Slide 1: Silver Resource Growth in Mexico
Corporate Presentation | April 2026 Silver Resource Growth in Mexico TSXV: GRSL | OTCQX: GRSLF | FRA: GPE
Slide 2: In Memory of Our Founder
In Memory of Our Founder Márcio Fonseca GR Silver Mining mourns the sudden passing of Márcio Fonseca, our President, Chief Executive Officer, Director, and one of the Company's founders. Over a career spanning more than 30 years in mining and mining finance, Márcio brought exceptional passion, integ
Slide 3: 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 4: 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 5: 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 6: GRSL Growth Performance
GRSL Growth Performance Delivering Shareholder Results Increased Liquidity GRSL Growth Performance Delivering Shareholder Results & Increased Liquidity GRSL 1 Year Chart FEBRUARY 2026 JULY to NOVEMBER 2025: Top #4 Capital Structure TOP 10 TSX.V Volume Trader March 30th, 2026 TSX.V Volume Trader with
Slide 7: 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 7
Slide 8: 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 9: 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 10: 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 10
Slide 11: 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 11
Slide 12: 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$155M $440M $489M $512M $661M $1.9B Notes: Viz sla Silv er data was taken from Viz sla Silv er Technic
Slide 13: 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 13
Slide 14: 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 15: 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 16: Team Track Record
Team Track Record Team Track Record Discovery, Project Development and Global Mining M&A Marcio Fonseca Board of Directors In Remembrance of our Founder Eric Zaunscherb Executive Chair Eric Zaunscherb Interim CEO & Executive Chair Brent McFarlane Director Robert Payment Chief Financial Officer Larry
Slide 17: 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$155M 6.5M shares Insiders 74% Retail $GRSL One Year % Gained JUL to NOV 2025: FEBRUARY 2026 Shares Issued + Outstanding 508
Slide 18: 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 19: 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