Antimony Resources Corp. (ATMY) (K8J0) Reports Massive Antimony Bearing Stibnite - Drills 4.17% Sb Over 7.40 Meters Including Three Zones Of Massive Antimony Bearing Stibnite Which Returned 28.8% Sb, 21.9% Sb, And 17.9% Sb Respectively

Table 2 contains the details of the mineralized section in drillhole BH-25-03. The relationship of gold to the antimony values is not as strong as in drillhole BH-25-04, however the gold values include up to 2.15 grams per tonne in locations adjacent to the stibnite mineralization giving the section a slightly higher gold content.

The assay results for drillhole BH-25-04 are contained on Table 3 below which shows the summary of assays.

Table 4 contains the details of the mineralized sections for drill hole BH-25-04 with three high-grade zones are seen at depths of 107.3 m, 110.0 m and 111.5 m. The overall gold values for this section are less than those seen in BH-25-03 but the relationship between gold and antimony is more clear with highly anomalous gold values associated with the higher antimony values.

The measured drill hole intersections may not represent true widths which have not yet been accurately determined but are estimated to be between 75% and 80% of the intersected lengths.

Prospecting Highlights
The prospecting efforts of our staff have identified zones of massive antimony bearing stibnite mineralization on the surface which extend the potential for at least 200 meters to the southeast from the present drill locations. Identification of the surface exposures together with the model created for the mineralization (see Press Release Dated May 5, 2025) has assisted in focusing the continued drill program (Map 1 Photo 3).

Photo 3: Example of Surface Stibnite Occurrence

To view an enhanced version of this graphic, please visit:

Jim Atkinson, P. Geo., CEO of Antimony Resources Corp stated: "I am very pleased with the assays returned for drillholes BH-25-03 and BH-25-04. The shortfall of the first two drillholes was disappointing but we have better identified the location of the mineralization with each successive drill hole and the surface mapping and have retargeted the area of drillholes 1 and 2 with additional drill holes to intersect the Zone. We are anxiously awaiting the next batch of assays. As the drilling progressed batches of samples were submitted to the laboratory on a regular basis, which should mean a continuous flow of results over the next couple of months.

The results obtained in these first sample have increased our confidence in the validity of the previous drilling results and will assist in establishing the drill hole density we will need for a Resource."

Bald Hill Antimony Project

Highlights from Past exploration

• Bald Hill is a well-known, high-grade antimony deposit in southern New Brunswick
• Past work including drilling has outlined an antimony deposit over 500 m. long
• Widths average over 3 meters and grades average 3% to 4% antimony.
• Historical NI-43-101 Technical Report: Potential quantity and grade of the drilled area, which is the target of our exploration, is in the 725,000 to 1,000,000 tonne range grading 4.11% to 5.32% Sb (~30,000 to 40,000 tonnes contained antimony) ¹
• Potential to expand based on additional known targets

The Bald Hill Antimony Property

The property is located approximately equal distance from Sussex, Fredericton and St John in southern New Brunswick. Access is very good with provincial and regional highways crossing and adjacent to the property. Drilling can be completed year-round. There is over 5400 meters of drill core from past exploration available for examination in the Sussex office of the New Brunswick Geological Survey. A total of 25 drillholes totaling over 5400 m have been completed on the property.

The deposit consists of at least three antimony-bearing breccias and hydrothermal veins zones trending northwesterly. Mineralization has been defined over a 700-meter strike length to a vertical depth of 300 meters and is open in all directions and to depth. High Grade antimony has been encountered in previous drilling including the discovery Hole DDH08-03 which intersected 4.51m at a grade of 11.7% Antimony (Sb) including 2.29m grading 20.9% Sb.

A possible extension of the Main Zone was discovered in 2014. Trenching approximately 450 meters south of Main Zone returned values of 2.90% Sb over 8.18m, which included 5.79% Sb over 1.75m and 8.47% over 1.53m. Drilling in this area confirmed the presence of antimony bearing stibnite mineralization similar to the Main Zone which has not been sufficiently explored.

The exploration plan in 2025 is to complete at least 2,500 meters of diamond drilling to explore the known mineralized zone, extend the mineralization to the north and south and down dip and expand parallel veins discovered in the past. It is hoped that the drilling will allow us to calculate a Maiden Resource by the end of the year. An historical NI 43-101 technical report, prepared by CRA in 2010^[1], identified the potential for between 705,000 and 1,000,000 metric tonnes at an average grade between 4% and 5% antimony (Sb)¹⁾. - Antimony Resources Corp. has not completed enough work to confirm this estimate. The potential quantity and grade are conceptual in nature as there has been insufficient exploration to define a mineral resource, and it is uncertain if further exploration will result in the target being delineated as a mineral resource.

The technical contents of this news release were reviewed and approved by Jim Atkinson, MSc., P.Geo., who is a qualified person as defined by National Instrument 43-101.

Sampling Procedures - Quality Assurance/Quality Control

Analytical services were provided by Actlabs, which is an independent, CALA- and SCC-accredited analytical services firm registered to ISO 17025 and ISO 9001 standard. NQ drill core samples were logged and split in half with a diamond core saw. Half-core samples were securely stored at the core logging facility until being delivered to Actlabs Fredericton lab by staff of ATMY. Samples were crushed (< 7 kg) up to 90% passing 2mm (10 mesh), riffle split to 250 g and pulverized by mild steel to 95% passing 105μm (150 mesh). Samples splits underwent a 4-acid near total digestion followed by a multi-element analysis, including base metals, using an ICP method for 35 elements. Result over the detection limits were rerun using assay techniques.

Antimony Resources conducted a comprehensive QA/QC program for the analysis comprising approximately 20% for each batch including: one sample of certified reference material, one sample duplicate of split core, one pulp duplicate taken at the lab and one blank sample for each batch of 25 samples.

The Laboratory also completed QA/QC procedures including duplicates, method blanks and standards. An additional 13% QA/QC was performed as part of the instrumental analysis to ensure quality in the areas of instrumental drift.

About Antimony Resources Corp. (CSE: ATMY) (FSE: K8J0)

Antimony Resources Corp. is a exploration and development company focused exclusively on Antimony. The Company's management team possesses extensive experience in financing, exploration, development and mining. The Company is focused on becoming a significant North American producer of antimony.

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