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Vancouver, March 3, 2025 – Summa Silver Corp. (“Summa Silver” or the “Company”) (TSXV:SSVR) (OTCQX:SSVRF) (Frankfurt:48X) is pleased to report that it has finalized technical reports (the “Technical Reports”) detailing the mineral resource estimates (each an “MRE”), for the Company’s 100% owned projects in the United States – the Hughes Project in Nevada (“Hughes Project”) and the Mogollon Project in New Mexico (“Mogollon Project”). The Technical Reports have been prepared for the MREs in accordance with National Instrument 43-101 (“NI 43-101”) and are available on the Company’s website and filed on SEDAR+.

Hughes Project:
Indicated Mineral Resources (in-situ) are estimated to include 10.26 million silver equivalent ounces¹ (Moz AgEq) (5.81 Moz silver and 0.05 Moz gold) at a grade of 333 grams per tonne silver equivalent¹ (g/t AgEq) (188.4 g/t silver and 1.59 g/t gold) contained within 0.96 million tonnes (Mt).
Inferred Mineral Resources (in-situ)are estimated to include 32.91 Moz AgEq (15.91 Moz silver and 0.19 Moz gold) at a grade of 421 g/t AgEq (203.7 g/t silver and 2.41 g/t gold) contained within 2.43 Mt.
Inferred Mineral Resources in Tailings are estimated to include 2.74 Moz AgEq (1.79 Moz silver and 0.011 Moz gold) at a grade of 68 g/t AgEq (44.0 g/t silver and 0.26 g/t gold) contained within 1.26 Mt.
Mogollon Project:
Inferred Mineral Resources are estimated to include 32.08 Moz AgEq (12.12 Moz silver and 0.24 Moz gold) at a grade of 367 g/t AgEq (139 g/t silver and 2.72 g/t gold) contained within 2.72 Mt.
Note:
1. Silver Equivalent (AgEq) grade is based on silver and gold prices of $25/oz and $2100/oz respectively, and recoveries for silver and gold of 90% and 97%, respectively for the Hughes Project and 97% and 97%, respectively for the Mogollon Project. AgEq Factor= (Ag Price / Au Price) x (Ag Rec / Au Rec); g AgEq/t = g Ag/t + (g Au/t / AgEq Factor).

Table 1. Summary of Indicated and Inferred Mineral Resources for Summa Silver’s Projects
see & read more on
https://summasilver.com/summa-silver-files-technical-reports/