Core Silver Corp. (CSE: CC | FRA: 8ZR | OTCQB: CCOOF) announced on October 19, 2026 that visible copper-bearing sulphide mineralization has been intersected in all four initial drill holes of its Phase One diamond drilling program at the Touleary Project in Yukon, Canada. The first four holes represent 962.6 metres of a planned minimum 3,000 metres. Assay results are pending, and investors may be watching for laboratory-confirmed grades of copper, zinc, gold, and silver across the sampled intervals.

Key Points

  • Core Silver Corp. (CSE: CC | FRA: 8ZR | OTCQB: CCOOF) is a Canadian mineral exploration company advancing the Touleary VMS Project in Yukon.
  • Visible chalcopyrite confirmed in all four initial holes — TL-26-006, TL-26-007, TL-26-008, and TL-26-009 — with zinc-bearing sulphides also observed in several intervals.
  • Highlighted sulphide intercepts include a 7-metre interval in TL-26-008 (208.5–215.5 m) and intervals of 1.5 m and 2 m in TL-26-007; assays are pending for all four holes.
  • Investors should watch for laboratory assay results confirming copper, zinc, gold, and silver grades across sampled intervals.

Phase One Drilling at the Touleary Discovery Zone Confirms VMS-Style Sulphide Textures

Core Silver's 2026 Phase One program is focused on the Discovery Zone, where historical 2011 drilling returned notable results including 2.25 metres grading 7.18% copper, 3.55 g/t gold, 4.30% zinc, and 116 g/t silver in hole TL-11-05. The 2026 holes have intersected semi-massive to massive sulphide textures including pyrite, chalcopyrite, sphalerite, and barite that are described in the release as texturally and mineralogically similar to those 2011 intercepts. Sericite alteration flanking and within mineralised intervals has been identified in holes TL-26-006 through TL-26-009, helping refine the geological interpretation of the zone. Readers are cautioned that visual observations do not establish metal grades and may not correlate with assay results.

Touleary's 3.5-Kilometre Geophysical Trend Remains Largely Untested

The Discovery Zone geophysical signature is interpreted to extend approximately 3.5 kilometres, yet only 335 metres of that trend has been tested by historical drilling. The 2026 program is designed with aggressive step-outs from prior drill collars to probe the system's lateral and down-dip extent. The release also identifies additional targets planned for Phase One testing: Target-4, defined by a three-kilometre linear geophysical signature with anomalous copper and zinc in soils; Target-5, defined by a 1.2-kilometre geophysical signature; and Target-8, associated with an interpreted vent complex carrying anomalous copper, gold, silver, and zinc soil samples. None of these targets has prior drilling.

NI 43-101 Qualified Person Oversight and Pending Laboratory Results

Nicholas Rodway, P.Geo and President and CEO of Core Silver, serves as the qualified person under National Instrument 43-101 and has verified and approved the technical content of this announcement. Verification included reviewing drill core logs, historical assessment reports, and laboratory certificates, with no limitations noted. Samples from all four initial holes have been prepared and submitted for laboratory analysis. Confirmed assay grades for copper, zinc, gold, and silver will be disclosed once received, and the company indicated it expects to provide information on subsequent holes shortly, as stated in the release.