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Resouro Executes Binding Mining and Processing Agreement for Novo Mundo Future Mining and BGM to cover capital and opera4ng costs for program at Brazilian gold project Resouro Strategic Metals Inc. (ASX: RAU; TSX-V: RSM; FSE: 8TX; OTCQB: RSGOF) (“Resouro” or the

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

1

TSX-V News Release ASX News Release

1 June 2026 2 June 2026

Resouro Executes Binding Mining and Processing Agreement

for Novo Mundo

Future Mining and BGM to cover capital and opera4ng costs

for program at Brazilian gold project

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

mining, transport and processing agreement (the " Agreement") with Future Mining Ltda. ("Future

Mining") and BuriZ Gold Mineração Ltda. ("BGM") for a proposed mining and processing program at its

100%-owned Novo Mundo Gold project in Mato Grosso, Brazil.

"This Agreement provides a pathway to unlock value from Novo Mundo, a non-core gold asset, through

a funded mining and processing program, without diverZng capital from our flagship Tiros Titanium and

Rare Earth Elements Project, ” said Christopher Eager, Resouro’s Chief ExecuZve Officer. “We remain

focused on advancing the Tiros Project, while preserving Resouro's ownership and control over the

Company’s mineral rights. Future Mining and BGM bring local operaZng and processing capability, and

the condiZons precedent are intended to ensure that any work at Novo Mundo proceeds in a disciplined,

compliant and transparent manner.”

Highlights

• Agreement signed for a proposed mining, transport, and processing program at Novo Mundo under

the terms and permitted volumes comprised within ISON’s Guia de Utilização (Trial Mining License,

or “Novo Mundo GU”).

• Future Mining/BGM to fund and provide the capital, operating costs, contractors, plant operation

and technical capability required for the program, subject to an agreed budget and conditions

precedent.

• The Brazilian ANM (Department of Mines) approved a three-year extension to the Novo Mundo GU

on the 26th of April 2026. This allows Resouro to mine up to 4,000 tonnes per month over the three-

year period. Resouro has commenced the application process for a mining concession over the area.

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

2

• The initial operating plan contemplates mining and trucking of gold-bearing material to the BGM

processing plant, subject to the permitted limits of the Novo Mundo GU, environmental licenses,

safety requirements, and plant capacity. The Company has not completed a feasibility study or

declared Mineral Reserves or Ore Reserves for the Novo Mundo Gold Project, and any decision to

proceed with mining, transport and processing under the Novo Mundo GU would not be based on a

feasibility study of Mineral Reserves demonstrating economic and technical viability.

• Net revenue from sale of gold product is expected to be shared between ISON and Future

Mining/BGM after applicable taxes, royalties, CFEM, permitted deductions and approved costs. The

parties are currently targeting an allocation of approximately 30% to ISON and 70% to Future

Mining/BGM up to initial mining, logistics and plant capex repayment and 50% to ISON and 50% to

Future Mining/BGM going forward, which remains subject to finalization of the operating budget,

payment-flow mechanics, regulatory requirements and any required approvals.

• The Agreement does not transfer, sell, lease, pledge, or encumber the Novo Mundo GU or any ANM

mineral right.

• The structure is designed to provide Resouro with potential non-dilutive cash flow from Novo Mundo

while the Company remains focused on advancing its flagship Tiros Titanium and Rare Earth Elements

Project. There can be no assurance that the proposed program will be implemented, that any material

will be mined or processed economically, or that any positive cash flow will be generated.

Novo Mundo Gold Project

Resouro’s Novo Mundo Gold Project is located in Mato Grosso, Brazil, within the prolific Alta Floresta

Gold Province, an area associated with historical gold rush acZvity. Novo Mundo consists of three

conZguous, 100%-owned licences spanning approximately 16,700 hectares. The project is accessible by

paved roads and is approximately 740 km from Cuiabá, the state capital. Selected historical drill results

from Novo Mundo are summarized in the table below. These results include informaZon previously

disclosed by the Company, including the NMDD002 result shown in the fourth data row, which was

reported in the Company’s news release dated September 20, 2022, and in ASX announcements dated

13 June 2024 “Prospectus Part 2” and “Prospectus Part 3”. AddiZonal background on that previously

disclosed result is provided in Appendix A.

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

The Agreement applies solely to material that may be lawfully extracted and processed under the Novo

Mundo GU and all applicable environmental, regulatory and other authorizaZons. The Agreement does

not consZtute a sale of the Novo Mundo Gold Project. Re souro conZnues to evaluate strategic

alternaZves for the Novo Mundo Gold Project in a manner consistent with its capital allocaZon prioriZes

and its focus on the Tiros Project.

About Buri5 Gold Mineração Ltda

BGM is a subsidiary of Future Mining with gold extracZon, processing and mine operaZng experience in

the Peixoto de Azevedo gold district. BGM owns both open-pit and underground mines, plus a processing

plant within trucking distance of Novo Mundo in the gold-rich Peixoto de Azevedo region. The BGM

processing plant was established in 2022 and is currently treaZng similar material to that found at Novo

Mundo. The management of BGM has extensive experience in mining, processing and gold producZon in

the region and will provide highly experienced project management for the program.

