GR Silver Mining

GR Silver Mining Ltd. (TSXV: GRSL | OTCQB: GRSLF | DEU:GPE) is fully funded to deliver its plan for restarting the 100% owned PERMITTED Plomosas Project in a $40/oz + Silver environment. The company discovered 134M Silver equivalent ounces, rapidly growing and stepping out at the San Marcial Area. Only 20% of the San Marcial Area anomaly has been explored. The company is advancing the step-out drilling at San Marcial with recent results such as 75 m at 293 g/t AgEq (Sept 3rd), and simultaneously advancing the re-start of the high grade Plomosas underground mine. San Marcial and Plomosas areas are synergistic to extend the permit as single large scale SILVER developer. GR SILVER has been a TSX-V TOP 10 Volume trader for the last 4 months, with average volume of 7.4M shares traded per day.

Management Profile:

Marcio Fonseca (CEO & Director) has the technical experience to evaluate exploration and operational assets from exploration stage to mining operations. His Senior roles include Echo Bay Mines, SilverCrest Mines, Phelps Dodge, and Vale in Latin America. 30+ years of mining and financial industry experience as the former Division Director for Macquarie Bank – Metals and Energy and managed the $150M acquisition of SilverCrest Mines by First Majestic and the spin-out of SilverCrest Metals

What is your rationale for taking part in 121 Mining Investment?

GR Silver is looking to grow its institutional backing. Being fully funded with no debt and a high share-liquidity, it welcomes participation of long - Institutions looking to grow their Primary Silver exposure.

What recent news would you like to highlight to investors attending?

SEPT 25th 2025 - GR Silver Mining Drills Two New Silver and Gold Mineralized Zones at San Marcial. SMS25-10A Returns 9 m at 374 g/t Ag including 1.0 m at 1,542 g/t Ag; and
33 m at 1.44 g/t Au including 1.2 m at 32.1 g/t Au.

SEPT 9th 2025 - GR Silver Mining Receives a 5-Year Milestone Drill Permit for the San Marcial Area of the Plomosas Silver Project

SEPT 1st 2025 - GR Silver Mining Intersects Extensive High-Grade Epithermal Silver System.
SMS25-09 Returns 75 m at 293 g/t AgEq, including 6.4 m at 1,915 g/t AgEq

AUG 13th 2025 - GR Silver Closes Bought Deal Offering with Full Exercise of Over-Allotment
Option for Gross Proceeds of $13.8 Million

What are your key goals for the next 3, 6 and 12 months?

3 Months

RESULTS of expansion step-out drilling at San Marcial, gearing to an updated 43-101 resource estimation early 2026. Bulk Sample Test and Engineering work at Plomosas.

6 Months

Demonstrate the considerable EXPANSION scale of the wide, silver-dominant mineralization system at San Marcial. Demonstrate the path for GROWTH in resources and economics at Plomosas.

12 Months

Production re-start, initial economic assessments and resource base growth - a trajectory for our company to become a take-over candidate in the next 24-36 months.

What do you see as the key risks and challenges facing your company at the moment and how are you overcoming these?

The Mexican political and regulatory landscape offers challenges, which we can overcome by being top tier corporate citizens and partners to our community and state stakeholders.

What do you think makes your company such a compelling investment?

GRSL takes advantage of the 2 exciting parts of the Lassonde Curve. #1 Exploration Upside: Having only explored about 20% of the target footprint at San Marcial offers multiple growth in SILVER PRIMARY resources at an average expenditure rate of $0.17 per ounce Ag. #2 MINING Restart and Growth at Plomosas in a US$40/oz+ Ag price environment could offer attractive returns. 

What are the top 3 key investor takeaways?

1. Highly prospective Plomosas Silver Project in Sinaloa, Mexico (100% owned) featuring a unique geological setting responsible for wide, high-grade, silver-dominant mineralization, including the former Plomosas Mine, fully-developed and permitted.

2. Substantial Financial well-being - Fully Funded to carry out plans.

3. Strong leadership team and board of directors, and an exceptional Rosario District work-force ready./li>