Nevgold Corp. (‘ NevGold ‘ or the ‘ Company ‘) ( TSXV:NAU,OTC:NAUFF) (OTCQX:NAUFF) (Frankfurt:5E50 ) is pleased to announce the discovery of high-grade oxide antimony in the new antimony-gold ‘Bullet Zone’ from surface at its Limousine Butte Project (the ‘Project’, ‘Limo Butte’) in Nevada. The Bullet Zone was discovered with a plus 150 meter step-out drillhole from 2025 drilling that was testing NevGold’s new geology model at the Project. The Bullet Zone discovery significantly expands the gold-antimony mineralization footprint at the Resurrection Ridge target area, which NevGold is advancing to an initial gold-antimony Mineral Resource Estimate (‘MRE’).

Key Highlights

• Discovery of the Bullet Zone with new 2025 step-out drilling intercepts the highest-grade antimony (‘Antimony’, ‘Sb’) interval drilled to date at the Project, with grades up to 8.9% Sb :
  • LB25-002 Upper Zone (from surface): 14.90 g/t AuEq* over 4.6 meters (3.76% Sb and 0.29 g/t Au) , within 2.42 g/t AuEq* over 53.3 meters (0.57% Sb and 0.22 g/t Au)
  • LB25-002 Lower Zone: 0.82 g/t AuEq* over 32.0 meters (0.68 g/t Au and 0.04% Sb) , within 0.58 g/t AuEq* over 57.9 meters (0.45 g/t Au and 0.03% Sb)
  • *Gold equivalents (‘AuEq’) are based on assumed metals prices of US$3,000/oz of gold and US$40,000 per tonne of antimony (~30% discount to current spot prices), and assumed metals recoveries of 80% for gold and 75% for antimony.
• Over 150 meter step-out and discovery of the Bullet Zone significantly expands the mineralization footprint at Resurrection Ridge; the Company intends to advance both Resurrection Ridge and Cadillac Valley to an initial gold-antimony Mineral Resource Estimate (‘MRE’)
  • 11 drillholes have been completed in the current 2025 drill campaign with assays pending
• Positive samples at surface up to 6.8% antimony and 0.25 g/t Au found in road cuts during construction of the new 2025 drill pads (see Figure 1); the new drill pads are focused on expansion areas and show the extensive mineralization potential at the Project

• Phase II metallurgical testwork on gold and antimony continues to advance with results expected over the coming weeks

Limo Butte Planned 2025 Activities / Status Update
NevGold will continue its active exploration program at Limo Butte including:

• Evaluating the historical geological database with focus on gold and antimony (completed) ;

• Analyzing historical drilling with focus on gold and antimony (continuous activity) ;

• Advancing metallurgical testwork (in progress, Phase II results in coming weeks) ;

• Continuing to drill test gold-antimony targets (ongoing, 11 drillholes completed to date) ;

• Completing initial gold-antimony Mineral Resource Estimate (MRE) (in progress) .

NevGold CEO, Brandon Bonifacio, comments: ‘We are extremely excited about the discovery of the high-grade antimony intercept in the new oxide gold-antimony Bullet Zone from surface . The geological concept of drilling below the older, thrusted dolomite unit was a target that our team developed over the past couple of years working at Limo Butte. The fact that we intercepted some of the highest grade mineralization that we have drilled to date at Limo Butte on the 1 ^st hole testing this target concept is exceptional and a testament to our technical team. The discovery of the Bullet Zone also significantly expands the mineralization footprint at Resurrection Ridge, and opens large areas of the Project overlain by dolomite, with no historical drilling .’

Bonifacio continues: ‘We are also well-positioned with Limo Butte to support the United States critical minerals strategy as the Project has both gold and antimony, and both commodities have reached all-time high prices this year. There is a clear commitment from government officials to advance high-quality, domestic, mineral projects and Limo Butte is well-advanced with its significant near-surface, oxide gold-antimony mineralization and large geological database . We are also progressing another key milestone, which is the Phase II metallurgical testwork on the gold-antimony metallurgical flowsheet building on our positive results from Phase I. All of these various work programs will help us rapidly demonstrate the gold-antimony potential at Limo Butte as we progress the asset to the next stages of project development with the objective of playing a key part in the mandate to create a vertically integrated, U.S. antimony supply chain .’

