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American Pacific Mining Receives Drill Permit Approval for the Madison Copper-Gold Project and Prepares to Test High-Priority Porphyry and Skarn Targets

Exploration Programs Permits & Approvals

American Pacific Mining Receives Drill Permit Approval for the Madison Copper-

Gold Project and Prepares to Test High-Priority Porphyry and Skarn Targets

Vancouver, B.C. – October 1, 2025 – American Pacific Mining Corp. (CSE: USGD | OTCQX: USGDF

| FWB: 1QC) (“American Pacific” or the “Company”) is pleased to announce that it has received

a drill permit for the Madison Copper-Gold Project located 43 kilometres southeast of Butte,

Montana and the Berkley Pit Mine within the Idaho -Montana Porphyry Belt (Figure 1) . This

milestone enables the Company to commence drilling on multiple high -priority district targets,

including porphyry targets identified through extensive geologic mapping, geophysical surveys,

and 3D modeling.

“We are very pleased to have received approval to advance the next phase of drilling at

Madison,” commented Managing Director of Exploration, Eric Saderholm. “At present, 7 drill

pads have been fully permitted, with an additional 12 pads pending approval. By structuring the

program across two separate Bureau of Land Management (“BLM”) Notices of Intent, we are not

only managing surface disturbance more efficiently , but also creating the flexibility to build a

robust and district-scale drill campaign. The program envisions up to 30 holes from multiple pads,

including two deep 900 -metre tests of the porphyry targets. These sites span the property,

targeting previously untested ground, distal porphyry anomalies, and high -grade skarn and

quartz vein mineralization identified in surface sampling.”

CEO, Warwick Smith, added: “The current commodities market has heightened the demand for

high-quality mineral projects, and we are in advanced discussions with prospective partners on

several of the properties within our portfolio. In addition to advancing towards a major drill

campaign at Madison, we expect to unlock significant value through potential new joint-venture

partnerships, asset sales and spin-outs in the weeks and months ahead.”

Planned Drill Program Highlights (Figure 2):

• Porphyry Potential at Depth: Deeper holes will test geophysical anomalies (IP

chargeability highs, magnetic high and low boundaries), interpreted as potential porphyry

copper-gold centers beneath skarn horizons.

• High-Grade Copper-Gold Skarn Targets: Step-out drilling is aimed at expanding known

zones of copper-gold mineralization along the Silver Star structural corridor (Figure 3).

• Structural Extensions: Infill and extension drilling will target high-grade structures that

remain open along strike and at depth.

• District-Scale Exploration: Several untested geophysical and geochemical anomalies will

be tested to evaluate the broader mineralized system , including newly identified mafic

intrusion with samples of up to 38.5 grams per tonne gold and 33 grams per tonne silver.

Disclaimer: Surface samples, by their nature, are selective and may not represent underlying values.

Figure 1: Idaho-Montana Porphyry Belt showing project location.

Figure 2: Madison Project approved and pending drill sites.

Figure 3: Geology map showing distribution of mineralization highlighting district wide potential.

About the Madison Copper-Gold Project

The Madison Project was host to small-scale production that concluded in 2012, with 2.7 million

pounds of copper produced at grades ranging from 20 -35% copper. Subsequent drilling at

Madison in 2017 included 30.18 metres of 24.50 g/t gold and 0.39% copper and 10.97 metres of

41.65 g/t gold and 0.38% copper (UG17-05 and UG17-06, respectively). Additional production at

the nearby Broadway/Hudson Mines is reported to total ~147,000 ounces gold at 9.9 g/t and

recent drilling has provided substantial evidence to demonstrate a structural and stratigraphic

link connected the past -producing, which are located along the same northwest -trending

corridor of altered quartz monzonite and associated skarn that is now understood to be a part of

the same mineralizing system. Full disclosure can be found in the Company’s NI 43-101 Technical

Report for the Madison Project (americanpacificmining.com)

Qualified Person Statement

Technical aspects of this press release have been reviewed and approved by the designated

Qualified Person under National Instrument 43 -101, Eric Saderholm, P.Geo., Managing Director

of Exploration for the Company.

About American Pacific Mining Corp.

American Pacific Mining Corp. is a precious and base metals explorer and developer focused on

opportunities in the Western United States. The Company has two flagship assets: 100%-owned

Palmer Project, a Volcanic Massive Sulphide -Sulphate (VMS) project in Alaska, and the 100% -

owned Madison Project, a past -producing copper -gold project in Montana. For the Madison

transaction, American Pacific was selected as a finalist in both 2021 and 2022 for ‘Deal of the

Year’ at the S&P Global Platts Metals Awards, an an nual program that recognizes exemplary

accomplishments in 16 performance categories. Also, in American Pacific’s asset portfolio are

three high-grade, precious metals projects located in key mining districts of Nevada, USA: the

Ziggurat Gold project, the Gooseberry Silver-Gold project; and the Tuscarora Gold-Silver project.

The Company’s mission is to grow by the drill bit and by acquisition.

On behalf of the American Pacific Mining Corp Board of Directors:

Warwick Smith, CEO & Director

Corporate Office: Suite 910 – 510 Burrard Street

Vancouver, BC, V6C 3A8 Canada

Investor relations contact:

Kristina Pillon, High Tide Consulting Corp.

604.908.1695 / [email protected]

Media relations contact:

Adam Bello, Primoris Group Inc.

416.489.0092 / [email protected]

Full disclosure can be found in our NI 43-101 Technical Report for the Madison Project at

www.americanpacificmining.com.

The Canadian Securities Exchange has neither approved nor disapproved the contents of this

news release.