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Latest Assay Results Show Gold Sample at 11.2 g/t + 11.35 g/t of Silver on Glenstar's Wildhorse Project and Lays the Foundation for Expanded Phase 2 Exploration Work Program

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Glenstar Minerals (OTCQB: GSTRF) has announced significant assay results from its Wildhorse property in Nevada. Stream sediment sampling revealed strong tungsten-bismuth anomalies across four distinct drainages, with a notable gold sample yielding 11.2 g/t gold and 11.35 g/t silver.

The results confirm previously known mineralized zones and identify two additional prospective drainages, effectively expanding the Rattlesnake Zone. The findings support an intrusive-center geological model at the property's Palomino Hill, which shows classic metal zoning patterns similar to nearby Nevada mining districts.

The Wildhorse Property, spanning 1,220 acres with 61 mineral claims, shows potential for a large skarn system with historical workings dating back to the 1800s. The property's geology includes folded and faulted limestones, shale, and metavolcanic rocks, with an intrusive rhyolite mass proximal to known mineralization.

Glenstar Minerals (OTCQB: GSTRF) ha reso noti risultati significativi delle analisi dal suo progetto Wildhorse in Nevada. Il campionamento dei sedimenti di ruscellamento ha evidenziato forti anomalie di tungsteno-bismuto in quattro bacini separati, con un campione aurifero di rilievo che ha restituito 11,2 g/t d'oro e 11,35 g/t d'argento.

I risultati confermano zone mineralizzate già note e individuano due bacini aggiuntivi promettenti, ampliando di fatto la Rattlesnake Zone. I dati supportano un modello geologico centrato su un intrusivo presso Palomino Hill, che presenta classici schemi di zonazione dei metalli simili a quelli dei distretti minerari vicini del Nevada.

La proprietà Wildhorse, che copre 1.220 acri con 61 concessioni minerarie, mostra potenziale per un grande sistema di skarn con lavori storici risalenti al 1800. La geologia del sito comprende calcari piegati e fagliati, scisti e rocce metavolcaniche, con una massa riolitica intrusiva nelle immediate vicinanze delle mineralizzazioni note.

Glenstar Minerals (OTCQB: GSTRF) ha anunciado resultados de ensayos significativos de su propiedad Wildhorse en Nevada. El muestreo de sedimentos de arroyos reveló fuertes anomalías de tungsteno-bismmuto en cuatro cuencas distintas, con una muestra de oro notable que arrojó 11,2 g/t de oro y 11,35 g/t de plata.

Los resultados confirman zonas mineralizadas previamente conocidas e identifican dos cuencas adicionales con potencial, ampliando efectivamente la Rattlesnake Zone. Los hallazgos respaldan un modelo geológico de centro intrusivo en Palomino Hill de la propiedad, que muestra patrones clásicos de zonificación de metales similares a los de distritos mineros cercanos en Nevada.

La propiedad Wildhorse, que abarca 1.220 acres con 61 concesiones mineras, presenta potencial para un gran sistema de skarn con trabajos históricos desde el siglo XIX. La geología del terreno incluye calizas plegadas y falladas, lutitas y rocas metavolcánicas, con una masa riolítica intrusiva próxima a las mineralizaciones conocidas.

Glenstar Minerals (OTCQB: GSTRF)는 네바다 Wildhorse 광산 부지에서 중요한 분석 결과를 발표했습니다. 하천 퇴적물 샘플링에서 네 개의 별도 배수구에 걸쳐 강한 텅스텐-비스무트 이상이 확인되었고, 특히 금 시료에서 금 11.2 g/t 및 은 11.35 g/t을 기록했습니다.

이 결과들은 기존에 알려진 광화대들을 재확인하는 한편 두 개의 추가 유망 배수구를 식별하여 Rattlesnake Zone을 확장시켰습니다. 또한 Palomino Hill 지역에서의 관입암 중심 지질 모델을 뒷받침하며, 인근 네바다 광산지대와 유사한 전형적인 금속 분포 패턴을 보여줍니다.

