Sierra Madre Gold and Silver – Ramp Up To 720tpd Throughput At The La Guitarra Mining Complex, Exploration Strategy Across La Guitarra and Del Toro Properties

Alex Langer, President and CEO of Sierra Madre Gold And Silver (TSXV: SM) (OTCQX: SMDRF), joins us to review the ramp up in throughput in operations at the La Guitarra silver-gold mine complex in Mexico, which includes 3 producing mines:  La Guitarra, Coloso, and Nazareno.   We look ahead to the ongoing 2-phase plant expansion and upcoming increased 30,000 meters of drilling planned across the La Guitarra District slated to begin here in Q4.  Additionally, we discussed the path forward at the recently acquired Del Toro mining complex, and the increased drill program there to 30,000+ meters of drilling across that property package starting next year.

 

Throughput at the Guitarra processing plant has significantly increased following Phase 1 expansion modifications to the existing crushing and milling circuits. Daily production has reached up to a steady 720 tonnes per day ("tpd"). This represents more than a 40% increase versus the previous nameplate capacity of 500 tpd.

 

Further modifications to increase capacity are scheduled to be made following the commissioning of the new 11x12 ball mill, which is now installed. Sierra Madre has also accelerated underground development, and started the groundwork for the permitted dry stack tailings facility expansion.  This is a key component of the eventual Phase 2 plant expansion plan to increase throughput to 1,200 tpd to 1,500 tpd.

 

Development has been accelerated at all three of the mines within La Guitarra - Guitarra, Nazareno and Coloso - to provide feed to the expanded plant. Approximately 2.6 kilometers of development drives have been completed since June 2026. As haulage ramps are being driven both vertically and downward from the 180-access level, this ramp development is expected to allow for additional production areas to be developed. Since July 2026, over 800 meters of access and production drives have been completed.

 

For the balance of the discussion Alex outlined the aggressive 30,000+ meter exploration plan about to commence across the La Guitarra district land package. There will be a drilling focus on the East District, at past producing historic mining areas like Mina de Agua and El Rincon.

 

The company will also embark on a parallel 30,000+ meter program next summer across their Del Toro complex.  In June 2026, Sierra Madre closed the acquisition of the Del Toro silver mine, adding a past-producing, fully permitted asset of 3 mines and a 3,000 tpd plant to its Mexico-focused silver and gold portfolio.

 

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If you have any questions for Alex regarding Sierra Madre Gold and Silver, then please email them to us at either Fleck@kereport.com or Shad@kereport.com.

 

• In full disclosure, Shad is a shareholder of Sierra Madre Gold and Silver at the time of this recording, and may choose to buy or sell shares at any time.

 

 

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