Figure 1 – Resurrection Ridge target area with the new Bullet Zone discovery from LB25-002. Figure also includes the 2025 drillpads and identified expansion areas with the thrust faulted Upper Plate Dolomite. Red outline is current mineralization footprint at Resurrection Ridge, with +150 meter step-out to the east with Hole 25-002 and discovery of the Bullet Zone. To view image please click here

Figure 2 – Cross section with results from LB25-002 and new Bullet Zone discovery. Thin colored discs show Antimony (Sb ppm) in drilling, and wide colored discs show Gold (Au ppm) in drilling. To view image please click here

Figure 3 – Large cross section at the Project outlining the strong expansion potential between Resurrection Ridge and Crashed Airplane Valley, which spans +2.5 kilometers. To view image please click here

Figure 4 – Sample from road cut building new 2025 drill pads which assayed 6.8% antimony and 0.25 g/t Au in newly identified expansion part of the Project around the Bullet Zone discovery. Elongated white crystals are stibiconite (Sb ₃ O ₆ (OH)). To view image please click here

Figure 5 – Sample area from drill pad from drillhole LB25-002, which discovered the high-grade Bullet Zone, showing strong stibiconite and stibnite mineralization. To view image please click here

2025 Drill Results

*Downhole thickness reported; true width varies depending on drill hole dip and is approximately 70% to 90% of downhole thickness.
**The gold equivalents (‘AuEq’) are based on assumed metals prices of US$3,000/oz of gold and US$40,000 per tonne of antimony (~30% discount to current spot prices), and assumed metals recoveries of 80% for gold and 75% for antimony.

Limo Butte – Updated Geological Model Summary
The Devonian Pilot Shale (‘Pilot Shale’, ‘Pilot’) is the principal local host to Carlin-type mineralization at Limousine Butte. At Limousine Butte, positive gold grades commonly coincide with silicification and jasperoid breccias within the Pilot Shale, an alteration style also observed where elevated antimony is reported.

NevGold’s 2021–2025 work included integrating historical drilling, new mapping, and surface sampling which produced an updated district model and refined property-wide controls on mineralization. At Resurrection Ridge , Devonian–Silurian dolomite is exposed immediately east of known gold-antimony mineralization. Earlier explorers inferred that the overlying Pilot Shale had been eroded in this area, and they did not test eastward, despite shallow high-grade intercepts in the easternmost holes drilled at Resurrection Ridge. The new model indicates the older dolomite was thrust over the prospective Pilot Shale unit, creating structural preparation and a fluid trap that preserves the favorable host at depth, the classic architecture for a Carlin-type system.

Hole LB25-002 , the first test of this new NevGold geological model, collared in dolomite, passed through the upper thrust plate, and intersected gold and antimony at multiple horizons within the Pilot Shale. This drillhole result validates the model and materially expands the potential mineralization footprint: the preserved Pilot Shale extends more than one kilometer east of prior drilling at Resurrection Ridge.

Figure 6 – Comparison of historical geological model (left) and new NevGold geological model (right) outlining the thesis that the older dolomite unit was thrust over the prospective Pilot Shale unit. The preserved Pilot Shale unit extends more than 1 kilometer east of prior drilling at Resurrection Ridge. To view image please click here

Property-wide, the updated model outlines multiple Au–Sb target corridors that track outcrops and projected subsurface positions of the Pilot Shale, where repeated faulting and thrusting provided fluid pathways and focused mineralization. NevGold’s 2025 drill program continues to test these high-priority targets.

Historical records within the project boundary document two small-scale antimony prospects—the Nevada Antimony Mine and the Lage Antimony Prospect (Figure 1). The Nevada Antimony Mine extracted stibnite (Sb₂S₃) from a hydrothermal breccia via shallow pits; the Lage prospect similarly reports limited antimony production. Complementing these records, rock-chip sampling from the Golden Butte pit (Brigham Young University thesis) returned numerous assays exceeding 1% Sb in jasperoid breccias, with several over 5% Sb , including a sample grading 9.6% Sb with visible stibnite and stibiconite ( BYU Thesis Report ).