Wildhorse 광산 부지는 61개의 광권을 포함한 1,220에이커 면적으로, 1800년대부터의 역사적 채굴 흔적이 있는 대형 스카른 시스템 가능성을 시사합니다. 해당 지역 지질은 접힘과 단층이 발달한 석회암, 셰일 및 변질화 화산암을 포함하며, 알려진 광화부 근처에 리올라이트 관입체가 위치합니다.

Glenstar Minerals (OTCQB: GSTRF) a annoncé des résultats d'analyses significatifs sur sa propriété Wildhorse au Nevada. Les prélèvements de sédiments de ruisseau ont révélé de fortes anomalies tungstène-bismuth dans quatre bassins distincts, avec un échantillon aurifère notable donnant 11,2 g/t d'or et 11,35 g/t d'argent.

Les résultats confirment des zones minéralisées déjà connues et identifient deux bassins supplémentaires prometteurs, élargissant ainsi la Rattlesnake Zone. Les observations soutiennent un modèle géologique centré sur un intrusive à Palomino Hill, présentant des schémas classiques de zonation des métaux similaires à ceux des districts miniers voisins au Nevada.

La propriété Wildhorse, couvrant 1 220 acres avec 61 concessions minérales, montre un potentiel pour un vaste système de skarn, avec des travaux historiques remontant aux années 1800. La géologie du site comprend des calcaires plissés et faillés, des schistes et des roches métavolcaniques, ainsi qu'une masse rhyolitique intrusive proche des zones minéralisées connues.

Glenstar Minerals (OTCQB: GSTRF) hat bedeutende Analyseergebnisse von seinem Wildhorse-Grundstück in Nevada bekannt gegeben. Beprobungen von Bachsedimenten zeigten in vier unterscheidbaren Einzugsgebieten; eine bemerkenswerte Goldprobe ergab 11,2 g/t Gold und 11,35 g/t Silber.

Die Ergebnisse bestätigen bereits bekannte mineralisierte Zonen und identifizieren zwei weitere vielversprechende Einzugsgebiete, wodurch die Rattlesnake Zone effektiv erweitert wird. Die Befunde stützen ein intrusiv-zentriertes geologisches Modell am Palomino Hill der Liegenschaft, das klassische Metallzonierungen ähnlich benachbarter Bergbaubezirke in Nevada zeigt.

Das Wildhorse-Grundstück erstreckt sich über 1.220 Acres mit 61 Bergwerkskonzessionen und weist Potenzial für ein großes Skarn-System auf; historische Bergbauarbeiten reichen bis ins 19. Jahrhundert zurück. Die Geologie umfasst gefaltete und verwerfungsbeeinflusste Kalksteine, Schiefer und metavulkanische Gesteine sowie eine rhyolithische intrusive Masse in Nähe der bekannten Mineralisierungen.

Positive
  • None.
Negative
  • Surface geology partially concealed by landslide rubble and boulder bearing gravel units
  • Additional sampling needed to better understand localized mineralization

Vancouver, British Columbia--(Newsfile Corp. - September 3, 2025) - Glenstar Minerals Inc. (CSE: GSTR) (OTCQB: GSTRF) (FSE: VO20) ("Glenstar" or the "Company") is pleased to announce that it has received assay results from twenty-nine (29) stream sediment samples that were collected during the Phase 1 exploration work program conducted on the Wildhorse property in early June (see news release dated July 9, 2025). The assays were conducted by ALS Chemex ("ALS") in Vancouver, BC, from samples collected, bagged, labelled and shipped by project geologist, and Qualified Person, Robert Marvin.

The results show a series of very strong tungsten-bismuth anomalies that have been mapped in four (4) distinct stream drainages in the central portion of the property. The position of these anomalies confirm the known mineralized zones and, more importantly, also identify two (2) additional drainages as being highly prospective for a more comprehensive and detailed prospecting plan, due to robust tungsten and bismuth reported in the stream sediment assays. This appears to represent a significant expansion of the previously identified Rattlesnake Zone, which is contained within the larger surrounding area where the twenty-nine (29) stream sediment samples were taken.

