U.S. GoldMining Provides Update on 2026 Exploration Program and Policy Tailwinds at its 100% Owned Whistler Gold-Copper Project, Alaska

Rhea-AI Summary

U.S. GoldMining (NASDAQ: USGO) reported progress on its fully funded 2026 exploration program at the 100% owned Whistler Gold-Copper Project in Alaska. The company has completed 11 diamond core drill holes totaling over 5,000 meters across eight targets in the Whistler Orbit area, with two rigs active and initial assay results expected in the coming weeks.

According to U.S. GoldMining, the program is designed to build on the March 2, 2026 PEA, which, based only on indicated resources at the main Whistler deposit, outlined an after-tax NPV5% of $2.0 billion, a 33% IRR and a 2.1-year payback at base case prices. Management also highlighted ongoing community engagement, federal and state policy outreach, and an August 24, 2026 congressional site visit emphasizing the project’s potential role in U.S. critical mineral security and the proposed West Susitna Access Road.

Positive

• 11 drill holes and 5,000+ meters completed in 2026 program, across eight targets, with drilling reported as on schedule and on budget.
• After-tax NPV5% of $2.0 billion from the March 2, 2026 PEA, based on indicated resources from the main Whistler deposit.
• 33% internal rate of return and estimated 2.1-year payback period in the PEA economic model at base case prices.
• Fully funded 2026 exploration campaign with two diamond drill rigs active and a pipeline of regional targets being advanced.
• High-level congressional engagement via an August 24, 2026 site tour, signaling political interest in the West Susitna Mineral District and associated infrastructure.

Negative

• The company notes the PEA is preliminary, not a pre-feasibility or feasibility study, and mineral resources do not have demonstrated economic viability.
• Numerous assumptions and uncertainties are embedded in the PEA mine schedule, cost estimates and economic assessment, with no certainty the initial economic assessment will be realized.

News Explained

The 2026 program remains active, but the cited PEA is preliminary—not a feasibility study—and its mineral resources are not reserves with demonstrated economic viability, so the reported economics are an initial assessment rather than a firm development result.

Market Context

Recent comparable announcements produced -3.62% and -2.49% 24-hour reactions, placing this progress ...

Analysis

Recent comparable announcements produced -3.62% and -2.49% 24-hour reactions, placing this progress update within a mixed historical record. Short positioning was moderate, adding volatility risk; forthcoming assay results are the principal event-specific differentiator.

Key Figures

Completed drill holes: 11 drill holes Drilling completed: over 5,000 meters Targets tested: eight targets +5 more

8 metrics

Completed drill holes 11 drill holes 2026 exploration program

Drilling completed over 5,000 meters across eight distinct targets

Targets tested eight targets Whistler Orbit area

After-tax NPV $2.0 billion PEA at a 5% discount rate

Discount rate 5% PEA NPV calculation

Internal rate of return 33% IRR PEA at base case prices

Initial payback 2.1 years PEA at base case prices

Operating drill rigs two rigs active 2026 drilling campaign

Historical Context

5 past events · Latest: Jul 06 (Positive)

Pattern 5 events

Date	Event	Sentiment	24h Move	Catalyst
Jul 06	drilling program	Positive	-3.6%	Company commenced drilling across high-priority Whistler Orbit exploration targets.
Jun 09	exploration update	Positive	-2.5%	Company updated exploration progress and highlighted district infrastructure catalysts.
Apr 20	program mobilization	Positive	-0.5%	Company mobilized exploration activities targeting district-scale porphyry discoveries.
Mar 23	PEA filing	Positive	+5.5%	Company filed technical reports supporting the Whistler preliminary economic assessment.
Mar 05	leadership appointment	Positive	-4.1%	Company appointed Imola Götz as Vice President of Project Development.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

Recent exploration updates were generally followed by negative 24-hour reactions, while the PEA filing produced a positive reaction.