Together, these datasets support a district-scale interpretation in which thrust repetition preserves the Pilot Shale at depth east of Resurrection Ridge and focuses Au–Sb mineralization along structurally prepared horizons, establishing multiple high-priority targets for step-out drilling and follow-up work.

Figure 7 – Limousine Butte Project with historical antimony in rock chips and soils. The total strike length between Resurrection Ridge and Cadillac Valley is +5km. To view image please click here

Drillhole Orientation Details

US Executive Order – Announced March 20, 2025
The Company is pleased to report the sweeping Executive Order to strengthen American mineral production and reduce U.S. reliance on foreign nations for its mineral supply . Antimony (Sb) has been identified as an important ‘Critical Mineral’ in the United States essential for national security, clean energy, and technology applications, yet no domestically mined supply currently exists.

The Executive Order invokes the use of the Defense Production Act as part of a broad United States (‘US’) Government effort to expand domestic minerals production on national security grounds. As it relates to project permitting, the Order states that it will ‘identify priority projects that can be immediately approved or for which permits can be immediately issued, and take all necessary or appropriate actions…to expedite and issue the relevant permits or approvals.’ Furthermore, the Order includes provisions to accelerate access to private and public capital for domestic projects, including the creation of a ‘dedicated mineral and mineral production fund for domestic investments’ under the Development Finance Corporation (‘DFC’).

This decisive action by the US Government highlights the urgent need to expand domestic minerals output to support supply chain security in the United States. This important Order will help revitalize domestic mineral production by improving the permitting process and providing financial support to qualifying domestic projects.

Importance of Antimony
Antimony is considered a ‘Critical Mineral’ by the United States based on the U.S. Geological Survey’s 2022 list (U.S.G.S. (2022)). ‘Critical Minerals’ are metals and non-metals essential to the economy and national security. Antimony is utilized in all manners of military applications, including the manufacturing of armor piercing bullets, night vision goggles, infrared sensors, precision optics, laser sighting, explosive formulations, hardened lead for bullets and shrapnel, ammunition primers, tracer ammunition, nuclear weapons and production, tritium production, flares, military clothing, and communication equipment. Other uses include technology (semi-conductors, circuit boards, electric switches, fluorescent lighting, high quality clear glass and lithium-ion batteries) and clean-energy storage.

Globally, approximately 90% of the world’s current antimony supply is produced by China, Russia, and Tajikistan. Beginning on September 15, 2024, China, which is responsible for nearly half of all global mined antimony output and dominates global refinement and processing, announced that it will restrict antimony exports. In December-2024, China explicitly restricted antimony exports to the United States citing its dual military and civilian uses, which further exacerbated global supply chain concerns. (Lv, A. and Munroe, T. (2024)) The U.S. Department of Defense (‘DOD’) has designated antimony as a ‘Critical Mineral’ due to its importance in national security, and governments are now prioritizing domestic production to mitigate supply chain disruptions. Projects exploring antimony sources in North America play a key role in addressing these challenges.

Perpetua Resources Corp. (‘Perpetua’) has the most advanced domestic gold-antimony project in the United States. Perpetua’s project, known as Stibnite, is located in Idaho approximately 130 km northeast of NevGold’s Nutmeg Mountain and Zeus projects. Positive advancements at Stibnite including the technical development and permitting has led to US$75 million in Department of Defense (‘DOD’) awards, and over $1.8 billion in indicative financing from the Export Import Bank of the United States (‘US EXIM’) ( see Perpetua Resources News Release from April 8, 2024 ) (Perpetua Resources. (2025))

Figure 8 – Limousine Butte Land Holdings and District Exploration Activity To view image please click here

ON BEHALF OF THE BOARD

‘Signed’

Brandon Bonifacio, President & CEO

For further information, please contact Brandon Bonifacio at bbonifacio@nev-gold.com, call 604-337-4997, or visit our website at www.nev-gold.com .

Sampling Methodology, Quality Control and Quality Assurance
NevGold QA/QC protocols are followed on the Project and include insertion of duplicate, blank and standard samples in all drill holes. A 30g gold fire assay and multi-elemental analysis ICP-OES method was completed by ISO 17025 certified American Assay Labs, Reno.