The results also add additional support to the developing intrusive-center geologic model at Wildhorse. Within this area there is a prominent steep-sided hill, which the Company has named Palomino Hill, that is surrounded by a well-developed skarn envelope. Strong gold, copper, silver, bismuth, tellurium, and tungsten have been sampled along both the east (Rattlesnake Zone) and southwest (Coca Cola Zone) flanks of Palomino Hill. Further away, mineralization on the south side of Palomino Hill (Highland Zone) changes to zinc, silver, and lead dominant, as previously seen in initial rock chip sampling of the property.

This is classic metal zoning seen worldwide in intrusive-center related ore deposits such as the bonanza silver-gold-base metal vein system in nearby Story County Nevada and the Yerington Nevada district where gold and silver mineralization is related to tellurium mineralization within the porphyry copper deposit in adjacent Lyon County.

Furthermore, a potentially significant and important gold occurrence has been identified in the sample results in a single sample from a large cobble in the stream drainage 35 meters downhill from the Coca Cola Zone. It is likely that the sampled material is from the identified mineralized zone immediately up slope. This sample returned 11.20 ppm (11.2 g/t or .36 oz/t) gold with 11.35 ppm (11.35 g/t or .37 oz/t) silver, as well as multi-percent copper along with the expected strong tungsten, bismuth and tellurium signature previously encountered.

These stream sediment and rock chip results are quite encouraging and indicate that further sampling needs to be done to gain a better understanding of the localized mineralization in each of the three zones.

According to project geologist Bob Marvin, "These latest results clearly indicate that the zones of interest warrant an expanded and more comprehensive Phase 2 exploration and work plan, which will provide a clearer picture of what we're actually dealing with. I am extremely happy with what we have discovered so far at the Wildhorse Project and the team will be determining next steps in the very near future."

Project Background & Recent Exploration Work

The Wildhorse Property is comprised of 61 mineral claims, representing 1,220 acres (494 hectares) in Mineral County, Nevada, and was initially targeted after compilation of all available data, including notes of a 1975 field examination contained in the Anaconda Company archives housed at the University of Wyoming. The claims show historical workings that appear to date from the late 1800's and early 1900's. Other claim stakes that the geological team discovered on the property indicate the last time the area was staked was 2011, however, these claims were never registered with the BLM. Preliminary geological assessment of the claims, and the area in general, indicate there are a series of east dipping mineralized zones. Initial field examination of the property identified and sampled a quartz veinlet zone containing in excess of 1 gram per ton gold, 1% copper, and 6,100 ppm of antimony. It was also reported that outcropping zones also contain bismuth and tungsten >200 ppm, which points to a focused intrusive source for the epidote skarn alteration and poly-metallic system.

Several additional areas of exposed copper mineralization were located during the staking of the property. The geology of the area is complex, with strongly folded and faulted limestones, shale, and metavolcanic rocks of Paleozoic age underly the known mineralization and cover a large portion of the property claims. Importantly, an intrusive mass of rhyolite has intruded the deformed section in a position proximal to the known mineralization. Land slide rubble and boulder bearing gravel units conceal the underlying geology in the northcentral portion of the property (see news release dated May 8, 2025).

The economic opportunity at Wildhorse points to the possible discovery of a large, well mineralized skarn system under the surface workings and within the controlling north-south fault zone exposed at surface. Skarns are relatively easy to explore as they respond well to a variety of electric geophysical methods including magnetic surveys.

About Glenstar Minerals Inc.

Glenstar is a mineral exploration Company with a focus on polymetallic minerals. These elements are classified as critical minerals and are essential in the manufacturing of sophisticated electronics and other vital energy technologies. The Company's mission is to leverage its knowledge and connections to explore, acquire, and develop critical mineral and energy metal properties throughout the world.

