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Western Exploration Inc
Symbol WEX
Shares Issued 52,582,269
Close 2025-10-30 C$ 0.77
Market Cap C$ 40,488,347
Recent Sedar+ Documents

Western Exploration completes nine RC holes at Tomasina

2025-10-30 15:24 ET - News Release

Mr. Darcy Marud reports

WESTERN EXPLORATION UPDATES 2025 EXPLORATION PROGRAM TARGETING THE TOMASINA FAULT ZONE, AS PART OF THE AURA PROJECT

Western Exploration Inc. has provided an update on the status of the phase 1 reverse circulation (RC) drill program on the Tomasina vein zone target. The drill area is approximately 1.0 kilometre (km) west of the Gravel Creek resource, and downdip from the Saddle and Wood Gulch resource areas, at the company's wholly owned Aura gold-silver project.

The Tomasina target is a 2.5 km long structural zone downdip of the Saddle and Wood Gulch National Instrument 43-101 resources and the Hammer Head mineralization. It is projected to intersect the highly favourable Eocene Frost Creek tuff (main host rock at Gravel Creek) at the faulted unconformity with the basement Permian-Mississippian Schoonover formation.

Western completed nine RC drill holes totalling 3,239 metres (m) across the corridor, confirming widespread alteration and veining -- strong indicators of a robust hydrothermal system. These results highlight resource expansion potential for the Aura project, particularly downdip and along strike from existing NI 43-101 resources. Assay results are pending.

Program highlights:

  • Drilling confirms pervasive clay alteration and local quartz-sulphide veining consistent with mineralized zones elsewhere at Aura.
  • Holes in the Saddle area successfully intersected the key Frost Creek tuff, the same host rock as the Gravel Creek deposit with irregular stockwork veining and hydrothermal breccia zones.
  • Drilling at the southeast extension confirmed alteration but did not encounter the favourable Frost Creek tuff, though potential to the west and at depth remains a prospective target.

Significance of Tomasina target results

Western Exploration chief executive officer Darcy Marud commented: "Western Exploration is encouraged by initial visual results of the 2025 RC program, which tested only about 20 per cent of the total strike length of the Tomasina target. Key areas below Saddle, Wood Gulch and Gravel Creek remaining to be drill tested.

"Drilling was paused to allow for assay analysis and to extend permitting to next phase targets in this highly prospective target zone. As the drilling has confirmed the presence of widespread alteration and local quartz and sulphide mineralization, additional drilling will be conducted with core drilling or RC drilling with core tails."

Mr. Marud added, "The 2025 drill results support Western's confidence that the Tomasina target holds resource expansion potential that will complement the growing resource base at Gravel Creek and the Jarbidge discovery 1.0 km to the east."

Holes WG463-465 focused on a 200 m stretch of the target zone southeast of the Wood Gulch area. Although locally strong alteration was observed in the overlying Miocene Jarbidge rhyolite and basement Schoonover sediments, very little of the Eocene volcanic package was intersected. Additional drilling needs to be located farther east to target the Frost Creek formation at depth.

Holes WG466 to WG471 targeted a 500 m strike length of the Tomasina target downdip and southeast of the Saddle resource zone. Three of five holes intersected the Frost Creek tuff, with alteration extending into the Schoonover basement rocks in all five holes. The Frost Creek tuff is pervasively clay altered, with variable zones of silicification and disseminated pyrite. The Frost Creek tuff and underlying Schoonover formation metasediments below the faulted unconformity are locally cut by irregular stockwork veining and hydrothermal breccia zones 1.5 to 10.0 m in drill width containing quartz plus or minus pyrite-marcasite.

About Western Exploration Inc.

Western Exploration is advancing the 100-per-cent-owned Aura project, located approximately 120 km/75 miles north of the city of Elko, Nev. The Aura project includes three unique gold and silver deposits: Doby George, Gravel Creek and Wood Gulch. Western Exploration comprises an experienced team of precious metals experts that aim to lead the company to becoming North America's premier gold and silver development company.

Additional information regarding Western Exploration can be found on Western Exploration's corporate website and on SEDAR+ under Western Exploration's issuer profile.

Qualified person approval

The scientific and technical content in this news release has been reviewed and approved by Mark Hawksworth, general manager of the Western Exploration's Aura project, who is a qualified person within the meaning of NI 43-101.

Quality assurance/quality control (QA/QC)

Drill program design, QA/QC and the interpretation of results are performed by qualified persons employing a QA/QC program consistent with NI 43-101 and industry best practices.

Reverse circulation drilling and sampling on five-foot (ft) (1.52 m) intervals was completed by Envirotech Drilling (Winnemucca, Nev., based). Samples were collected by Western Exploration geologists at the drill site and transported Western Exploration's warehouse/logging facility in Mountain City. Chip trays were photographed and logged by company geologists. Sample intervals were recorded. Quality control samples were inserted at regular intervals in the sample stream with all sample shipments, including blanks, core duplicates and reference materials, to monitor laboratory performance. Samples were kept in the secure Mountain City facility until transported for assay.

Reverse circulation samples were transported by ALS drivers to the ALS prep facility in Elko, Nev. Samples are being analyzed for gold using ALS Chemex fire assay procedure Au-AA13, with over limits being analyzed by Au-GRA21. Samples are being analyzed for silver and a 40-element suite using ALS Chemex procedure ME-ICP41, with overlimits being analyzed by Ag-GRA21.

For additional information on the Aura project, please see the technical report, which has been prepared in accordance with the requirements of NI 43-101, a copy of which is available on SEDAR+ under Western Exploration's issuer profile and on Western Exploration's corporate website.

Cautionary statements regarding estimates of mineral resources

This news release uses the terms measured, indicated and inferred mineral resources as a relative measure of the level of confidence in the resource estimate. Readers are cautioned that mineral resources are not mineral reserves and that the economic viability of resources that are not mineral reserves has not been demonstrated. The mineral resource estimate disclosed in this news release may be materially affected by geology, environmental, permitting, legal, title, socio-political, marketing or other relevant issues. The mineral resource estimate is classified in accordance with the Canadian Institute of Mining, Metallurgy and Petroleum's (CIM) definition standards on mineral resources and mineral reserves incorporated by reference into NI 43-101. Under NI 43-101, estimates of inferred mineral resources may not form the basis of feasibility or prefeasibility studies or economic studies except for preliminary economic assessments. Readers are cautioned not to assume that further work on the stated resources will lead to mineral reserves that can be mined economically.

Inferred mineral resources have a great amount of uncertainty as to their existence and as to whether they can be mined legally or economically. On Oct. 31, 2018, the U.S. Securities and Exchange Commission (SEC) adopted new mining disclosure rules (S-K 1300) that are more closely aligned with current industry and global regulatory practices and standards, including NI 43-101, although there are some differences in the two standards. Accordingly, information concerning mineral deposits contain in this release may not be comparable with information made public by United States companies that report in accordance with S-K 1300.

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