The historic data collection chain of custody procedures and analytical results by previous operators appear adequate and were completed to industry standard practices. For the Newmont and US Gold data a 30g gold fire assay and multi-elemental analysis ICP-OES method MS-41 was completed by ISO 17025 certified ALS Chemex, Reno or Elko Nevada.

Geochemical ICP (5g) analysis for the Wilson, Christianson and Tingey report was completed by Geochemical Services Inc. and the XRF analyses (glass disk or pellets) by Brigham Young University.

Technical information contained in this news release has been reviewed and approved by Greg French, CPG, the Company’s Vice President, Exploration, who is NevGold’s Qualified Person (‘QP’) under National Instrument 43-101 and responsible for technical matters of this release.

About the Company
NevGold is an exploration and development company targeting large-scale mineral systems in the proven districts of Nevada and Idaho. NevGold owns a 100% interest in the Limousine Butte and Cedar Wash gold projects in Nevada, and the Nutmeg Mountain gold project and Zeus copper project in Idaho.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Note Regarding Forward Looking Statements

This news release contains forward-looking statements that are based on the Company’s current expectations and estimates. Forward-looking statements are frequently characterized by words such as ‘plan’, ‘expect’, ‘project’, ‘intend’, ‘believe’, ‘anticipate’, ‘estimate’, ‘suggest’, ‘indicate’ and other similar words or statements that certain events or conditions ‘may’ or ‘will’ occur. Forward-looking statements include, but are not limited to, the proposed work programs at Limousine Butte, the exploration potential at Limousine Butte, and future potential project milestones such as the potential Mineral Resource Estimate (‘MRE’). Such forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause actual events or results to differ materially from estimated or anticipated events or results implied or expressed in such forward-looking statements. Such risks include, but are not limited to, general economic, market and business conditions, and the ability to obtain all necessary regulatory approvals. There is some risk that the forward-looking statements will not prove to be accurate, that the management’s assumptions may not be correct or that actual results may differ materially from such forward-looking statements. Accordingly, readers should not place undue reliance on the forward-looking statements. Any forward-looking statement speaks only as of the date on which it is made and, except as may be required by applicable securities laws, the Company disclaims any intent or obligation to update any forward-looking statement, whether as a result of new information, future events or results or otherwise. Forward-looking statements are not guarantees of future performance and accordingly undue reliance should not be put on such statements due to the inherent uncertainty therein.

References

Blackmon, D. (2021) Antimony: The Most Important Mineral You Never Heard Of. Article Prepared by Forbes.

Kurtenbach, E. (2024) China Bans Exports to US of Gallium, Germanium, Antimony in response to Chip Sanctions . Article Prepared by AP News.

Lv, A. and Munroe, T. (2024) China Bans Export of Critical Minerals to US as Trade Tensions Escalate . Article Prepared by Reuters.

Lv, A. and Jackson, L. (2025) China’s Curbs on Exports of Strategic Minerals . Article Prepared by Reuters.

Perpetua Resources. (2025) Antimony Summary . Articles and Videos Prepared by Perpetua Resources.

Sangine, E. (2022) U.S. Geological Survey, Mineral Commodity Summaries, January 2023 . Antimony Summary Report prepared by U.S.G.S

U.S.G.S. (2022) U.S. Geological Survey Releases 2022 List of Critical Minerals . Reported Prepared by U.S.G.S

Wilson, D.,J., Christiansen, E., H., and Tingey, D., G., 1994, Geology and Geochemistry of the Golden Butte Mine- A Small Carlin- Type Gold Deposit in Eastern Nevada: Brigham Young University Geology Studies, v.40, P.185-211. BYU V.40 P.185-211.

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Stallion Uranium Corp. (the ‘ Company ‘ or ‘ Stallion ‘ ) (TSX-V: STUD ; OTCQB: STLNF ; FSE: FE0) pleased to announce that it will commence a high-resolution ground Time Domain Electromagnetic (TDEM) survey on November 1, 2025, on its Coyote Target, part of the Moonlite Project in the Athabasca Basin, Saskatchewan, Canada in partnership with Atha Energy Corp. (‘Atha Energy’) (TSX-V: SASK) .

