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Mogollon Project

About the Project

The Mogollon Project is located 120 km from Silver City in southwestern New Mexico. It covers an extensive, silver-gold bearing epithermal vein field. Between 1904 and 1925 the district is reported to have produced 13.1M ounces of Ag and 271k ounces of Au from 1.39M tons of rock¹. Production stopped in 1942 due to the wartime cessation of all gold and silver mining in the United States.

Sources: USGS 1927, Blackhawk Mines corporate production records 1942

“The Mogollon district presents a very rare discovery opportunity, and for good reason. It is my strong belief that the district has the potential to be one of the great remaining vein fields still left in the United States”

Galen McNamara
Summa Silver CEO & Director

Project Highlights

Under the radar opportunity with potential to be one of the last great vein fields in the US

Unfinished business with an up to 25,000 m drill program required to test extensions of a prematurely shuttered mine

Multiple Targets  emerging from detailed ground work and historic data compilation with extensive undrilled high-grade mineralization at surface

Largest historic silver producer in New Mexico with at least 16.4 Moz Ag and 339 koz Au of production at grades of 298 g/t Ag and 6.16 g/t Au or 795 g/t AgEq* between the 1880’s and 1942

First program will only test 1.5% of the prospective strike length of veins on the project

*AgEq is calculated using US$20/oz Ag, US$1,800/oz Au, with metallurgical recoveries of Ag – 90% and Au – 95%. AgEq = (Ag grade x Ag recovery)+((Au grade x Au recovery) x (Au price / Ag price))

Sources: USGS 1927, Blackhawk Mines corporate production records 1942

Consolidated Extension Drilling

Rescue Vein System - Long Section

*AgEq is calculated using US$20/oz Ag, US$1,800/oz Au, with metallurgical recoveries of Ag – 90% and Au – 95%. AgEq = (Ag grade x Ag recovery)+((Au grade x Au recovery) x (Au price / Ag price))

True thicknesses are estimated to be 70-80% of drilled intercept length.

Historic Production Source: Blackhawk Mines corporate production records 1942

Queen Vein Target

The Project features poorly explored to completely unexplored veins with strong potential for further mineralization immediately surrounding historically producing high-grade mines. There are also a number of undrilled veins with documented small-scale underground exploration workings that were driven above the main mineralized target elevation window. The depth projections of these veins represent strong conceptual drill targets.

Independence Target

*AgEq is calculated using US$20/oz Ag, US$1,800/oz Au, with metallurgical recoveries of Ag – 90% and Au – 95%. AgEq = (Ag grade x Ag recovery)+((Au grade x Au recovery) x (Au price / Ag price))

Gold Dust Target

*AgEq is calculated using US$20/oz Ag, US$1,800/oz Au, with metallurgical recoveries of Ag – 90% and Au – 95%. AgEq = (Ag grade x Ag recovery)+((Au grade x Au recovery) x (Au price / Ag price))

Multiple Targets Emerging

*AgEq is calculated using US$20/oz Ag, US$1,800/oz Au, with metallurgical recoveries of Ag – 90% and Au – 95%. AgEq = (Ag grade x Ag recovery)+((Au grade x Au recovery) x (Au price / Ag price))

Note: Grab samples are selective in nature and the resultant assays may not be representative of all mineralization on the Project

Qualified Person under NI 43-101

Galen McNamara, P.Geo., the Chief Executive Officer of the Company, and a qualified person pursuant to NI 43-101, has reviewed and approved the scientific and technical information contained on this website. Mr. McNamara has verified the data disclosed herein, including sampling and drilling data underlying the technical information contained herein, by reviewing blanks, duplicates and certified reference material that the Company inserted into the sample stream and confirming that they fall within limits as determined by acceptable industry practice.

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