Key Terms

porphyry, initial economic assessment, npv5%, irr, +2 more

6 terms

porphyry technical

"high-priority porphyry targets within the broader Whistler Orbit area"

A porphyry is a type of large, underground mineral deposit that contains valuable metals such as copper, gold, or molybdenum, often spread over a wide area. Think of it as a giant underground treasure chest, where the metals are embedded in rock formations. These deposits are important to investors because they can be the source of significant resource extraction projects with the potential for substantial economic returns.

initial economic assessment financial

"the previously announced initial economic assessment ("PEA") for the Project"

An initial economic assessment is an early-stage, high-level study that estimates whether a natural resource project (usually a mineral deposit) could be commercially viable. It uses limited geological, engineering and cost data to produce broad metrics like potential production, capital and operating costs, and simple payback estimates; because it’s based on preliminary information and inferred resources, its results carry substantial uncertainty and serve as a rough business sketch for investors weighing upside versus risk.

npv5% financial

"an after-tax net present value of $2.0 billion at a 5% discount rate ("NPV5%")"

Net present value at a 5% discount rate (NPV 5%) measures the current worth of a sequence of expected future cash flows after shrinking them by 5% per year, like comparing getting money now versus in the future with a 5% annual “cost” for waiting. Investors use NPV 5% to judge whether an investment or project creates value: a positive number suggests the returns exceed that 5% benchmark, while a negative number implies the money would be better used elsewhere.

irr financial

"a 33% internal rate of return ("IRR")"

IRR (Internal Rate of Return) is the annualized percentage return an investment is expected to produce based on its projected series of cash outflows and inflows; mathematically, it’s the rate that makes the present value of those cash flows balance to zero. Investors use IRR to compare and rank projects or investments—similar to comparing the interest rates on savings accounts—to judge which offers the best return for the time and risk involved.

View in glossary

s-k 1300 regulatory

"prepared under subpart 1300 of Regulation S-K under the U.S. Securities Act"

Regulation S-K Item 1300 is a U.S. securities disclosure rule that requires public companies to report how they manage cybersecurity risks and to promptly disclose material cyber incidents. Think of it as a requirement to tell investors both the company’s “cyber health” plan and any major break-ins, similar to a homeowner explaining their alarm system and alerting neighbors after a burglary. This helps investors assess operational risk and potential financial or reputational impact.

ni 43-101 regulatory

"the Canadian National Instrument 43-101 ("NI 43-101") technical report"

A Canadian regulatory standard that sets the rules for how mining and exploration companies must report mineral resources and reserves, requiring technical reports prepared or signed off by an independent, certified expert. It matters to investors because it creates a consistent, transparent “inspection report” for mining projects, making it easier to compare prospects, judge the reliability of claims, and assess geological and financial risk before investing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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ANCHORAGE, Alaska, Aug. 27, 2026 /PRNewswire/ -- U.S. GoldMining Inc. (NASDAQ: USGO) ("U.S. GoldMining" or the "Company") is pleased to provide an update on its fully funded 2026 exploration program and highlight recent federal policy engagement at its Whistler Gold-Copper Project in Alaska ("Whistler" or the "Project"). 

Highlights:

• Exploration Drilling Well Advanced: The Company has completed 11 diamond core drill holes for over 5,000 meters across eight distinct targets in the Whistler Orbit area. Drilling continues to advance safely, on schedule, and on budget, with initial assays expected in the coming weeks.
  
  
• Systematic District Growth Strategy: Exploration is actively testing high-priority targets within the Whistler-Raintree area with the goal of building a pipeline of new porphyry discoveries capable of driving long-term resource expansion. Regional mapping and prospecting are advancing concurrently across the Long Lake Hills, Muddy Creek, Snow Ridge, and Island Mountain target areas.
  
  
• Anchored by PEA: The ongoing exploration program is designed to build upon the previously announced initial economic assessment ("PEA") for the Project (see news release March 2, 2026). Incorporating only the estimated indicated mineral resources from the main Whistler deposit, the PEA modelled an after-tax net present value of $2.0 billion at a 5% discount rate ("NPV5%"), a 33% internal rate of return ("IRR") and estimated initial payback of 2.1 years, at base case prices. See "Technical Information".
  
  
• High-Level Congressional Delegation Hosted at Whistler: On August 24, 2026, the Company hosted several members of the U.S. House of Representatives and senior congressional staff participating in a Western Caucus Foundation field tour of Alaska. This provided an opportunity to showcase the Project's strategic value to domestic supply chain resilience, critical mineral security, and regional infrastructure development.

Tim Smith, Chief Executive Officer of U.S. GoldMining commented: "Our 2026 exploration program is firing on all cylinders. Having completed over 5,000 meters of drilling across eight distinct targets safely, on schedule, and on budget, we are systematically unlocking the district-scale discovery potential that surrounds our core Whistler deposit. With initial assays anticipated in the coming weeks, we look forward to demonstrating how near-deposit targets can add further value." 

"We were also honored to host members of the Western Caucus Foundation and congressional leaders at Whistler. Their visit underscores the growing recognition of the West Susitna Mineral District as a potential vital contributor to U.S. domestic critical mineral security, further bolstered by ongoing momentum surrounding the proposed West Susitna Access Road."