This survey is designed to extend and refine the results of Stallion’s previous EM work, with the goal of precisely defining conductive structures commonly associated with uranium mineralization. The program will focus on the Coyote Corridor, home to Stallion’s top-priority drill targets identified through detailed analysis of historical datasets and newly acquired geophysical information. These targets were ranked using Stallion’s multi-parameter review, which applies an 11 step ranking criteria of components for discovery.

Matthew Schwab, CEO of Stallion Uranium, said, ‘Launching this ground EM survey at the Coyote Target is a critical step toward advancing our discovery efforts. By improving the resolution of our geophysical data, we expect not only to sharpen the definition of our highest-priority targets, but also to increase the number of drill-ready locations across the Coyote Corridor. Each additional high-confidence target strengthens our ability to deliver meaningful results in the upcoming drill campaign.’

Figure 1 : Coyote Target – 3D image of SWML Plates over 3D Gravity

Conductors interpreted from previous MobileMT Survey

The survey will be conducted by Abitibi Geophysics using the Stepwise Moving Loop (SWML) TDEM method, a proven technique for detecting conductive zones within basement rock. Data collected will be fully integrated with the airborne and ground surveys completed earlier in 2025, providing Stallion with an enhanced geophysical model to guide next-stage exploration.

Darren Slugoski, Vice President of Exploration, said, ‘This ground-based survey will significantly improve the resolution of our geophysical data, allowing us to more accurately model conductive features at depth. By integrating the results with our existing datasets, we will be able to fine-tune the positioning of drill collars and reduce the risk of missing mineralized structures. Increasing confidence in the geometry and location of these conductors is essential to maximizing the effectiveness of our upcoming drill program.’

Figure 2 : Coyote Target – SWML Plates over Gravity with planned EM survey locations

Survey results are expected in late November 2025 and will directly guide final drill targeting. Stallion is preparing to mobilize for a winter drill program in December 2025, where the refined targets from the Coyote Corridor will be tested for potential uranium mineralization.

About the Stepwise Moving Loop (SWML) TDEM Survey:

The SWML TDEM survey utilizes Abitibi’s cutting-edge ARMIT-TDEM system, featuring a three-component, combined B-field and ∂B/∂t sensor developed by Dr. James Macnae of the Royal Melbourne Institute of Technology (RMIT). The ARMIT sensor delivers an exceptional signal-to-noise ratio, comparable to a SQUID sensor for B-field measurements and an induction coil for B/t detection. It is designed for robust performance across extreme temperatures (-40°C to +50°C) without the need for hazardous cryogenic liquids.

ARMIT is the only sensor capable of simultaneously measuring both B-field and B/t, ensuring a broad detection range for conductive structures. The system is paired with the state-of-the-art SMARTem24 receiver and powered by Abitibi’s TerraScope 600V transmitter, delivering currents exceeding 25 A into the transmitter loop, maximizing the survey’s depth penetration and resolution.

Marketing Update:

In parallel with advancing exploration, Stallion Uranium has engaged specialized marketing firms to expand its market presence and broaden shareholder awareness. These initiatives include targeted digital campaigns, media and content development, and investor outreach programs across North America and Europe. The objective is to ensure Stallion’s technical milestones; including the commencement of the Coyote Target ground EM survey and the planned January 2026 drill program; are effectively communicated to both existing shareholders and new audiences.

The Company announces that it engaged Danayi Capital Corp. (‘Danayi’) to provide investor relations and marketing services to the Company for a term of two (2) months commencing on September 29, 2025, in consideration of an upfront payment of USD $100,000 pursuant to an agreement dated September 29, 2025. Danayi does not currently own any interest, directly or indirectly, in the Company or its securities. The agreement with Danayi remains subject to approval of the TSX Venture Exchange.

Upcoming Events:

Stallion Uranium will be attending the upcoming the Catch the Energy Conference taking place at Mount Royal University in Calgary, Alberta. Stallion CEO Matthew Schwab will be presenting on Saturday, October 18, 2025, at 2:15 pm Mountain Time . Further information and registration for Catch the Energy Conference can be found here .

