Sunrise Resources Acquires Promising Copper-Silver-Gold Project in Nevada's Humboldt Range

Strategic Expansion into Copper Exploration in Nevada

Sunrise Resources plc has expanded its exploration portfolio by acquiring the Lake Copper-Silver-Gold Project, marking its first copper-focused initiative. This move aligns with the company's strategic pivot towards precious and base metals, broadening its historical focus. Situated within the Humboldt Range, the project places Sunrise alongside established mining operations in one of North America's most prolific mineral districts, known for multiple large-scale gold and silver deposits both historically and currently.

Patrick Cheetham, Executive Chairman of Sunrise Resources, emphasized copper's critical role in the energy transition and highlighted its significant price appreciation in recent years. The company’s focus on Nevada leverages the state's reputation for hosting numerous commercially operating copper mining and development projects. This strategic choice underscores management’s confidence in advancing the project within the company’s refined portfolio.

Historical Exploration Achievements and Documented Mineralisation

The Lake Project builds upon exploration groundwork laid by Utah International, a BHP subsidiary, in the mid-1980s. Initially targeting Carlin-type gold deposits characteristic of Nevada, Utah International's drilling intersected significant copper and silver mineralisation within skarn-hosted environments, shaping Sunrise's current exploration focus.

Notably, drill hole MH-4 yielded 50 metres from surface grading 0.73% copper, 31 grams per tonne silver (approximately one troy ounce per short ton), and 0.2 grams per tonne gold in skarn mineralisation. A subsequent drill hole, MH-18, intersected elevated silver values with skarn mineralisation extending to the hole’s bottom. These findings confirm economically significant grades at surface, eliminating the need for deep mining to access primary mineralisation.

Recent Surface Sampling Confirms Mineralisation Continuity

During due diligence, Sunrise's consulting geologist Ivan Johnson verified that mineralisation intersected historically remains visible and accessible at surface within a small prospecting shaft. Observations included sub-vertical massive silica ribs within calc-arenites adjacent to quartz-garnet skarn showing visible copper staining and pyrite comprising up to 20% of the rock.

A surface sample from the shaft wall assayed 198 grams per tonne silver, 0.13% copper, and 0.3 grams per tonne gold, confirming continuity between historical drill zones and surface mineralisation. The presence of sulphide-rich mineralisation at surface enhances exploration efficiency, as such deposits respond well to geophysical targeting methods guiding future drilling.

Geological Context and Intrusion-Related Copper Model

The Lake Project lies within the geologically complex southwestern Humboldt Range, characterized by multiple faulting events and mineralising phases. The area features Tertiary volcanic rocks overlying Jurassic gabbro of the Humboldt Lopolith, separated by the Wildhorse Thrust from brecciated Jurassic carbonates and basinal sequences.

Sunrise's claim block is positioned within a horst bounded by northeast-trending faults. East-northeast trending high-angle structures form a corridor several hundred metres wide where carbonate and volcanic rocks have undergone hydrothermal silicification and decarbonation. Rock chip samples from this zone show gold anomalies from 0.1 to 0.55 grams per tonne, antimony ranging 32 to 4,300 ppm, and arsenic between 25 and 750 ppm. The company primarily targets intrusion-related copper-precious metal deposits, while deeper Carlin-type gold and epithermal gold-silver systems remain valid exploration prospects supported by regional geology.

Geochemical Anomalies Indicate Potential Larger Deposits

The project features extensive geochemical anomalies that may guide discovery of larger mineralised bodies. A 450-metre arsenic and antimony anomaly aligns with mineralised zones where historic drilling and recent sampling occurred. This lies within a broader 1.5-kilometre gold-in-rock anomaly across the claim block. Such arsenic, antimony, and precious metal halos are recognized indicators of significant mineralising systems.

The geochemical pattern suggests that combined surface sampling and geophysical surveys can effectively delineate drill targets. The sulphide-rich copper-silver skarn mineralisation from surface enhances prospects for successful geophysical detection prior to drilling, enabling targeted exploration and capital-efficient advancement.

Flexible Lease and Option Agreement Terms

Sunrise Resources secured access through a lease and purchase option agreement with landowner Rolf Thiele, covering the key mining claim of Utah’s phase two drilling and adjacent claims. The agreement minimizes upfront costs while providing operational flexibility. The initial signing fee is US$100, reflecting minimal historical expenditure by the lessor.

Annual lease payments start at US$5,000 after Year 1, increasing by US$2,500 annually up to US$20,000 by Year 7 and continuing thereafter. Payments can be offset against future royalty obligations, reducing net cash outflows as exploration progresses. The 21-year tenure includes an initial seven-year term plus two seven-year extension options exercisable at Sunrise’s discretion. A 2% net smelter return royalty applies but may be bought out for US$500,000 anytime during the lease.

Acquisition and Operational Flexibility Within Agreement

The lease grants Sunrise the option to purchase the mining claim at any time during the lease or extensions for US$150,000. Alternatively, the company may commence mining operations under the lease without claim purchase, enabling value realization without outright acquisition. Sunrise may also withdraw from the agreement at any time, allowing exit if exploration results are unsatisfactory or strategic priorities change.

Importantly, there are no mandatory fixed exploration expenditure commitments, allowing the company to advance exploration based on results and funding availability. This contrasts with typical mining agreements imposing minimum annual spending, reflecting both lessor confidence in the asset and Sunrise’s capacity to unlock value through systematic technical work.

Planned Exploration Activities and Programme Focus

Executive Chairman Patrick Cheetham outlined immediate priorities including geophysical surveys and follow-up drilling. These next steps are described as "already defined," indicating detailed planning beyond the announcement stage. Geophysical methods sensitive to sulphide mineralisation, such as induced polarisation and magnetometry, will complement geochemical and geological data to identify drill targets, especially in areas with limited prior access.

Follow-up drilling aims to test extensions of historic intercepts and validate spatial correlations between surface samples and deeper mineralisation. Integrated analysis will guide target selection to maximize the chance of intersecting economically significant mineralisation. Mr. Cheetham noted that projects of this calibre are "hard to come by," highlighting management’s view that the combination of historical success, accessible surface mineralisation, and structural setting offers a unique exploration opportunity.

Strategic Positioning Amid Copper Market Trends

Sunrise Resources’ acquisition aligns with global macroeconomic trends driving copper demand, especially for energy transition technologies. Copper’s price has risen sharply due to structural supply-demand imbalances and growing investment demand linked to renewables, electric vehicles, and grid upgrades.

Nevada’s established copper mining infrastructure, technical expertise, and regulatory environment provide Sunrise with advantageous proximity to proven operations. The Humboldt Range’s geological setting has attracted sustained multinational investment, partially de-risking exploration through the presence of multiple economic deposits. The Lake Project positions Sunrise within this prolific copper belt, enhancing prospects for successful development.

Qualified Person Review and Technical Oversight

Technical information in this update has been compiled and reviewed by Patrick Cheetham, Executive Chairman of Sunrise Resources, who is a Member of the Institute of Materials, Minerals and Mining (MIMMM) and the Australasian Institute of Mining and Metallurgy (MAusIMM). These qualifications meet the AIM Note for Mining and Oil and Gas Companies requirements for a qualified person. Mr. Cheetham’s review provides professional validation of the exploration data and mineral resource implications disclosed.

Reliance on a single qualified person for technical review is common in junior exploration companies where executives combine operational and technical expertise. Investors can reference Mr. Cheetham’s credentials as assurance of the technical accuracy and reasonableness of the presented exploration information.