different mineral rights (“Titles”) from the mineral rights that are subject to the

signed Agreement with Future and BGM covering capital and operating costs announced last week. This

MOU provides for the compleYon of work required to support the preparaYon and submission of the

Final ExploraYon report to Brazil’s NaYonal Mining Agency, the Agência Nacional de Mineração (“ANM”),

for ANM Titles No. 866.320/2018 and 866.171/2018. The Final Exploration Reports are required to be

submitted to the ANM by July 28, 2026 and August 7, 2026, respectively.

“This binding MOU is intended to protect and advance the Novo Mundo mineral rights by supporYng the

Ymely compleYon of the work required for the ANM Final ExploraYon Reports, while maintaining our

focus on the Tiros Titanium and Rare Earth Elements Project.” said Christopher Eager, Resouro’s Chief

ExecuYve Officer. “Future Mining and BGM bring regional operaYng capability, infrastructure, and

experience. The structure aligns the parYes on a 50-50 basis over the relevant Novo Mundo ANM Titles,

subject to definiYve documents, ANM requirements, and applicable Brazilian mining law. "

Highlights

• Binding MOU signed with Future Mining and BGM for ANM Titles

No. 866.320/2018 and 866.171/2018 at the Novo Mundo Gold Project.

• MOU provides for the completion of work required to support the preparation and submission of the

Final Exploration Reports to the ANM by July 28, 2026 and August 7, 2026, respectively.

Resouro Strategic Metals Inc.

BC0430203 (Canada) ARBN 671 716 457 (Australia)

Suite 250, 997 Seymour Street, Vancouver, BriHsh Columbia, Canada V6B 3M1 – Te l : + 1 4 0 3 8 0 7 2 9 4 8

Suite 1.03, 17 Ord Street, West Perth, WA 6005 Australia – Te l : + 6 1 8 9 3 8 9 2 1 1 1

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• Estimated budget for the work program is BRL 500,000, to be shared 50% by Future

Mining/BGM and 50% by ISON/Resouro.

• Future Mining/BGM is expected to make available its regional infrastructure, logistics, and personnel

to support the work program.

• The MOU contemplates a 50-50 allocation between Future Mining/BGM and ISON/Resouro in the

title ownership and proceeds from production under the relevant ANM mineral rights, with the

implementation mechanism to be set out in definitive agreements and subject to ANM requirements

and applicable Brazilian mining law.

• The parties agree to complete and sign definitive documents within 30 calendar days from signing of

the MOU.

About the Novo Mundo Gold Project and the MOU

Resouro’s Novo Mundo Gold Project is in Mato Grosso, Brazil. It consists of three contiguous, 100%-

owned, titles spanning approximately 16,700 hectares. The project is accessible by paved roads and is

approximately 740 km from Cuiabá, the state capital.

The esYmated budget for the program is BRL 500,000 to be shared equally, with BRL 250,000 to be

borne by Future Mining/BGM and BRL 250,000 to be borne by ISON/Resouro. Any variaYon exceeding

15% of the esYmated budget requires prior wrioen approval of both parYes.

As consideraYon for the work program and cost sharing, the MOU contemplates that the mineral rights

and proceeds from producYon under the relevant ANM Titles will be allocated 50% to Future Mining

and/or BGM and 50% to ISON and/or Resouro, as further defined in future definiYve documents.

The parYes have agreed to finalize and execute definiYve documents within 30 calendar days from the

signing of the MOU. The definiYve documents are expected to include, among other things, a parYal

assignment agreement for the mineral rights, a cost-sharing and work management agreement, any

required ANM registraYon amendments and addiYonal instruments required by applicable mining law or

the parYes.

The MOU is separate from the mining, transport and processing agreement announced by Resouro on

June 1, 2026 (June 2, 2026 in Australia). That agreement relates to a proposed mining and processing

program under the Novo Mundo Guia de UYlização (“Novo Mundo GU”) No. 20/2022 under ANM

mineral right No. 866.035/2009. The Novo Mundo GU is subject to saYsfacYon of condiYons precedent

including applicable ANM and environmental authorizaYons, operaYng plans, budget, accounYng

protocols, safety controls and regulatory requirements.

Resouro Strategic Metals Inc.

BC0430203 (Canada) ARBN 671 716 457 (Australia)

Suite 250, 997 Seymour Street, Vancouver, BriHsh Columbia, Canada V6B 3M1 – Te l : + 1 4 0 3 8 0 7 2 9 4 8

Suite 1.03, 17 Ord Street, West Perth, WA 6005 Australia – Te l : + 6 1 8 9 3 8 9 2 1 1 1

3

This MOU, by contrast, relates to the compleYon of work required to support the preparaYon and

submission of the Final ExploraYon Report s for ANM mineral rights

No. 866.320/2018 and 866.171/2018. The Company considers both arrangements as part of its broader

strategy to preserve and potenYally unlock value from Novo Mundo while maintaining its primary focus

on the Tiros Titanium and Rare Earth Elements Project.

The Company considers both the MOU and the Novo Mundo GU arrangements as part of its broader

strategy to preserve and potenYally unlock value from Novo Mundo while maintaining its primary focus

on the Tiros Titanium and Rare Earth Elements Project.

