Project Economics and Silver Price Sensitivity

Andrew Pollard, President and CEO of Blackrock Silver (TSX.V:BRC – OTCQX:BKRRF), joins me to discuss the first set of diamond core drill assays stepping out in the Eastern Expansion drill program, at their 100% owned Tonopah West project located in West-Central Nevada, United States.  The Eastern Expansion Program was a follow-up to the Company's reverse-circulation scout drill program at Tonopah West completed in February 2025, which showed significant potential to expand the DPB South resource area 1,200 metres in an easterly direction.

EASTERN EXPANSION PROGRAM HIGHLIGHTS:

• TXC25-166 cut 5.03 metres grading 750 grams per tonne (g/t) silver equivalent (AgEq) (306.8 g/t silver (Ag) & 4.06 g/t gold (Au)) from 165.2 metres, including 1.83 metres grading 1,661 g/t AgEq (724 g/t Ag & 8.58 g/t Au);
• TXC25-159 drilled 8.75 metres grading 193 g/t AgEq (90.3 g/t Ag & 0.94 g/t Au) from 234.1 metres, including 0.82 metres grading 1,217 g/t AgEq (567.7 g/t Ag & 5.95 g/t Au);
• TXC25-164 intercepted 5.67 metres of 263 g/t AgEq (3.6 g/t Ag & 2.38 g/t Au) from 180.0 metres, including 1.1 metres grading 955 g/t AgEq (9.2 g/t Ag & 8.67 g/t Au);

There are still 13 more drill assays pending from this area to be released by year end.   We discuss how all this new step-out drilling at the Eastern Expansion area, off DPB South towards the Ohio mine area, will then be combined with the expansion drilling completed earlier in the year at the Northwest (NW) Step Out resource area, and feed into the upcoming expanded resource estimate and updated PEA in Q1 2026. Andrew reiterates that the silver and gold mineralization at Tonopah West remains open to the northwest, east and internally between the main bodies of mineralization, as well as at depth.

As it stands today, before all the expansion drilling gets included, the updated MRE released in September, based on the M&I conversion drilling, contains a total of 0.107 million ounces (“Mozs”) of gold (“Au”) and 9.5Mozs of silver (“Ag”), or 21.1Mozs of silver equivalent (“AgEq”) of indicated mineral resources, and 0.47 Mozs of Au and 35.5Mozs of Ag, or 86.88Mozs of AgEq of inferred mineral resources.

We discussed that this Tonopah West Project really works even at far lower silver and gold prices due to the very high-grade nature of the deposit, and has excellent torque to rising metals prices.  At a 180 grams per tonne (“g/t”) AgEq cutoff, the average block-diluted grade of the indicated mineral resources is 493 g/t AgEq and the average block-diluted grade of the inferred mineral resources is 525.9 g/t AgEq.   Andrew explains how they decided to report their resources much more conservatively than most other companies, using these block-diluted grade resource models.  This actually keeps the proposed head grade at much higher levels than other peer development projects, once the economics and stope optimization process is factored in.

The Company is engaged in many derisking activities from hydrology and geotechnical drilling, to permitting, engineering, metallurgical studies, and this will all be factored into the updated Preliminary Economic Assessment in early 2026. 

If you have any follow up questions for Andrew regarding Blackrock Silver, then please email them into me at Shad@kereport.com.

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

Click here to visit the Blackrock Silver website to read over the recent news we discussed.

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