Glenstar's shares trade on the Canadian Securities Exchange (CSE) under the symbol "GSTR", on the Frankfurt Stock Exchange under the symbol "VO20", and on the Over-the-Counter market (OTCQB) in the United States under the symbol "GSTRF".

Robert Marvin, P.Geo (ONT) is the qualified person as defined by National Instrument 43-101 and is the independent consulting geologist for Glenstar Minerals Inc. who has examined the Green Monster and Wildhorse properties on the ground numerous times since 2022 and 2024 respectively. All fieldwork relating to geologic observations and sampling as reported herein, has been directly overseen by Mr. Marvin who supervised the preparation of, and has reviewed and approved, the technical information in this release.

ON BEHALF OF THE BOARD

"David Ryan"
President & CEO

Further information regarding the Company can be found on SEDAR+ at www.sedarplus.ca, by visiting the Company's website www.glenstar.ca or by contacting the Company directly at 604-449-2810.

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

Cautionary Statement Regarding Forward-Looking Information Certain information contained in this news release constitutes "forward-looking information" or "forward-looking statements" (collectively, "forward-looking information"). Without limiting the foregoing, such forward-looking information includes statements regarding the process and completion of any Offering, the use of proceeds of the Offering and any statements regarding the Company's business plans, expectations and objectives. In this news release, words such as "may", "would", "could", "will", "likely", "believe", "expect", anticipate", "intend", "plan", "estimate" and similar words and the negative form thereof are used to identify forward-looking information.

Forward-looking information should not be read as guarantees of future performance or results, and will not necessarily be accurate indications of whether, or the times at or by which, such future performance will be achieved. Mineral exploration is subject to risks and uncertainties and there is no assurance that any potential results or findings that may be suggested in this press release will ultimately happen. Forward-looking information is based on information available at the time and/or the Company management's good faith belief with respect to future events and is subject to known or unknown risks, uncertainties, assumptions and other unpredictable factors, many of which are beyond the Company's control. For additional information with respect to these and other factors and assumptions underlying the forward-looking information made in this news release, see the Company's most recent Management's Discussion and Analysis and financial statements and other documents filed by the Company with the Canadian securities commissions and the discussion of risk factors set out therein. Such documents are available at www.sedarplus.ca under the Company's profile and on the Company's website. The forward-looking information set forth herein reflects the Company's expectations as at the date of this news release and is subject to change after such date.

This release may contain certain forward‐looking statements with respect to the financial condition, results of operations and business of the Company and certain of the plans and objectives of the Company with respect to the same. By their nature, forward‐looking statements involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future and there are many factors that could cause actual results and developments to differ materially from those expressed or implied by these forward‐looking statements.

We seek safe harbour.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/264922

FAQ

What were the latest gold and silver assay results from Glenstar's (GSTRF) Wildhorse Project?

A single sample from the Coca Cola Zone yielded 11.2 g/t gold and 11.35 g/t silver, along with multi-percent copper and strong tungsten, bismuth and tellurium signatures.

How many mineral claims does Glenstar's Wildhorse Property contain?

The Wildhorse Property consists of 61 mineral claims, covering 1,220 acres (494 hectares) in Mineral County, Nevada.

What type of mineralization system has been identified at GSTRF's Wildhorse Project?

The project shows evidence of an intrusive-center related ore deposit with classic metal zoning, including a well-developed skarn envelope around Palomino Hill with gold, copper, silver, bismuth, tellurium, and tungsten mineralization.

What were the key findings from Glenstar's Phase 1 exploration program?

The Phase 1 program identified strong tungsten-bismuth anomalies across four distinct drainages, confirmed known mineralized zones, and discovered two additional prospective drainage areas, expanding the Rattlesnake Zone.

What is the historical background of Glenstar's Wildhorse Property?

The property contains historical workings dating back to the late 1800s and early 1900s. It was last staked in 2011, though these claims were never registered with the BLM.
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