About Future Mining and BGM

Future Mining is a Brazilian mining holding company. BGM is a subsidiary of Future Mining with regional

gold extracYon, processing, and mine operaYng experience in the Peixoto de Azevedo gold district. BGM

owns open-pit and underground mines and a processing plant within trucking distance of Novo Mundo.

Te c h n i c a l D i s c l o s u r e a n d C o m p l i a n c e S t a t e m e n t

This announcement does not disclose any new exploraYon results, Mineral Resources, Mineral Reserves,

Ore Reserves, a producYon target, or a forecast of economic viability for the Novo Mundo Gold Project.

The MOU relates to work required to support preparaYon and submission of the Final ExploraYon

Reports to the ANM for ANM mineral rights No. 866.320/2018 and 866.171/2018. The contemplated

work program and any allocaYon of interests remain subject to definiYve documentaYon, ANM

requirements, applicable Brazilian mining law, regulatory approvals, funding, environmental, and

operaYng requirements and other customary risks.

Resouro Strategic Metals Inc.

BC0430203 (Canada) ARBN 671 716 457 (Australia)

Suite 250, 997 Seymour Street, Vancouver, BriHsh Columbia, Canada V6B 3M1 – Te l : + 1 4 0 3 8 0 7 2 9 4 8

Suite 1.03, 17 Ord Street, West Perth, WA 6005 Australia – Te l : + 6 1 8 9 3 8 9 2 1 1 1

4

There can be no assurance that the Final ExploraYon Reports will be completed or accepted by the ANM,

that the relevant ANM Titles will be maintained, that definiYve documents will be executed on the terms

contemplated by the MOU or at all, or that any allocaYon or transfer of rights will be approved or

implemented, or that the MOU will result in any economic benefit to Resouro.

Any future disclosure of technical results, Mineral Resources, Mineral Reserves, Ore Reserves or

producYon targets will be made in accordance with applicable ASX LisYng Rules, the JORC Code and TSX

LisYng Rules, the NaYonal Instrument 43-101, as applicable.

This announcement has been authorized for release by the Board of Directors of Resouro Strategic Metals

Inc.

For further informaYon, please contact:

Christopher Eager

Chief Executive Officer

[email protected]

+44 7388 0579809

Simon Stilwell

Board Chairman

[email protected]

+44 7900 825657

Annemarie Brissenden

Refined Substance Inc.

[email protected]

+ 1 416 844-6284

Resouro Strategic Metals Inc.

BC0430203 (Canada) ARBN 671 716 457 (Australia)

Suite 250, 997 Seymour Street, Vancouver, BriHsh Columbia, Canada V6B 3M1 – Te l : + 1 4 0 3 8 0 7 2 9 4 8

Suite 1.03, 17 Ord Street, West Perth, WA 6005 Australia – Te l : + 6 1 8 9 3 8 9 2 1 1 1

5

About Resouro

Resouro is a Canadian incorporated mineral exploration and development company, listed on the ASX,

TSXV, OTCQB, and FSE, focused on the discovery and advancement of economic mineral projects in

Brazil, including the Tiros Titanium and Rare Earths Project and the Novo Mundo Gold Project. The Tiros

project has 28 mineral concessions totaling 497 km2 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.

Forward-Looking Information

This news release contains certain "forward-looking information" within the meaning of applicable

securiYes law. Forward-looking informaYon is frequently characterized by words such as "plan" , "expect" ,

"project" , "intend" , "believe" , "anYcipate" , "esYmate" “aim”, “contemplate” and other similar words, or

statements that certain events or condiYons "may" , "will", could” or “should” occur. Although the

Company believes that the expectaYons reflected in the forward-looking informaYon are reasonable,

there can be no assurance that such expectaYons will prove to be correct. The Company cannot

guarantee future results, performance or achievements. Consequently, there is no representaYon that

the actual results will be the same, in whole or in part, as those set out in the forward-looking information.

Forward-looking informaYon is based on the opinions and esYmates of management at the date the

statements are made and are subject to a variety of risks and uncertainYes and other factors that could

cause actual events or results to differ materially from those anYcipated in the forward-looking

informaYon. Some of the risks and other factors that could cause the results to differ materially from

those expressed in the forward-looking informaYon include, but are not limited to: general economic

condiYons in Canada and globally; industry condiYons, including governmental regulaYon and

environmental regulaYon; failure to obtain industry partner and other third party consents and approvals,

if and when required; the need to obtain required approvals from regulatory authoriYes; stock market

volaYlity; liabiliYes inherent in the mining industry; compeYYon for, among other things, skilled personnel

and supplies; incorrect assessments of the value of acquisiYons; geological, technical, processing and

transportaYon problems; changes in tax laws and incenYve programs; failure to realize the anYcipated

benefits of acquisiYons and dispositions; and the other factors. Readers are cautioned that this list of risk

factors should not be construed as exhaustive.

The forward-looking informaYon contained in this news release is expressly qualified by this cauYonary

statement. The Company undertakes no duty to update any forward-looking informaYon except as

otherwise required by applicable securiYes legislaYon. Readers are cauYoned not to place undue reliance

on forward-looking information.

Neither the ASX, OTCQB, TSX Venture Exchange nor its RegulaPon Services Provider (as that term

is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or

accuracy of the content of this press release.