Slide 1: Silver Resource Growth in Mexico
Corporate Presentation | March 2026 Silver Resource Growth in Mexico TSXV: GRSL | OTCQX: GRSLF | FRA: GPE
Slide 2: Cautionary Statements
Cautionary Statements Cautionary Statements This presentation contains “forward-looking statements” within the meaning of Canadian securities laws. Where a forward-looking statement expresses or implies an expectation or belief as to future events or results, such expectation or belief is expressed
Slide 3: Value Generation in a Silver Bull Market
Value Generation in a Silver Bull Market Value Generation in a Silver Bull Market Value Creation 4 Major Catalysts Planned For 2026 134Moz AgEq (2023 MRE) 20,000m Resource Expansion Drilling Program Existing Infrastructure of Past-Producer Mine Bulk Sample Test Mining (BSTM) with permits offering re
Slide 4: GRSL Planned Company Growth Trajectory
GRSL Planned Company Growth Trajectory GRSL Planned Company Growth Trajectory 1B MARKET CAPITALIZATION (CAD$M) December 2025 CAD$20M Financing Closed 800 September 2025 5yr Drill Permit Received SMS25-09 75m @ 293g/t AgEq 500 August 2025 PEA Economics CA$13.8M ~ Financing Closed 150 MRE Update July
Slide 5: GRSL Growth Performance
GRSL Growth Performance Delivering Shareholder Results Increased Liquidity GRSL Growth Performance Delivering Shareholder Results & Increased Liquidity GRSL 1 Year Chart DECEMBER 2025 JULY to NOVEMBER 2025: Top #3 Capital Structure TOP 10 TSX.V Volume Trader March 17th, 2026 TSX.V Volume Trader with
Slide 6: District Scale Upside Potential
District Scale Upside Potential Silver Resource Growth Opportunity District Scale Upside Potential Silver Resource Growth Opportunity ➤ Resource Expansion ➤ Infrastructure ➤ Permits San Marcial Resource Area Ongoing Step-Out Drill Campaign Resource Extension N TSX.V: GRSL | OTCQX: GRSLF | FRA: GPE 6
Slide 7: San Marcial Area
San Marcial Area Silver Discovery - Largely Untested Geophysical Anomaly San Marcial Area Silver Discovery - Largely Untested Geophysical Anomaly Plomosas Mine Area* A A' San Marcial Area* 134Moz AgEq* (combined 43-101 MRE 2023) * AgEq = combined resources of San Marcial (68Moz AgEq) and Plomosas (6
Slide 8: San Marcial Area
San Marcial Area Silver Discovery on the Edge of a New Porphyry System San Marcial Area Silver Discovery on the Edge of a New Porphyry System Discovery Section SW NE • Blue Sky Potential and Resource Growth • Wide, silver-dominant hydrothermal breccias at shallow depths • ONGOING 20,000m step-out dr
Slide 9: 20,000m Step-Out Drilling Program
20,000m Step-Out Drilling Program Resource Expansion Update 20,000m Step-Out Drilling Program Resource Expansion & Update TSX.V: GRSL | OTCQX: GRSLF | FRA: GPE 9
Slide 10: 5-Year Permitted Step-Out Drilling Program
5-Year Permitted Step-Out Drilling Program 5-Year Permitted Step-Out Drilling Program De-Risking Resource Expansion SE NW LONGITUDINAL SECTION SAN MARCIAL RESOURCE AREA DE-RISKING TSX.V: GRSL | OTCQX: GRSLF | FRA: GPE 10
Slide 11: Discovering Ounces Efficiently
Discovering Ounces Efficiently Discovering Ounces Efficiently Wide Silver Mineralized Zones AgEq Ounces Discovered per Metre Drilled 5000 oz/m 4000 oz/m 3000 oz/m 2000 oz/m 1000 oz/m 0 *Market Cap C$236M $440M $489M $512M $661M $1.9B Notes: Viz sla Silv er data was taken from Viz sla Silv er Technic
Slide 12: Plomosas Mine Overview
Plomosas Mine Overview Existing Infrastructure Fully Permitted for Development Plomosas Mine Overview Existing Infrastructure Fully Permitted for Development TSX.V: GRSL | OTCQX: GRSLF | FRA: GPE 12
Slide 13: Plomosas Mine: A Fully Permitted Past-Producer
Plomosas Mine: A Fully Permitted Past-Producer Plomosas Mine: A Fully Permitted Past-Producer Bulk Sample Test Mining Ongoing Studies Targeting On-Site Pilot Plant • Commencement of BSTM program in 2026 • Engineering / Metallurgical studies completed • 21 underground areas accessible for BSTM • Targ
Slide 14: Value Creation Road Map
Value Creation Road Map Resource Growth Project Development Value Creation Road Map Resource Growth & Project Development Permitted Plomosas Secured Funding San Marcial Area/ Major Catalysts CAD$13M Underground Mine: Plomosas Mine: H2 2026 Bulk Sample Test Mining 5-year Drill Resource Update & PEA S
Slide 15: Team Track Record
Team Track Record Team Track Record Discovery, Project Development and Global Mining M&A Marcio Fonseca Board of Directors President & CEO Eric Zaunscherb Executive Chair Eric Zaunscherb Executive Chair Marcio Fonseca President & CEO Robert Payment Chief Financial Officer Brent McFarlane Director Da
Slide 16: Capitalization & Ownership
Capitalization Ownership Capitalization & Ownership Share Ownership 23% Institutional & High Net Worth Cash Position1 Market Cap2 Avg Daily Liquidity3 3% Management & C$28.2M C$170M 6.5M shares Insiders 74% Retail $GRSL One Year % Gained JUL to NOV 2025: DECEMBER 2025 Shares Issued + Outstanding 508
Slide 17: Investment Highlights
Investment Highlights Investment Highlights Expanding Resources. Delivering Value 20,000m Step- 134Moz AgEq TOP 10 TMX Out Drilling and Growing Liquidity Expanding wide high- With Planned 2026 Offers Portfolio Low-cost per grade silver targets MRE Update Worthiness Silver Ounce Discovery Leveraging
Slide 18: Contact Us
CONTACT US CONTACT US Investor Relations: Phone +1 236 270 2057 info@grsilvermining.com 409 Granville Street, 15th Floor Vancouver, BC, V6C 1T2 GR Silver Mining @GRSilverMining EXPLORE OUR PROJECTS ON TSXV: GRSL | OTCQX: GRSLF | FRA: GPE TSX.V: GRSL | OTCQX: GRSLF | DEU: GPE 18