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LONDON BTC COMPANY LIMITED
Bonanza-grade 53 grams per tonne gold and 88 grams silver in Nevada
Staking of the Amonett-Frank Gold-Silver Project, Nevada
Second US gold project staked; further Nevada and Arizona staking underway
London, New York, 11 June 2026 - London BTC Company Limited ("Company") (BTC: LSE, VINZF: OTCQB), the London Stock Exchange main market-listed Bitcoin mining and treasury company with bitcoin mining operations across North America, is pleased to announce that the Company has staked 18 mineral claims at the Amonett-Frank Gold-Silver Project (the "Project") in Pershing County, Nevada, USA, by its wholly-owned US subsidiary Tethered Gold LLC as part of its US-focused gold hedge strategy. The Project complements the Company's recently announced Huntington-Whitman Project and marks the second project under the Company's US gold strategy.
"These are exceptional gold and silver grades, and we are pleased to add this second gold project to our portfolio so quickly following the staking of the Huntington-Whitman project," said David Lenigas, the Company's Chairman. "These rock chip results from our initial due diligence offer encouraging early indicators and I look forward to advancing both projects in the coming weeks as we continue to build out our US gold hedge strategy."
Key Points
· Second US gold project for the Company, located in the historic Goldbanks Mining District, Pershing County, Nevada. Approximately 31 miles (50 km) south of Winnemucca, and 50 miles (80 km) south of BTC's Huntington-Whitman project, expanding the Company's regional portfolio.
· Results from initial due diligence rock chip samples collected by Schiehallion Consulting in 2026 returned high-grade gold-silver results over some of the historical workings, including:
o BTCRK26, 52.66 g/t Au, 88.3 g/t Ag
o BTCRK18, 15.73 g/t Au, 49.3 g/t Ag
o BTCRK19, 1.74 g/t Au, 11.2 g/t Ag
o BTCRK34, 0.69 g/t Au, 23.2 g/t Ag
· Additional assays are pending with further results expected shortly.
· The project includes 18 mineral claims covering 371.88 acres (1.5km2) in the historically productive Pershing County gold district of Nevada.
· Nevada was ranked the #1 mining jurisdiction in the world in the Fraser Institute's 2025 Annual Survey of Mining Companies.
· The project sits 2.6 miles (4.2 km) from the Goldbanks gold resource, with an endowment of 2.56 Moz Au and 7.47 Moz Ag (Stone, 2010) (Kinross U.S., NYSE: KGC). Amonett-Frank shares the broader region with the Barrick-Newmont Nevada Gold Mines Joint Venture (NGM), which owns and operates six significant Au mines within the region.
· Amonett-Frank is recorded by the USGS as a past gold-silver producer (discovered 1933, initial production 1935). A review of government databases, technical literature and historical company reports identified no public record of exploration past 1935.
· Gold-silver mineralisation is hosted by hot-spring epithermal veins and breccias within the Havallah formation. Mineralisation comprises epithermal quartz veins targeted over several hundred metres.
· Historical workings include 2 shafts, 2 tunnels and 7 exploration prospect pits, all workings following a consistent North-South trend. The historical workings and possible extensions of mineralisation provide immediate follow-up targets.
· Key next steps across the Amonett-Frank project include:
1. Modern surface sampling across all historical workings in the project area.
2. Geological mapping to investigate the possible extension of structurally controlled epithermal mineralisation.
3. Progressing permitting work to advance towards active drilling.
· Further project staking in Nevada and Arizona is actively progressing through the Company's technical adviser, Schiehallion Consulting.
CEO Commentary
Hewie Rattray, CEO of the Company, stated:
"Amonett-Frank is a fantastic example of the type of opportunity we are seeking to identify under our US gold hedging strategy. The project combines exceptional high surface grades, historical production, a lack of meaningful modern exploration and a location within one of the world's premier mining jurisdictions. What excites us is not simply the grade, but the opportunity. We are identifying overlooked projects in Nevada and Arizona, securing them at low cost through staking, and assembling a portfolio near some of North America's largest gold operations.
The pace at which we are building this portfolio continues to exceed our expectations. Securing two complementary Nevada projects so quickly demonstrates the discipline and execution behind our strategy, and we believe we remain in the very early stages of that process with much more in the pipeline. With additional assays pending and further staking activity underway, our objective remains straightforward: to build a portfolio of high-quality gold assets that complements our core Bitcoin treasury and mining operations, with the aim of providing shareholders with exposure to two scarce and globally recognised stores of value."