Overview of the Agreement

The Agreement establishes a Brazilian-law structure for the proposed mining, transport and processing

of gold-bearing material from Guia de UZlização No. 20/2022 under ANM Process No. 866.035/2009

(the "Novo Mundo GU"), subject to the saZsfacZon of condiZons precedent, including verificaZon of

applicable ANM and environmental authorizaZons, operaZng plans, budget, accounZng protocols, safety

controls and regulatory requirements.

Under the Agreement, Future Mining and BGM will prepare and implement a basic economic study, mine

plan, transport plan and processing plan for shallow gold-bearing material from the Novo Mundo GU. The

basic economic study, mine plan, transport plan and processing plan will not consZtute a feasibility study,

prefeasibility study, Mineral Reserve esZmate or Ore Reserve esZmate. Once the condiZons precedent

are saZsfied, material is expected to be mined from the authorized GU area, transported to the BGM

processing plant and processed for the recovery and sale of gold product , subject to applicable

authorizaZons, operaZonal performance, technical constraints, metallurgical performance, costs,

recoveries, grade control, reconciliaZon, market condiZons and regulatory compliance.

Hole NumberIntercept From (m)Intercept To (m)Interval Length (m)Gold Grade (g/t Au)

NMDD010 55.90 72.11 16.21 2.97

NMDD010 55.90 58.19 2.29 11.40

NMDD010 71.03 72.11 1.08 19.93

NMDD002 65.89 77.54 11.65 5.11

NMDD002 66.39 68.89 2.50 8.09

NMDD002 72.94 77.54 4.60 6.30

FNV009 62.73 69.34 6.61 5.47

FNV009 64.08 69.34 5.26 6.82

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

The Company cauZons that the proposed mining, transport and processing program would involve a

producZon decision without the benefit of a feasibility study of Mineral Reserves demonstraZng

economic and technical viability. As a result, there is increased uncertainty and a higher risk of economic

and technical failure than would be the case if the program were supported by a feasibility study and

Mineral Reserves. Specific risks include, among others, uncertainty regarding grade conZnuity, diluZon,

mineability of the material, metallurgical recoveries, processing performance, operaZng and transport

costs, gold recovery and payability, reconciliaZon between mined material and processed product,

environmental and operaZng permits, compliance with the terms of the Novo Mundo GU, water, tailings

and waste management, contractor performance, plant availability, gold price fluctuaZons , foreign

exchange, tax and royalty treatment, and the availability of approvals required to commence and conZnue

operaZons.

ISON will remain the Ztleholder/controller of the Novo Mundo GU and related ANM rights. The

Agreement expressly provides that no mineral Ztle, mining right or GU is transferred or encumbered.

Future Mining/BGM will be responsible for funding and undertak ing the operaZonal workstreams,

including mining contractors, equipment, haulage, plant processing, security, laboratory work,

metallurgical accounZng and operaZng cost funding, subject to agreed controls and oversight.

The parZes have agreed to establish a joint operaZng commiqee to approve budgets, monthly producZon

plans, assay protocols, reconciliaZon procedures, environmental and safety controls, cost deducZons and

payment flows. The Agreement also contains audit rights, confidenZality obligaZons, anZ-corrupZon

undertakings, indemniZes, suspension rights and Brazilian-law dispute resoluZon provisions.

Condi5ons Precedent

Commencement of mining, transport and processing remains subject to saZsfacZon or waiver, where

legally waivable, of customary condiZons precedent, including:

• verification of the validity, term, permitted substance, area, tonnage and conditions of the Novo

Mundo GU;

• confirmation of environmental licenses, operating permits, water, tailings, transport and gold -

handling authorizations for the mine area, transport route and BGM plant;

• approval of the mine plan, processing plan, grade -control procedures, metallurgical accounting

protocol, HSE plan, emergency response plan and compliance matrix by the Joint Operating

Committee of ISON and Future Mining/BGM (the “Joint Committee”);

• agreement on final budget, permitted deductions, sales and payment-flow mechanics, independent

laboratory and umpire laboratory by the Joint Committee;

• completion of legal, tax, ANM, environmental, labor, technical, plant, insurance, and anti-corruption

due diligence satisfactory to ISON and Resouro; and,

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

• completion of any ASX, TSXV, corporate, board or regulatory filings or approvals required before

operations commence.

Te c h n i c a l D i s c l o s u r e and Compliance Statement

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

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

The exploraZon results referenced in this announcement were previously disclosed by the Company in

ASX announcements dated 13 June 2024 “Prospectus Part 2” and “Prospectus Part 3” . The Company

confirms that the previously disclosed exploraZon results for Novo Mundo included in this announcement

are unchanged from the applicable original disclosure and that the form and context in which those

results are presented have not been materially modified. The Tiros Project Mineral Resource EsZmate

referenced in the “About Resouro” secZon was previously disclosed and is repeated in accordance with

ASX LisZng Rule 5.23.