2026 Exploration Program Progress

The Company's diamond core drilling campaign remains active with two rigs operating at site. Drilling to date has focused on testing high-priority porphyry targets within the broader Whistler Orbit area, where multiple stacked geological, geochemical, and geophysical vectors have delineated high-priority anomalies.

Concurrently, field crews are progressing surface exploration, including detailed mapping, geochemical sampling, and prospecting over regional target areas, including Snow Ridge, Long Lake Hills, Muddy Creek, and Island Mountain, to maintain a deep pipeline of drill-ready targets for future campaigns.

Core logging and sampling facilities are fully operational on site, and initial batches of core samples have been dispatched to the laboratory with initial assay results anticipated in the coming weeks.

Community Engagement & Permitting Pathway

The Company has continued to proactively advance its stakeholder engagement initiatives across the Matanuska-Susitna Borough and neighboring Native communities throughout the West Susitna Mineral District. The Company is dedicated to establishing a clear, responsible pathway toward future permitting by prioritizing workforce safety, early and transparent community consultation, local hiring, and environmental stewardship.

Federal and State Policy Engagement

Management continues to actively engage with key municipal, state and federal stakeholders to elevate the strategic significance of the Whistler Project within the emerging West Susitna Mineral District. 

To date in 2026, Company leadership has participated in extensive meetings at the Alaska State Capitol in Juneau and in Washington, D.C. On August 24, 2026, U.S. GoldMining hosted a congressional site tour at Whistler as part of the Western Caucus Foundation visit to Alaska.

The Western Caucus Foundation is an independent, non-profit organization that conducts educational programs and field tours focused on issues affecting the American West and rural communities, including natural resource development, infrastructure, permitting and economic growth. The Alaska field tour provided an opportunity for Members and congressional staff to see firsthand the scale and potential of the emerging West Susitna Mineral District and the infrastructure needed to support its development. The congressional delegation included:

• Representative Brian Babin (TX-36): Chair of the House Committee on Science, Space, and Technology; Member of the House Committee on Transportation and Infrastructure (Subcommittee on Water Resources and Environment).
  
  
• Representative Celeste Maloy (UT-02): Chair of the Congressional Western Caucus; Vice Chair of House Appropriations Subcommittee on Interior, Environment, and Related Agencies; Member of the House Committee on Natural Resources.
  
  
• Representative Jeff Hurd (CO-03): Member of the House Committee on Natural Resources (Chair of the Subcommittee on Indian and Insular Affairs); Member of the House Committee on Transportation and Infrastructure.
  
  
• Representative Pete Stauber (MN-08): Chair of the House Natural Resources Subcommittee on Energy and Mineral Resources; Member of the House Committee on Transportation and Infrastructure.

The delegation and accompanying senior congressional committee staff reviewed the vision for Whistler as a potential multi-decade project integrated into the State of Alaska's proposed West Susitna Access Road corridor (see Figure 2). The visit highlighted strong interest in supporting critical American resource projects situated entirely on State lands.

Technical Information

For further information regarding the Project, please see the technical report summary titled "Whistler Gold-Copper Project, S-K 1300 Technical Report Summary and Initial Assessment with Economic Analysis, Alaska, United States of America" (the "S-K 1300 Report") prepared under subpart 1300 of Regulation S-K under the U.S. Securities Act of 1933 ("S-K 1300") and the Canadian National Instrument 43-101 ("NI 43-101") technical report titled "Whistler Gold-Copper Project, NI 43-101 Technical Report and Preliminary Economic Assessment", each dated effective March 2, 2026. The S-K-1300 Report is available under the Company's profile at www.sec.gov and the NI 43-101 Report is available under its profile at www.sedarplus.ca.

The results of the PEA are preliminary in nature and are intended to provide an initial assessment of the Project's economic potential and development options. The PEA is not a pre-feasibility study or a feasibility study. Mineral resources are not mineral reserves and do not have demonstrated economic viability. Among other things, the PEA, including its mine schedule, cost estimates and economic assessment, includes numerous assumptions and there can be no certainty that this initial economic assessment will be realized. Actual results may vary, potentially materially and readers are cautioned not to place undue reliance on the results of the PEA.

Tim Smith, P.Geo., Chief Executive Officer of the Company, has supervised the preparation of this news release and has reviewed the additional scientific and technical information contained herein. Mr. Smith is a qualified person as defined under NI 43-101 and S-K 1300.