Qualifying Statement:

The foregoing scientific and technical disclosures for Stallion Uranium have been reviewed and approved by Darren Slugoski, P.Geo., VP Exploration, a registered member of the Professional Engineers and Geoscientists of Saskatchewan. Mr. Slugoski is a Qualified Person as defined by National Instrument 43-101.

About Stallion Uranium Corp.:

Stallion Uranium is working to ‘Fuel the Future with Uranium’ through the exploration of roughly 1,700 sq/km in the Athabasca Basin, home to the largest high-grade uranium deposits in the world. The company, with JV partner Atha Energy holds the largest contiguous project in the Western Athabasca Basin adjacent to multiple high-grade discovery zones. With a commitment to responsible exploration and cutting-edge technology such as the use of the proprietary Haystack TI technology, Stallion is positioned to play a key role in the future of clean energy.

Our leadership and advisory teams are comprised of uranium and precious metals exploration experts with the capital markets experience and the technical talent for acquiring and exploring early-stage properties. For more information visit stallionuranium.com .

On Behalf of the Board of Stallion Uranium Corp.:

Matthew Schwab
CEO and Director

Corporate Office:
700 – 838 West Hastings Street,
Vancouver, British Columbia,
V6C 0A6

T: 604-551-2360
info@stallionuranium.com

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release contains forward-looking statements and forward-looking information within the meaning of Canadian securities legislation (collectively, ‘forward-looking statements’) that relate to the Company’s current expectations and views of future events. Any statements that express, or involve discussions as to, expectations, beliefs, plans, objectives, assumptions or future events or performance (often, but not always, through the use of words or phrases such as ‘will likely result’, ‘are expected to’, ‘expects’, ‘will continue’, ‘is anticipated’, ‘anticipates’, ‘believes’, ‘estimated’, ‘intends’, ‘plans’, ‘forecast’, ‘projection’, ‘strategy’, ‘objective’ and ‘outlook’) are not historical facts and may be forward-looking statements and may involve estimates, assumptions and uncertainties which could cause actual results or outcomes to differ materially from those expressed in such forward-looking statements. No assurance can be given that these expectations will prove to be correct and such forward-looking statements included in this material change report should not be unduly relied upon. These statements speak only as of the date they are made.

Forward-looking statements are based on a number of assumptions and are subject to a number of risks and uncertainties, many of which are beyond the Company’s control, which could cause actual results and events to differ materially from those that are disclosed in or implied by such forward-looking statements. The Company undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by law. New factors emerge from time to time, and it is not possible for the Company to predict all of them or assess the impact of each such factor or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any forward-looking statement. Any forward-looking statements contained in this presentation are expressly qualified in their entirety by this cautionary statement .

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Questcorp Mining Inc. (CSE: QQQ,OTC:QQCMF) (OTCQB: QQCMF) (FSE: D910) (the ‘Company’ or ‘Questcorp’) is pleased to further update investors on its maiden drilling program at the La Union gold and silver project in Sonora, Mexico, which continues on track and on budget. The program is now two-thirds complete with initial and second holes now completed at four of the five main targets. This update follows the company’s Aug. 6, 2025, announcement marking the start of the program and Aug. 19, Sept. 10 and Sept. 24 news releases chronicling the progress of the program.

Saf Dhillon, President and Chief Executive Officer, states: ‘The drilling had started of a little slower and then was paused for unusually heavy rains. The initial plan was to drill 4 to 6 holes but, the Riverside team and their subcontracted drillers have been making substantial progress and we’re now at 7 completed holes with plans for another 2 to 5. In total, four of the five target zones have been drill tested with at least one hole.’

Two holes have now probed the Union mine target beneath historic workings, cutting through the Clemente and Caborca formations – both key host units for past mining at Union, encountering the distinctive microconglomeratic carbonate unit that historically hosted mineralization at the bottom of the Union mine.

Two holes have been completed at Famosa, testing the dip and strike extension of the mineralization in the historic workings as well as the foot wall and hanging wall of a steeply west-dipping major structural feature. Riverside select grab sampling from the Famosa dump retuned gold grade highlights of 59.4 g/t gold along with 833 g/t silver.

Two holes tested the North Union target and one tested the El Cobre target again probing beneath the historic workings for chimney and manto mineralization.

