Sierra Madre Gold & Silver

Sierra Madre Gold and Silver Ltd. (TSXV: SM) (OTCQX: SMDRF) is a precious metals development and exploration company focused on the Guitarra mine in the Temascaltepec mining district, Mexico, and the exploration and development of its Tepic property in Nayarit, Mexico. The Guitarra mine is a permitted underground mine, which includes a 500 t/d processing facility that operated until mid-2018 and restarted commercial production in January 2025.

The +2,600 ha Tepic Project hosts low-sulphidation epithermal gold and silver mineralization with an existing historic resource.

Sierra Madre's management team has played key roles in managing the exploration and development of silver and gold mineral reserves and mineral resources. Sierra Madre's team of professionals has collectively raised over $1 billion for mining companies.

Management Profile

Alex Langer, CEO, President & Director

Mr. Langer is a successful public markets specialist with 20 years of experience. He started his career as an Investment Advisor with Canaccord Genuity, where he helped fund over 100 private and publicly listed companies including the IPOs for Endeavour Silver, Fortuna Silver, and Great Panther. Most recently he was Co-Founder and Vice President of Prime Mining (TSXV) and Millennial Lithium (TSXV) where he handled Capital Markets for both companies. He is a founding Director of Reyna Silver Corp. (TSXV) and is currently the President and a Director of Li-FT Power Ltd (TSXV).

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

Looking for new long term shareholders

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

• Sept 30: Sierra Madre Announces Nazareno Silver and Gold Mine Preparing for Production
• Sept 8: Sierra Madre Announces La Guitarra Expansion Plans
• Aug 21: Sierra Madre Announces Strong Q2 2025 Financial Results, Ramps up Coloso Mine at La Guitarra
• Jul 31: Sierra Madre Announces Closing of Second Tranche of $19.5 Million Best Efforts Private Placement of Units

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

3 Months

• Expected increase in production, decreased costs
• Planning plant expansion

6 Months

⁠Exploration and +20,000m East District drill program.

12 Months

Expansion

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

Metal prices (mitigate via ongoing operational optimization); operational challenges (mitigate via continuous improvements and adding contingencies)

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

• La Guitarra (operating asset with upcoming catalysts ahead to increase production and reduce costs, Re-rate potential as La Guitarra grades increase, costs decrease plus plant expansion optionality and exploration upside}
• Well capitalized (In commercial production at La Guitarra $5.9 million current assets (June 30) C$19.5 million private placement closed July 2025)

What are the top 3 key investor takeaways?

1. Mexico’s Newest Silver and Gold Producer

2. Decades of exploration & development success in Mexico

3. Infrastructure and jurisdiction focus