Vanguard Mining Corp. Begins Exploration Program at Nucleon Uranium Project

Vancouver, BC — January 13, 2026 — Leads & Copy — Vanguard Mining Corp. will begin its Phase 1 exploration program at the Nucleon Uranium Project in Saskatchewan’s Athabasca Basin. The project comprises four exploration areas strategically positioned within uranium discovery and development corridors of the Basin.

Hardline Exploration Ltd. will manage the exploration program across the Company’s seven mineral claims organized into four exploration areas totaling 23,424.90 hectares. The Nucleon Project is located in the Athabasca Basin.

Vanguard Mining Corp. CEO David Greenway said that the Nucleon Project gives Vanguard a position along a uranium discovery corridor, near Fission Uranium’s Patterson Lake South deposit and NexGen Energy’s Arrow deposit. With over 23,000 hectares in the Athabasca Basin and no historical modern exploration, Greenway said this is a “genuine blue-sky opportunity.”

The western portion of the Nucleon Uranium Project is located along the same regional geological corridor that hosts Fission Uranium’s Patterson Lake South (PLS) deposit and NexGen Energy’s Arrow deposit.

Vanguard’s western Nucleon claims lie within the same region that has hosted uranium discoveries, giving the Company exposure to the same structural and geological controls that have delivered some of the largest uranium deposits in modern history.

Each of Vanguard’s four priority prospects is situated near or along trend with major Athabasca Basin uranium explorers and producers. Hardline Exploration will integrate regional geological models and publicly available results from nearby discoveries when interpreting Nucleon’s geochemical data.

Phase 1 will consist of a lake sediment geochemical survey designed to screen and prioritize uranium-bearing systems across the Nucleon Project. Winter conditions allow frozen lakes to be accessed, enabling collection of sediments that act as geochemical traps for uranium.

The Phase 1 program will be completed at an estimated cost of C$25,000 and will include:

• Systematic lake sediment sampling across all claim blocks
• Multi-element geochemical analysis targeting uranium and associated pathfinders
• Anomaly mapping and prospect ranking
• Selection of high-priority targets for follow-up exploration

The Phase 1 program will be used to rank and prioritize the Company’s four priority uranium prospects and guide subsequent ground-based exploration activities.

Vanguard has engaged Hardline Exploration to carry out an exploration program across the Nucleon Uranium Project. The first stage of work will focus on screening the Company’s land package and identifying uranium-bearing systems using geochemical techniques.

The winter program will consist of a lake sediment geochemical survey designed to identify uranium and pathfinder element anomalies across the Company’s seven mineral claims.

Results from this program will be used to rank and prioritize the Company’s four priority uranium prospects and define the most prospective targets for follow-up fieldwork, including ground geophysics, radiometric surveys, and geochemical sampling.

Subsequent exploration activities are expected to include radiometric surveys, geochemical sampling, geophysics, drill target definition, permitting, and First Nations consultation, culminating in the testing of high-priority targets through drilling once targets are sufficiently refined.

To date, no modern exploration has been conducted on the Nucleon mineral claims.

The Nucleon Uranium Project comprises seven exploration-stage mineral claims totaling 23,424.90 hectares in northern Saskatchewan, Canada.

The project is organized into four exploration areas:

• Western Claims: Located along the same regional trend that hosts Fission Uranium’s Patterson Lake South (PLS) deposit and NexGen Energy’s Arrow deposit.
• Northern Claims: Situated adjacent to active exploration and development projects operated by Atha Energy Corp. and Denison Mines.
• Eastern Claims: Positioned near major operating and development projects of Cameco Corporation and Orano Canada.
• Central / Nearby Claims: Located within a district that includes historic uranium deposits such as Cluff Lake and Shea Creek.

The scientific and technical information contained in this news release has been reviewed and approved by Lawrence Segerstrom, a consulting geologist.

Brent Rusin
Phone: +1 672-533-0348
E-Mail:brent@vanguardminingcorp.com

Source: Vanguard Mining Corp.