Rio Grande Resources Ltd · OTC:RGRLF
Rio Grande Resources — Investor Presentation (September 2026)
23 slides from Rio Grande Resources's investor presentation, September 2026
Slide 1: Rio Grande Resources
CSE: RGR | OTCQB: RGRLF | FSE: 488 WKN: A40Z5N Rio Grande Resources Historical High-Grade District | Modern Exploration | Anticipated Phase 1 Drill Targeting Fall 2026 Investor Presentation riogranderesources.ca
Slide 2: Forward Looking Statement
FORWARD LOOKING STATEMENT The information contained in this presentation and other information furnished by or on behalf of Rio Grande Resources Ltd.(“Rio Grande or Rio” or the “Company”) has been prepared to assist the reader in understanding the business and financial results of the Company for th
Slide 3: Rio Grande Resources: Who are We?
Rio Grande Who are We? Resources Rio Grande Resources is a gold-silver exploration company focused on unlocking the district-scale ✓ HISTORICAL potential of the historical Winston Mining District in High-Grade Mining District New Mexico ✓ TODAY Our mission is to transform the historical high-grade M
Slide 4: Project Location Map
PROJECT LOCATION MAP Rio Grande controls the broader Winston Group of Properties within its 147 unpatented BLM mining claims and two patented lode mining claims, across ~3,000-acre, drill-ready gold-silver property located in the historic Chloride Mining District within the Black Range Mountains of
Slide 5: Rio Grande Highlights
RIO GRANDE HIGHLIGHTS EARLY EXPOSURE Strategic exposure to high-potential gold and silver projects offers significant discovery upside, complementing core gold holdings. POVERTY CREEK Poverty Creek has become a key focus area after recent work traced multiple mineralized vein systems and defined sev
Slide 6: Winston Group of Properties Highlights
HIGH-GRADE MINERALIZATION Winston Group Little Ivanhoe & Poverty of Properties Granite Emporia Creek Highlights Historical high-grade mines including the emerging Poverty Creek target area create a broader Winston exploration story 66.5 g/t gold and Peak sample results Peak values of 26.8 2,940 g/t
Slide 7: Geological Highlights
Advancing History to a Modern Opportunity A structurally controlled gold-silver system with multiple emerging target areas Geological Highlights Winston’s exploration story spans more than a century, from high-grade gold- 4 silver mining in the historical Chloride District to modern exploration acro
Slide 8: Gold-silver District-scale Opportunity
Advancing a Potential The Winston Group of Property Highlights Gold-silver 1 2 3 4 District-scale Opportunity EXPANSIVE PROPERTY RICH MINING HISTORY EXCITING GEOLOGY MODERN EXPLORATION 1 Rio Grande is reinterpreting the 02 03 04 Winston Group of Properties through a modern exploration lens, integrat
Slide 9: Poverty Creek
POVERTY CREEK Emerging High-Grade Target Corridor at Winston Recent fieldwork has advanced Poverty Creek into a priority target area by connecting high-grade surface results with mapped vein corridors and . Property Map with New Results Illustrated Phase 1 drill targeting as Coloured Triangles. 46.3
Slide 10: 2026 Exploration
2026 EXPLORATION Integrated Exploration Returns Promising District Scale Potential Systematic Exploration Approach 2026 program integrated mapping, sampling, and historic data with 72 . Property Map with New Results Illustrated samples collected across multiple target areas as Coloured Triangles. Hi
Slide 11: 2026 Airborne Geophysics
2026 AIRBORNE GEOPHYSICS Mag Survey Defines Potential Structural Framework and Subsurface Targets Property-Wide Geophysics Identifies New Drill Targets . Property Map with New Results Illustrated Airborne high-resolution magnetic and radiometric survey as Coloured Triangles. program conducted in Spr
Slide 12: Additional Exploration
ADDITIONAL EXPLORATION 2025 Exploration Results Expanding a Multi-Phase System The program released results on June 18, 2025, focused on the Paymaster Fault Corridor and identified several new mineralized . Property Map with New Results veins and confirmed high-grade gold and silver mineralization I