Project Location
Figure 1: Amonett-Frank and Huntington-Whitman Project location, Nevada
The Amonett-Frank Project is in the Goldbanks Mining District of Pershing County, Nevada (Figure 1), the largest gold-producing state in the United States. Located approximately 31 miles (50km) south of Winnemucca within the Great Basin region, the project lies within a rapidly emerging gold province characterised by comparable mineral systems (epithermal-hot-springs Au/Ag)(Coolbaugh, 2011). The Project is proximal to Kinross U.S.'s Goldbanks project (Kinross U.S., NYSE: KGC), SSR Mining's long-running Marigold open-pit heap-leach mine and Nevada Gold Mines' Phoenix operation. The Project complements the Company's Huntington-Whitman Project to the north and extends the Company's Nevada footprint into a second productive district.
Goldbanks Au Project, a significant epithermal deposit in the immediate area, holds an endowment of 2.56 Moz Au and 7.47 Moz Ag with current Proven and Probable Mineral Reserves consisting of a total of 166 Mt @ 0.48 g/t Au (Stone, 2010), Kinross U.S., NYSE: KGC.
Marigold Gold Mine, continuous production since 1989, Marigold is a large run-of-mine heap leach operation. Probable Mineral Reserves consist of 2.98 Moz Au, with 174.8 Mt @ 0.47 g/t Au; an additional 0.346 Moz Au exists in leach pad inventory (SSR Mining, 2025). SSR also maintain active exploration in the region. SSR Mining, NASDAQ: SSRM.
Phoenix Gold Mine, one of six mines included in the major Nevada Gold Mines (NGM) Barrick / Newmont joint venture. Proven and Probable Mineral Reserves consist of 2 Moz Au with 110 Mt @ 0.58 g/t Au, and 0.23 Mt Cu with 130 Mt @ 0.18% Cu (Barrick, 2025).
The Amonett-Frank Project
Conducted as part of the Company's wider portfolio expansion strategy, the Company's geological consultant, Schiehallion Consulting, completed due diligence over the Amonett-Frank Project in May 2026. A total of 20 rock chip samples were collected by a qualified geologist and submitted for photon assay analysis at MSALABS.
Sample highlights are provided below:
BTCRK26, 52.66 g/t Au, 88.3 g/t AgBTCRK18, 15.73 g/t Au, 49.3 g/t AgBTCRK19, 1.74 g/t Au, 11.2 g/t AgBTCRK34, 0.69 g/t Au, 23.2 g/t Ag
MSALABS dried, crushed and pulverised the samples, which were then separated into 500g jars. Utilising Chrysos Corporation's PhotonAssay™ method, results were obtained within days of submission. PhotonAssay™ holds a lower detection limit of 0.015 PPM. Samples were routinely submitted for Fire Assay as part of follow-up QA/QC to confirm the validity of high-grade results.
The Project is comprised of 18 unpatented mineral claims over 371.88 acres (1.5km2) (Figure 2). The staked ground follows the approximate strike of structurally controlled high-grade gold-silver mineralisation within the project. The strike is marked by 2 shafts, 2 adits (tunnels) and 7 prospect pits from historical workings. The current blocks allow for 1.6 km of untested strike potential. Immediate follow-up will focus on the historical workings and extending the strike potential through geological mapping and surface programmes. Mineral claims have been staked by Convergent Mining and lodged with the Bureau of Land Management, allowing for a low-cost high-quality project in a tier-1 jurisdiction.
Figure 2: Amonett-Frank Project Plan, Pershing County, Nevada
Block | Type | Acres | Claims | Historical Workings |
Amonett-Frank | Prospect | 371.88 | 18 | 2 shafts, 2 adits, 7 prospect pits |
Table 1: Summary of Amonett-Frank claim information and historical workings
The Project covers a strike of historical high-grade gold-silver workings developed on a set of epithermal hot-spring Au/Ag quartz veins and breccias. Each vein is up to 4 feet (1.2 m) wide and has been traced over several hundred metres (Johnson, 1977). The country rock is the Late Permian Golconda Terrane, comprising carbonates, basinal sediments, volcanics, and terrigenous clastic rocks. The USGS historically classified the occurrence as a hot-spring Au-Ag system (USGS deposit model 25a), an interpretation supported by recent due diligence observations by a qualified geologist. The Company considers this mineral system a compelling exploration target, as it is associated with significant precious-metal deposits across the Great Basin (Coolbaugh, 2011).
