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Bayhorse Silver Extends Known Silver Mineralization At The Bayhorse Silver Mine, Oregon, USA to Over 400m E-W and 563m S-N

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Bayhorse Silver (OTCQB: BHSIF) has announced significant extensions to its silver mineralization at the Bayhorse Silver Mine in Oregon. The company has expanded the known mineralization extent to over 400m East-West and 560m North-South, with a vertical extent of 91m.

Two new mineralized zones have been discovered: one at 310ft and 380ft under RC hole MW-1, and another 30m under RC hole MW-3. The company's current NI 43-101 inferred resource stands at 292,300 tons at 21.65 opt (673 g/t) for 6.3 million ounces of silver. With claims renewed until August 2026, Bayhorse plans to extend exploration to the adjacent Pegasus project through an upcoming IP survey.

Bayhorse Silver (OTCQB: BHSIF) ha annunciato estensioni significative della mineralizzazione d'argento presso la Bayhorse Silver Mine in Oregon. La società ha ampliato l'estensione nota della mineralizzazione a oltre 400 m in direzione Est-Ovest e 560 m in direzione Nord-Sud, con un'estensione verticale di 91 m.

Sono state identificate due nuove zone mineralizzate: una a 310 ft e 380 ft sotto il foro RC MW-1, e un'altra a 30 m sotto il foro RC MW-3. La risorsa inferita certificata NI 43-101 attuale è di 292.300 tonnellate a 21,65 opt (673 g/t) per 6,3 milioni di once d'argento. Con i titoli rinnovati fino ad agosto 2026, Bayhorse prevede di estendere l'esplorazione al progetto adiacente Pegasus tramite un prossimo rilievo IP.

Bayhorse Silver (OTCQB: BHSIF) ha anunciado extensiones significativas de su mineralización de plata en la mina Bayhorse en Oregón. La compañía ha ampliado la extensión conocida de la mineralización a más de 400 m de Este a Oeste y 560 m de Norte a Sur, con una extensión vertical de 91 m.

Se han descubierto dos nuevas zonas mineralizadas: una a 310 ft y 380 ft bajo el sondeo RC MW-1, y otra a 30 m bajo el sondeo RC MW-3. El recurso inferido actual según NI 43-101 es de 292.300 toneladas a 21,65 opt (673 g/t) para 6,3 millones de onzas de plata. Con los reclamos renovados hasta agosto de 2026, Bayhorse planea extender la exploración al proyecto adyacente Pegasus mediante un próximo estudio IP.

Bayhorse Silver (OTCQB: BHSIF)� 오리건의 Bayhorse Silver Mine에서 은 광화 범위� 크게 확장했다� 발표했습니다. 회사� 알려� 광화 범위� 동서 방향 400m 이상, 남북 방향 560m� 확대했으� 수직 범위� 91m입니�.

� 개의 새로� 광화대가 발견되었는데, 하나� RC 홀 MW-1 아래 310ft � 380ft� 위치하고 다른 하나� RC 홀 MW-3 아래 30m� 위치합니�. 현재 NI 43-101 추정 자원은 292,300�, 21.65 opt(673 g/t)� 은 630� 온스입니�. 권리� 2026� 8월까지 갱신되었으며, Bayhorse� 예정� IP 조사� 인접� Pegasus 프로젝트� 탐사� 확대� 계획입니�.

Bayhorse Silver (OTCQB: BHSIF) a annoncé des extensions significatives de la minéralisation en argent à la mine Bayhorse dans l'Oregon. La société a élargi l'étendue connue de la minéralisation à plus de 400 m Est-Ouest et 560 m Nord-Sud, avec une extension verticale de 91 m.

Deux nouvelles zones minéralisées ont été découvertes : l'une à 310 ft et 380 ft sous le trou RC MW-1, et l'autre à 30 m sous le trou RC MW-3. La ressource inférée actuelle selon la NI 43-101 est de 292 300 tonnes à 21,65 opt (673 g/t) pour 6,3 millions d'onces d'argent. Avec des claims renouvelés jusqu'en août 2026, Bayhorse prévoit d'étendre l'exploration au projet adjacent Pegasus via une prochaine enquête IP.

Bayhorse Silver (OTCQB: BHSIF) hat bedeutende Erweiterungen der Silbermineralisierung der Bayhorse Silver Mine in Oregon bekanntgegeben. Das Unternehmen hat das bekannte Mineralisierungsgebiet auf über 400 m Ost-West und 560 m Nord-Süd ausgeweitet, mit einer vertikalen Ausdehnung von 91 m.

Es wurden zwei neue mineralisierte Zonen entdeckt: eine in 310 ft und 380 ft Tiefe unter dem RC-Bohrloch MW-1 und eine weitere 30 m unter dem RC-Bohrloch MW-3. Die aktuelle NI 43-101‑Inferred‑Ressource beträgt 292.300 Tonnen mit 21,65 opt (673 g/t) für 6,3 Millionen Unzen Silber. Mit bis August 2026 verlängerten Claims plant Bayhorse, die Erkundung mit einer bevorstehenden IP‑Untersuchung auf das benachbarte Pegasus‑Projekt auszudehnen.