The Company has not completed a feasibility study, pre-feasibility study, Mineral Reserve esZmate or Ore

Reserve esZmate for the Novo Mundo Gold Project. Any decision to proceed with mining, transport and

processing under the Novo Mundo GU would therefore consZtute a producZon decision without the

benefit of a feasibility study of Mineral Reserves demonstraZng economic and technical viability. The

permiqed volumes referenced in this announcement are the permiqed volumes under the Novo Mundo

GU and should not be interpreted as a producZon target, forecast of economic viability, esZmate of

Mineral Reserves or Ore Reserves, or an indicaZon that the material can be mined or processed

economically.

The proposed program is subject to mining authorizaZon, environmental licensing, operaZonal

constraints and regulatory approvals. Due to the absence of a feasibility study and Mineral Reserves or

Ore Reserves, there is increased uncertainty and a higher risk that the proposed program may not be

technically or economically viable, may not proceed as contemplated, may not generate posiZve cash

flow, or may be suspended or terminated. Any future disclosure of technical results, Mineral Resources,

Mineral Reserves, Ore Reserves or producZon targets will be made in accordance with applicable ASX

LisZng Rules, the JORC Code and NaZonal Instrument 43-101, as applicable.

Qualified Person

The technical and scienZfic informaZon contained in this announcement has been reviewed and

approved by Mr. Rodrigo Mello (FAusIMM 209332), who is a Qualified Person for the purposes of

NaZonal Instrument 43-101. He has over 20 years of experience working in the exploraZon of gold

deposits with a similar geology and context to the Novo Mundo deposit. Mr. Mello is not independent.

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

Inc.

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

6

For further informaZon, 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

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 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. 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.

Note: The information in this announcement that relates to the Mineral Resource Estimate for the Tiros Project is extracted from

the Company’s ASX announcement dated 9 April, 2025 (TSX-V: 8 April 2025), which is available at www.resouro.com.

The Company is not aware of any new informaOon or data that materially affects the informaOon included in that

announcement and that all material assumpOons and technical parameters underpinning the esOmates in that

announcement conOnue to apply and have not materially changed. The Company confirms that the form and context in

which the Competent Person’s findings are presented have not been materially modified from the original announcement.

Category Million To nn e TiO2 % 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%

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

7

Forward-Looking Information

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

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

"project" , "intend" , "believe" , "anZcipate" , "esZmate" “aim”, “e x p e c t ”, “contemplate” and other similar

words, or statements that certain events or condiZons "may" or "will" occur. Although we believe that

the expectaZons reflected in the forward-looking informaZon are reasonable, there can be no assurance

that such expectaZons will prove to be correct. We cannot guarantee future results, performance or

achievements. Consequently, there is no representaZon 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 informaZon is based on the opinions and esZmates of management at the date the

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

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

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

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

condiZons in Canada and globally; industry condiZons, including governmental regulaZon and

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

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

volaZlity; liabiliZes inherent in the mining industry; compeZZon for, among other things, skilled personnel

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

transportaZon problems; changes in tax laws and incenZve programs; failure to realize the anZcipated

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

factors should not be construed as exhaustive.

The forward-looking informaZon contained in this news release is expressly qualified by this cauZonary

statement. We undertake no duty to update any of the forward-looking informaZon to conform such

informaZon to actual results or to changes in our expectaZons except as otherwise required by applicable

securiZes legislaZon. Readers are cauZoned not to place undue reliance on forward-looking information.

Neither the ASX, OTC, TSX Venture Exchange nor its RegulaNon 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 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

8

Appendix A

Summary of Previously Disclosed Novo Mundo Drill Result

This Appendix A summarizes informaZon previously disclosed by the Company in its news release dated

September 20, 2022, relaZng to the Novo Mundo Gold Project. The informaZon is included for

background and context only and does not consZtute new exploraZon results. No new exploraZon results

are being disclosed in this Appendix A.

The Company confirms that the previously disclosed exploraZon results summarized in this Appendix A

are unchanged from the original disclosure and that the form and context in which those results are

presented have not been materially modified. The September 20, 2022 news release included the

applicable Qualified Person disclosure and should be read together with this Appendix A for the original

technical disclosure.

In that news release, the Company announced iniZal drill results from its first phase of exploraZon at

Novo Mundo. Hole NMDD002 returned 11.65 metres grading 5.1 g/t Au from 65.89 metres, including

• 2.5 metres grading 8.1 g/t Au from 66.39 metres and

• 4.6 metres grading 6.3 g/t Au from 72.94 metres.

The Company stated that these results confirmed broad widths of high-grade mineralizaZon extending

to depth below the Dionísio arZsanal workings.

The iniZal drill program was designed to test the strike and plunge conZnuity of mineralized shoots

along the Luisão–Dionísio–Modesto mineralized trend and to confirm the presence of high-grade

mineralizaZon idenZfied in historical exploraZon.

The Company also reported that re-logging of historical drill holes, mapping and sampling of arZsanal

pits and outcrops confirmed the presence of two parallel high-grade shoots approximately 100 metres

apart, controlled by at least two major east-west striking structures, with a combined strike length of

over 4.5 kilometres.