Slide 13: The Winston Property History
THE WINSTON PROPERTY HISTORY Ivanhoe & Emporia and Little Granite Each mine produced high-grade gold and silver during full-time operations over a century ago, underscored by Little Granite producing high value ore in some of its underground shoots. The Ivanhoe and Emporia patented mining claims eac
Slide 14: The Little Granite Mining Claims History
THE LITTLE GRANITE MINING CLAIMS HISTORY Four claims Comprised of Past-Producing High-Grade Silver-Gold Mine hosted in Tertiary volcanics Each mine produced high-grade gold and silver during full-time operations over a century ago LG-6 (65.6m Borehole) Hit 3.6m @ 1.814 G/T The main vein has been tra
Slide 15: The Ivanhoe Emporia Claims History
THE IVANHOE EMPORIA CLAIMS HISTORY A Past Producing Gold-Silver Mine Comprised of 2 Patented Lode Claims The main shaft has a depth of 384 feet with a 370ft decline Three (3) samples were collected from piles of quartz MINE EXPL TGT AU (opt) AG AU + BASIS OF REFERENCE dump material near the mouth of
Slide 16: 2021 Sample Program
2021 SAMPLE PROGRAM Little Granite, Ivanhoe & Emporia Mines Many high-grade samples were collected under Michael Feinstein, CPG, QP, who visited the Winston Project area on ten separate occasions since October 2020 where he conducted confirmatory sampling of the known historic mines, as well as pros
Slide 17: A Modern Exploration Model
EXPLORATION WORKFLOW A Modern Exploration Model Building targets from surface evidence to drill-ready locations for Rio’s first anticipated Phase 1 drill program 01 Surface 02 Structural 03 Airborne 04 Integrated 05 Phase 1 Sampling Mapping Geophysics Targeting Drilling Mapping of vein Magnetic and
Slide 18: Capitalization & Balance Sheet
CAPITALIZATION & BALANCE SHEET Share Structure CSE:RGR 8.85 TICKER: OTCQB: RGRLF 10.2 Share Price as of August 26, 2026 $.42.5 Share Price Range(1) C$.15 – C$.56 Basic Shares Outstanding(2) 59.55M 80.96 Options(2) 1.97M RSUs(2) 1.58M Warrants(2) 11.4M FD Shares Outstanding(2) 61.76 80.95% Retail & O
Slide 19: Management and Directors
MANAGEMENT AND DIRECTORS Mr. Barnard is also Ms. Barnard has over Mr. Bouwman has the President and 20 years of public been working with CEO of Foremost company experience public markets on Clean Energy since in key areas including the NASDAQ and 2022. He has 28+ operational the CSE Exchange years e
Slide 20: Gold Industry Overview
GOLD INDUSTRY OVERVIEW Strong Macro-Economic Trends is Driving Gold to All-Time Highs Gold has a variety of uses, including jewelry, electronics and as a store of value. Central banks have been active buyers of gold, providing consistent buying pressure purchasing a record 992 tons in 2024 and 863 t
Slide 21: Silver Industry Overview
SILVER INDUSTRY OVERVIEW Silver Reached All Time Highs in 2026 Silver demand could structurally outstrip supply, as demand for the industrial metal continues to grow Silver has preformed exceptionally well surging to an all time high of USD $121.62 per ounce in January 2026 Silver pricing is being d
Slide 22: Why Invest? The Opportunity
WHY INVEST? Historic proof, new targets and a clear path toward drilling High-Grade Potential District Poverty Creek Emerging The Opportunity Past-producing Ivanhoe, Recent work has advanced Emporia and Little Granite Poverty Creek into a high- mines demonstrate a long priority target within a broad
Slide 23: Advancing an Historical High-Grade District Into a Modern Discovery Opportunity
CSE: RGR | OTCQB: RGRLF | FSE: 488 WKN: A40Z5N RIO GRANDE RESOURCES Advancing an Historical High-Grade District Into a Modern Discovery Opportunity Winston Gold-Silver Project | New Mexico Historical high-grade district | Emerging targets | Anticipated Phase 1 Drill Program Contact Jason Barnard, CE
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