Additional holes are planned for all four of these targets, with one hole also planned for the El Creston Target.

Figure 1. Drill progress to 2025-Oct-09. Geologic map with the tenure of the Union internal concession shown in pink. Manto and chimney type CRD targets are shown as red polygons. Riverside now controls all mineral tenures on this map. 

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/10197/270509_719d25609410fb43_001full.jpg

Questcorp cautions investors grab sample by their very nature are select samples and may not be indicative of mineralization on the property.

Initial drilling is also planned for newly generated targets to the west of the known mineralization trend. The target is feeder zones along pre-mineral fault structures.

Once this initial campaign is completed, follow-up work will integrate assay results, ongoing surface programs, additional induced polarization (IP) surveys, and refined geological interpretations based on stratigraphy and structure observed in drilling.

Figure 2. Cross section looking west with conceptual drill targets and schematic drillhole traces. Assays from Riverside’s sampling of rock dump materials from the two mine areas are labeled in black. Red areas are interpreted as manto and chimney target bodies that are now well defined and drill ready. Assays shown on figures 1 and 2 have been previously released and disclosed as summarized below the geochemical QA/QC and in published NI 43-101 Report that Questcorp published 2025 on Sedar+. 

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/10197/270509_719d25609410fb43_002full.jpg

Qualified Person & QA/QC:

The technical content of this news release has been reviewed and approved by R. Tim Henneberry’, P.Geo (BC) a Director of the Company and a Qualified Person under National Instrument 43-101.

Rock samples from previous exploration programs discussed above at the Project were taken to the Bureau Veritas Laboratories in Hermosillo, Mexico for fire assaying for gold. The rejects remained with Bureau Veritas in Mexico while the pulps were transported to Bureau Veritas laboratory in Vancouver, BC, Canada for 45 element ICP/ES-MS analysis using 4-acid digestion methods. A QA/QC program was implemented as part of the sampling procedures for the exploration program. Standards were randomly inserted into the sample stream prior to being sent to the laboratory.

About Questcorp Mining Inc.

Questcorp Mining is engaged in the business of the acquisition and exploration of mineral properties in North America, with the objective of locating and developing economic precious and base metals properties of merit. The company holds an option to acquire an undivided 100-per-cent interest in and to mineral claims totalling 1,168.09 hectares comprising the North Island copper property, on Vancouver Island, B.C., subject to a royalty obligation. The company also holds an option to acquire an undivided 100-per-cent interest in and to mineral claims totalling 2,520.2 hectares comprising the La Union project located in Sonora, Mexico, subject to a royalty obligation.

Certain statements in this news release are forward-looking statements, which reflect the expectations of management regarding completion of survey work at the North Island Copper project. Forward-looking statements consist of statements that are not purely historical, including any statements regarding beliefs, plans, expectations or intentions regarding the future. Such statements are subject to risks and uncertainties that may cause actual results, performance or developments to differ materially from those contained in the statements. No assurance can be given that any of the events anticipated by the forward-looking statements will occur or, if they do occur, what benefits the Company will obtain from them. Except as required by the securities disclosure laws and regulations applicable to the Company, the Company undertakes no obligation to update these forward-looking statements if management’s beliefs, estimates or opinions, or other factors, should change.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/270509

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Perth, Australia (ABN Newswire) – Locksley Resources Ltd (ASX:LKY,OTC:LKYRF) (FRA:X5L) (OTCMKTS:LKYRF), is pleased to provide an update on the advanced research program underway at Rice University in Houston, Texas.

HIGHLIGHTS

– Rice University advancing identification of the Deep Eutectic Solvent (DES) system development

– Preliminary process parameters for the green hydrometallurgical DES process established, supporting the scoping of a pilot demonstration plant

– Locksley COO visits Rice University to review progress on DES research program

– Flotation concentrates and ROM ore samples from the Desert Antimony Mine (DAM) and EV Resources’ Los Lirios deposit, to be delivered to Rice University for expanded testwork

– American made mine-to-metal supply chain aligns with U.S. national objectives for critical mineral independence

Locksley’s Chief Operating Officer, Danny George, recently visited Rice University to review progress on the Company’s collaborative research program aimed at developing DeepSolv(TM), an innovative green hydrometallurgical solvent system for the extraction and recovery of antimony from stibnite ores and concentrates.