Positive
  • None.
Negative
  • Width and thickness of new mineralized zones currently unknown
  • Additional drilling and sampling required to confirm resource expansion

Vancouver, British Columbia--(Newsfile Corp. - August 19, 2025) - Bayhorse Silver Inc, (TSXV: BHS) (OTCQB: BHSIF) (FSE: 7KXN) (" Bayhorse" or the "Company") reports it has increased the known extent of mineralization at the Bayhorse Silver Mine, to over 400 m E-W (1,312 feet) and 560 m (1850 ft) N-S with a now known vertical extent of 91 m (300 ft).

Two new mineralized zones have been confirmed at 310 ft and 380 ft under RC hole MW-1,a 725 foot vertical hole that was collared at 862 m (2,830 ft) ASL elevation, and 365 m (1200 ft) S-W of the Bayhorse Mine portal. The new zone lies 198 m (650 ft) S-W of the historic "Goldilocks" historic mined area at a similar elevation, where mined rounds grading up to 100 oz/t silver were partially mined in 1984 (Silver King Mines, 1984).

A second new mineralized zone has also been identified 30m (100 feet) under RC hole MW-3, a 220 foot vertical hole that was collared 36.6 m (120 ft) S-E of the Bayhorse Mine portal at 713 m (2340 ft) ASL elevation, and which is 126 m (415 ft) south from, and at the same elevation as the recently announced 3 m (10 ft) intersection of 917 g/t (29.6 opt) reported in the Company's news release , and . The width and thickness of the new zones is unknown at this time.

Bayhorse CEO Graeme O'Neill comments that, "By significantly extending the known areas of high-grade silver mineralization, further dill testing and sampling may lead to an increase in the Company's  (Turner et al. 2018). With the Bayhorse and Pegasus claims renewed until August 2026, we are looking to extend the Bayhorse silver mineralization onto our adjacent "760 m (2,500 ft ) apart, nearly 9 sq/km (4 sq/mile) Pegasus project with our upcoming IP survey, that may also identify the presence of potential porphyry copper mineralization."



Figure 1. Identified silver bearing zones 1920-1924 average mined grade 33 oz/t Ag. 1% Cu. 1925 average mined grade 29.56 oz/t Ag, 1984 average mined grade 18.5 oz/t Ag (Minex, 2008).

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Figure 2. Bayhorse Mine and Pegasus proximity

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Quality Assurance/Quality Control ("QA/QC") Measures, Chain of Custody

Drill cuttings were split and placed in sealed bags for preparation and subsequent analysis. The balance of the cuttings are retained in secure storage at the Mine. Silver fire assays will be conducted by Christopherson Inc. Umpire Assayers, Smelterville, Idaho. using 30g fire assay with a gravimetric finish for silver. The sample pulps created at Christopherson Inc. will then be submitted to Paragon Geochemical's Sparks, Nevada facility for a 35 element suite using Paragon's 35 AR-OES (Aqua Regia digestion) & ICP (Induced Coupled Plasma) multi-element method. Samples showing anomalous silver in the 35 element scan will also be assayed for silver using Ag 30g fire assay, AQR/digest/AAS or OES finish.

A blank was inserted at the start of the sample submittal and a prepared standard inserted every twenty samples. One duplicate was also inserted into the sample stream. The samples were stored in a secure facility on the property then transported to the laboratory in a secure container in a pickup truck by the project geologist.

This News Release has been prepared on behalf of the Bayhorse Silver Inc. Board of Directors, which accepts full responsibility for its content. Mark Abrams, AIPG, a Qualified Person, and a Director of the Company, has prepared, supervised the preparation of, or approved the technical content of this news release.

On Behalf of the Board.

Graeme O'Neill, CEO
866-399-6539

About Bayhorse Silver Inc.

Bayhorse Silver Inc. is an exploration and production company with a 100% interest in the historic Bayhorse Silver Mine located in Oregon, USA with a . (Turner et al. 2018) and the Pegasus Project, in Washington County, Idaho. The Bayhorse Silver Mine and the Pegasus Project are 44 km southwest of Hercules Metals' porphyry copper discovery. The Bayhorse Mine is a minimum environmental impact facility capable of processing at a mining rate up 200 tons/day that includes a state of the art 40 ton per hour Steinert Ore-Sorter that reduces waste rock entering the processing stream by up to 85%. . The Company has an experienced management and technical team with extensive mining expertise in both exploration and building mines.

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.

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FAQ

What is the current extent of mineralization at Bayhorse Silver Mine?

The mineralization now extends over 400m East-West, 560m North-South, with a vertical extent of 91m (300 ft).

What is BHSIF's current silver resource estimate?

Bayhorse Silver has an NI 43-101 inferred resource of 292,300 tons at 21.65 opt (673 g/t) for 6.3 million ounces of silver.

Where are the new mineralized zones located at Bayhorse Silver Mine?

The first zone is at 310ft and 380ft under RC hole MW-1, and the second zone is 30m under RC hole MW-3, located 36.6m S-E of the mine portal.

What are Bayhorse Silver's exploration plans for 2025-2026?

The company plans to extend silver mineralization exploration to the adjacent Pegasus project through an upcoming IP survey, which may also identify potential porphyry copper mineralization.

What were the historical silver grades at Bayhorse Mine?

Historical mining produced grades of 33 oz/t Ag in 1920-1924, 29.56 oz/t Ag in 1925, and 18.5 oz/t Ag in 1984.
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