About U.S. GoldMining Inc.

U.S. GoldMining Inc. is an exploration and development company focused on advancing the 100% owned Whistler Gold-Copper Project, located 105 miles (170 kilometers) northwest of Anchorage, Alaska, U.S.A. The Whistler Project consists of several gold-copper porphyry deposits and exploration targets within a large regional land package entirely on State of Alaska mining claims totaling approximately 53,700 acres (217.5 square kilometers).

Visit www.usgoldmining.us for more information.

Forward-Looking Statements

Except for the statements of historical fact contained herein, the information presented in this news release constitutes "forward-looking statements" within the meaning of the United States federal securities laws and "forward-looking information" within the meaning of applicable Canadian securities laws ("forward-looking statements"). Such statements include statements with regard to the Company's plans and expectations regarding the Project, the 2026 exploration program at the Project and expected governmental support for the project, the results of the PEA, the anticipated benefits of governmental initiatives and proposed regional infrastructure, and expectations regarding future exploration plans. Words such as "expects", "anticipates", "plans", "estimates" and "intends" or similar expressions are intended to identify forward-looking statements. Forward-looking statements are based on U.S. GoldMining's current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict and involve known and unknown risks, uncertainties and other factors, which may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such risks and other factors include, among others, fluctuating commodity prices, risks inherent with preliminary economic assessments and mineral resource estimation generally, economic risks, changing economic factors, including those impacting estimated costs and expenditures and economic returns under the PEA, variations in the underlying assumptions associated with the estimation or realization of mineral resources, the availability of capital to fund programs and future development work, accidents, labor disputes and other risks of the mining industry including, without limitation, those associated with the environment, delays in obtaining governmental approvals or permits, title disputes, other risks inherent in the exploration and development of mineral properties and the other risk factors set forth in the Company's filings with the U.S. Securities and Exchange Commission at www.sec.gov and Canadian Securities Administrators at www.sedarplus.ca. Although the Company has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. Accordingly, readers should not place undue reliance on forward-looking statements contained in this news release. Forward-looking statements contained in this news release are made as of this date, and U.S. GoldMining does not undertake any duty to update such information except as required under applicable law.

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SOURCE U.S. GoldMining Inc.

FAQ

What progress has U.S. GoldMining (NASDAQ: USGO) made on the 2026 Whistler exploration program?

U.S. GoldMining reports completing 11 diamond core drill holes totaling over 5,000 meters across eight Whistler Orbit targets. According to U.S. GoldMining, two rigs remain active, surface exploration is ongoing regionally, and initial assay results from dispatched core samples are expected in the coming weeks.

What are the key economic metrics from the Whistler PEA reported by U.S. GoldMining (USGO) in 2026?

The Whistler PEA outlines an after-tax NPV5% of $2.0 billion, a 33% IRR and a 2.1-year estimated payback. According to U.S. GoldMining, this assessment uses only indicated resources from the main Whistler deposit and is preliminary in nature, not a feasibility-level study.

How preliminary is the Whistler Gold-Copper Project PEA for U.S. GoldMining (USGO)?

The Whistler PEA is described as preliminary and not a pre-feasibility or feasibility study. According to U.S. GoldMining, mineral resources are not mineral reserves, lack demonstrated economic viability, rely on numerous assumptions, and there is no certainty the initial economic assessment will be realized.

What policy and congressional engagement has U.S. GoldMining (USGO) reported for the Whistler Project in 2026?

U.S. GoldMining management met with municipal, state and federal stakeholders and hosted a congressional site tour on August 24, 2026. According to U.S. GoldMining, the delegation reviewed Whistler’s potential role in the West Susitna Mineral District and integration with the proposed West Susitna Access Road corridor.

How is U.S. GoldMining (USGO) advancing community engagement and permitting for the Whistler Project?

U.S. GoldMining reports proactive stakeholder engagement across the Matanuska-Susitna Borough and neighboring Native communities. According to U.S. GoldMining, its permitting pathway emphasizes workforce safety, early and transparent consultation, local hiring, and environmental stewardship to support potential future development decisions.

What is the exploration strategy for district-scale growth at U.S. GoldMining’s Whistler Project (USGO)?

The company is testing high-priority porphyry targets in the Whistler-Raintree area while advancing regional work at Snow Ridge, Long Lake Hills, Muddy Creek and Island Mountain. According to U.S. GoldMining, this aims to build a pipeline of potential discoveries for long-term resource expansion.