The deposit was discovered in 1933, with the first recorded production in 1935, when an unknown volume of gold-silver ore was shipped from the property (Vanderburg, 1936). Documented workings comprise two shafts to approximately 80 feet (24 m) depth, short tunnels (adits) and lateral workings developed across the epithermal veins.
The Company's field review identified the structural trend described in the literature and confirmed the locations of historically recorded shafts, adits, and prospect pits, all of which are consistent with the historically reported mining activity (Vanderburg, 1936). The absence of any on-site processing facility, combined with historical accounts of ore being trucked from the property, is interpreted to suggest selective sampling of gold-silver ore that would meet the economic standards of the 1930s.
This selective sampling, high historical cut-off grade, and very limited shallow exploration have left significant exploration gaps. Early results provide evidence of high-grade mineralisation at surface across several historical workings; further workings have yet to be sampled, and the full strike of mineralisation is not yet understood. Investigating the full extent of the mineralised corridor at Amonett-Frank positions the Company to deliver early drill-ready targets and to define this potentially economic system.
Figure 3: Amonett-Frank Project, location of sample BTCRK26 (52.66 g/t Au, 88.3 g/t Ag), marked bya ferric-manganiferous quartz breccia zone and two historical mine shafts from the Central Prospect
Regional Endowment - Northern Nevada
The Project sits within a global tier 1 gold producing region. Nevada accounts for the majority of United States gold output and consistently ranks among the top five gold producing jurisdictions globally. The district hosts a dense cluster of major, mid-tier and junior gold producers operating within trucking distance of Amonett-Frank. This provides a strong foundation of mining services, contractors, drilling providers, laboratories and toll infrastructure.
Nevada Gold Mines (NGM), the Barrick (61.5%) / Newmont (38.5%) joint venture (NYSE: B; NYSE: NEM), is the dominant operator in the immediate region. NGM's Turquoise Ridge Complex, comprising the Turquoise Ridge Underground, Vista Underground and the combined Twin Creeks open-pit and underground operations, lies approximately 35 miles (56 km) east of Huntington-Whitman. NGM also operates the Phoenix, Cortez, Gold Quarry and Gold Strike assets within the broader region to the east and south-east of the Project. NGM produced 3.4 Moz of Au across the portfolio in 2025.
Kinross Gold Corporation (NYSE: KGC) maintains a long-standing presence in Nevada. Kinross U.S. holds the Goldbanks Project, 2.6 miles from the Amonett-Frank project and 31 miles (50 km) south of Winnemucca. Kinross also operates the Round Mountain Mine (Nye County). The mine represents a long-life, large-tonnage open-pit and heap-leach operation, and the Bald Mountain Mine (White Pine County), the mine represents a major disseminated gold system along the southern Carlin trend and holds approximately 3.6 Moz Au of measured and indicated resources (2021). Kinross's continued investment in its Nevada portfolio highlights the long-term attractiveness of the State to major gold producers.
Other proximal operators include Hecla Mining Company (NYSE: HL), operator of the high-grade epithermal Midas Mine to the east; i-80 Gold Corp (NYSE: IAUX), operator of the Granite Creek, Lone Tree, McCoy-Cove and Ruby Hill gold projects across northern Nevada; SSR Mining (NASDAQ: SSRM), operator of the long-running Marigold open-pit heap-leach mine in Humboldt County; and Coeur Mining (NYSE: CDE), operator of the Rochester silver-gold mine in Pershing County immediately south of Humboldt. Proximal to the Huntington-Whitman project are Paramount Gold Nevada (NYSE: PZG) and Borealis Mining (TSXV: BOGO) as the holders of the Sleeper and Sandman deposits, respectively. This list of operators forms a highly concentrated cluster of active gold mining and development activity.
Forward Work Programme
• Comprehensive rock-chip sampling of all identified historical workings within the Amonett-Frank Project.
• Geological mapping and further surface sampling to investigate the possible extension of structurally controlled epithermal mineralisation.
• Compilation of geoscientific data to assist in the understanding of the local geology and structural setting to provide drill-ready targets.
• Progression of further gold project staking in Nevada and Arizona, in line with the Company's previously announced phased strategy.