The visit formed part of Locksley’s ongoing engagement with the Rice University research team, led by Professor Pulickel Ajayan of the Rice Advanced Materials Institute. It provided the opportunity to directly observe the encouraging developments being achieved through the laboratory scale program.

Technical Progress

Technical sessions focused on reviewing process parameters, including solvent composition, leach kinetics, reagent recyclability, and temperature optimisation.

The DES system, employing environmentally benign ionic mixtures as an alternative to traditional reagents, has demonstrated strong potential for selective dissolution of antimony sulphides under mild conditions. This represents a major step toward establishing a low-emission, sustainable processing route for antimony production.

The collaborative review also evaluated how laboratory-scale results correlate with potential commercial-scale process configurations. Mass-balance considerations were assessed in preparation for scaling up to a pilot demonstration plant, with emphasis on solvent recovery efficiency, reagent stability, and downstream metal recovery pathways.

These findings confirm that the research program remains closely aligned with Locksley’s commercialisation strategy, advancing toward a technically robust, scalable, and economically sustainable antimony production process.

Danny George, Locksley Chief Operating Officer commented;

‘It was a privilege to spend time with the talented team at Rice University and see firsthand the impressive progress being made. The collaboration continues to deliver strong technical outcomes, and we’re excited about how this work is shaping the foundation for future commercial application.

The novelty of the DES-based process lies specifically in the solvent chemistry and its enhanced selectivity for antimony dissolution-representing a true breakthrough in reagent innovation rather than a complete process redesign.

Importantly, the downstream processing stages utilise established hydrometallurgical methods, ensuring a clear pathway toward commercial scalability, operational reliability, and regulatory acceptance. This is a strong example of how academic innovation and industry experience can work hand in hand to deliver next-generation solutions for the critical minerals sector.’

Next Steps

The next phase of work will include the delivery of flotation concentrates and ROM ore from the Desert Antimony Mine (DAM) and Los Lirios deposits to Rice University to further expand the testing regime. This work will underpin the design and scoping of the planned pilot demonstration plant, marking another significant milestone in Locksley’s development of a 100% American-made antimony supply chain.

About Locksley Resources Limited:

Locksley Resources Limited (ASX:LKY,OTC:LKYRF) (FRA:X5L) (OTCMKTS:LKYRF) is an ASX listed explorer focused on critical minerals in the United States of America. The Company is actively advancing exploration across two key assets: the Mojave Project in California, targeting rare earth elements (REEs) and antimony. Locksley Resources aims to generate shareholder value through strategic exploration, discovery and development in this highly prospective mineral region.

Mojave Project

Located in the Mojave Desert, California, the Mojave Project comprises over 250 claims across two contiguous prospect areas, namely, the North Block/Northeast Block and the El Campo Prospect. The North Block directly abuts claims held by MP Materials, while El Campo lies along strike of the Mountain Pass Mine and is enveloped by MP Materials’ claims, highlighting the strong geological continuity and exploration potential of the project area.

In addition to rare earths, the Mojave Project hosts the historic ‘Desert Antimony Mine’, which last operated in 1937. Despite the United States currently having no domestic antimony production, demand for the metal remains high due to its essential role in defense systems, semiconductors, and metal alloys. With significant surface sample results, the Desert Mine prospect represents one of the highest-grade known antimony occurrences in the U.S.

Locksley’s North American position is further strengthened by rising geopolitical urgency to diversify supply chains away from China, the global leader in both REE & antimony production. With its maiden drilling program planned, the Mojave Project is uniquely positioned to align with U.S. strategic objectives around critical mineral independence and economic security.

Tottenham Project

Locksley’s Australian portfolio comprises the advanced Tottenham Copper-Gold Project in New South Wales, focused on VMS-style mineralisation

Source:
Locksley Resources Limited

Contact:
Kerrie Matthews
Chief Executive Officer
Locksley Resources Limited
T: +61 8 9481 0389
Kerrie@locksleyresources.com.au

This post appeared first on investingnews.com

This post appeared first on investingnews.com