Further Staking and Portfolio Expansion
Amonett-Frank is the second project secured under the Company's US gold strategy, following the Huntington-Whitman Project. Schiehallion Consulting continues to actively advance the identification, evaluation and staking of additional prospective gold projects across Nevada and Arizona, with the intention of building a portfolio of high-quality, complementary assets.
The Company will provide further updates as additional projects are secured.
Cautionary Statement
This announcement contains references to historical production sourced from third-party reports, public databases, technical literature and government reports. These historical results have not been verified by the Company, are not reported in compliance with any current Mineral Resource or Ore Reserve code and should not be relied upon as indicative of the prospectivity of the Project or any future resource, reserve or production from the Project.
All of the samples discussed in this release are selective in nature with a high potential for bias and should not be considered as being representative of the overall mineralised structure or zone.
Competent Persons Statement
The information in this report that relates to exploration results and technical information is based on information compiled by Fionnlagh (Finn) Hunter, Principal Geological Consultant, who is a Member of the Australasian Institute of Mining and Metallurgy (AusIMM) and has sufficient experience of relevance to the styles of mineralisation and the types of deposits under consideration, and to the activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr Hunter consents to the inclusion in this report of the matters based on the information in the form and context in which it appears.
The directors of London BTC Company Limited accept responsibility for this announcement.
For further information please contact:
London BTC Company Limited | Hewie Rattray, CEO hewie@ldnbtc.com David Lenigas, david@ldnbtc.com Rob Scott, Finance Director, rob@ldnbtc.com Jeremy Edelman, jeremy@ldnbtc.com |
First Sentinel (Corporate Adviser) | Brian Stockbridge brian@first-sentinel.com T: +44 (0) 20 3855 5551 |
Clear Capital Markets (Broker) | Bob Roberts bobroberts@clear-cm.co.uk T: +44 (0) 20 3869 6080 |
Marex Financial (Joint Broker and Advisor) | Angelo Sofocleous / Matt Bailey (Broking) Email: corporate@marex.com T: +44 (0) 207 655 6000 |
About London BTC Company Limited
The Company's primary listing is on the London Stock Exchange (United Kingdom) under the ticker "BTC.L" and it trades in the USA on the OTCQB under the ticker "VINZF". The Company is building up a strategic Bitcoin holding through acquiring Bitcoin as a treasury and currency management tool and through adding Bitcoin generated from its mining operations in North America. The Company currently operates Bitcoin miners hosted across multiple third-party facilities in Indiana, Iowa, Nebraska and Texas (USA) and Labrador (Canada). As part of its hedging strategy, the Company has begun building a portfolio of gold assets to complement its core Bitcoin treasury and mining operations, thereby providing shareholders with exposure to two scarce and globally recognised stores of value.
References
Barrick Gold Corporation, 2025, Mineral reserves and resources: Barrick Gold Corporation, accessed June 9, 2026, at https://www.barrick.com/English/operations/mineral-reserves-and-resources/default.aspx.Barrick Gold Corporation, 2025, Full year and fourth quarter 2025 results: Barrick Mining Corporation, news release, February 5, 2026.Coolbaugh, M.F., Vikre, P., and Faulds, J., 2011, Young (<7 Ma) gold deposits and active geothermal systems of the Great Basin-Enigmas, questions, and exploration potential, in Great Basin Evolution and Metallogeny: Geological Society of Nevada Symposium 2010, Reno, NV, May 14-22, 2010, p. 845-859.Johnson, M.G., 1977, Geology and mineral deposits of Pershing County, Nevada: Nevada Bureau of Mines and Geology Bulletin 89, 121 p.Kinross Gold Corporation, 2021, 2021 annual mineral reserve and resource statement: Kinross Gold Corporation, Toronto, Ontario.SLR International Corporation, 2024, Technical report summary on the Marigold Complex, Nevada, USA (S-K 1300 report): report prepared for SSR Mining Inc., SLR Project No. 138.21581.00002, effective date September 30, 2023, 268 p.Stone, B., 2000, The Goldbanks deposit-a recent discovery of disseminated gold in Tertiary volcaniclastics, Pershing County, Nevada: Kinross Gold USA Inc., Pershing County, Nevada.Vanderburg, W.O., 1936, Reconnaissance of mining districts in Pershing County, Nevada: U.S. Bureau of Mines Information Circular 6902
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