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Japan Gold Commences Next Phase of Drilling at Mizobe

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Japan Gold (OTCQB: JGLDF) has initiated its next phase of diamond drilling at the 100% owned Mizobe Project in Japan's Hokusatsu district. The program encompasses 4 holes totaling approximately 1,600m, building on previous successful drilling that revealed significant gold mineralization, including intercepts of 10.0m @ 4.27g/t Au and 4.0m @ 1.60g/t Au.

The Mizobe Project is strategically located 23 kilometers south of the renowned Hishikari Mine, Japan's only active large-scale gold mine with 14 million ounces. The 2025 drilling campaign aims to test for higher-grade mineralization and explore resistivity and chargeability anomalies identified in the 2023 Induced Polarization survey.

Japan Gold (OTCQB: JGLDF) ha avviato la fase successiva di perforazione diamantina nel Mizobe Project, di sua proprietà al 100%, nel distretto di Hokusatsu in Giappone. Il programma prevede 4 fori per un totale di circa 1.600 m, facendo seguito ai fori precedenti che avevano evidenziato mineralizzazioni aurifere significative, fra cui intersezioni di 10,0 m @ 4,27 g/t Au e 4,0 m @ 1,60 g/t Au.

Il progetto Mizobe si trova strategicamente a 23 chilometri a sud della nota miniera di Hishikari, l’unico grande giacimento aurifero attivo del Giappone con 14 milioni di once. La campagna di perforazione 2025 punta a verificare la presenza di mineralizzazione a tenore più elevato ed a investigare anomalie di resistività e carica rilevate nella prospezione di polarizzazione indotta del 2023.

Japan Gold (OTCQB: JGLDF) ha iniciado la siguiente fase de perforación diamantina en el Mizobe Project, de su propiedad al 100%, en el distrito de Hokusatsu, Japón. El programa contempla 4 sondajes con un total aproximado de 1.600 m, dando continuidad a perforaciones previas que revelaron mineralización aurífera significativa, incluyendo intercepciones de 10,0 m @ 4,27 g/t Au y 4,0 m @ 1,60 g/t Au.

El proyecto Mizobe está estratégicamente situado a 23 kilómetros al sur de la reconocida mina Hishikari, la única gran mina de oro activa de Japón con 14 millones de onzas. La campaña de perforación 2025 tiene como objetivo probar mineralización de mayor ley y explorar anomalías de resistividad y cargabilidad identificadas en la encuesta de polarización inducida de 2023.

Japan Gold (OTCQB: JGLDF)는 일본 홋카츠(Hokusatsu) 지구에 있는 100% 소유 Mizobe Project에서 다이아몬드 시추의 다음 단계를 시작했습니다. 이 프로그램은 약 1,600m에 달하는 4공을 포함하며, 이전 시추에서 드러난 유의미한 금광화 구간(예: 10.0m @ 4.27g/t Au, 4.0m @ 1.60g/t Au)을 토대로 진행됩니다.

Mizobe 프로젝트는 일본의 유일한 대형 활황 금광인 Hishikari 광산에서 남쪽으로 23킬로미터 떨어진 전략적 위치에 있습니다(매장량 1,400만 온스). 2025년 시추 캠페인은 고급(고금도) 광화 구간을 확인하고 2023년 유발 분극(Induced Polarization) 조사에서 식별된 저항률 및 전하성(혹은 적재성) 이상을 탐사하는 것을 목표로 합니다.

Japan Gold (OTCQB: JGLDF) a lancé la prochaine phase de forages diamantés sur le Mizobe Project, dont elle est propriétaire à 100 %, dans le district de Hokusatsu au Japon. Le programme comprend 4 trous totalisant environ 1 600 m, s’appuyant sur des forages antérieurs ayant révélé une minéralisation aurifère significative, incluant des intersections de 10,0 m @ 4,27 g/t Au et 4,0 m @ 1,60 g/t Au.

Le projet Mizobe est stratégiquement situé à 23 kilomètres au sud

Japan Gold (OTCQB: JGLDF) hat die nächste Phase von Diamantbohrungen auf dem zu 100 % befindlichen Mizobe Project im Hokusatsu-Distrikt Japans eingeleitet. Das Programm umfasst 4 Bohrlöcher mit insgesamt rund 1.600 m und baut auf vorherigen erfolgreichen Bohrungen auf, die bedeutende Goldmineralisierung zeigten, darunter Abschnitte von 10,0 m @ 4,27 g/t Au und 4,0 m @ 1,60 g/t Au.

Das Mizobe-Projekt liegt strategisch 23 Kilometer südlich der bekannten Hishikari-Mine, der einzigen großen aktiven Goldmine Japans mit 14 Millionen Unzen. Die Bohrkampagne 2025 zielt darauf ab, höherwertige Mineralisierung zu testen und die in der Induced-Polarization-Untersuchung 2023 identifizierten Resistivitäts- und Ladungsfähigkeitsanomalien zu erkunden.

Positive
  • None.
Negative
  • Mineralization currently identified only in upper/peripheral parts of epithermal system
  • Additional drilling required to confirm higher-grade mineralization at depth

Vancouver, British Columbia--(Newsfile Corp. - September 9, 2025) - Japan Gold Corp. (TSXV: JG) (OTCQB: JGLDF) ("Japan Gold" or the "Company") is pleased to announce the commencement of the next phase of diamond drilling at the 100% held Mizobe Project ("Mizobe") located in the Hokusatsu district on the southern island of Kyushu, one of Japan's most prospective epithermal gold areas. The drill program consists of a total of 4 holes for approximately 1,600m.

Previous drilling at Mizobe (completed through the Barrick Alliance, see news release dated February 29, 2024), confirmed the presence of gold mineralization underneath post mineralization. Best intercepts include: 10.0m @ 4.27g/t Au from 122.75m (MZDD23-003) and 4.0m @ 1.60g/t Au from 36.5m (MZDD23-004). Mineralization is associated with localised zones of silification, clay-pyrite alteration, narrow zones of hydrothermal brecciation and anomalous arsenic and antimony. This style of alteration and geochemical association is interpreted to represent the upper or peripheral parts of an epithermal system.

The 2025 Mizobe drill program is designed to test for higher grade mineralization below these intercepts, as well as testing resistivity and chargeability defined from the 2023 Induced Polarization survey.

Jason Letto, VP Exploration, said, "This phase of drilling is designed to build on the encouraging results from the 2023 campaign, leverage historical data, geophysics, geochemistry, and structural interpretation to refine targeting and to increase our understanding of the mineralized system at Mizobe. We are systematically testing an area within proximity of the 14 million ounce[1] Hishikari gold mine and look forward to advancing Mizobe and other prospects in the Hokusatsu district."

The Mizobe Project

The Mizobe Project is located in the Hokusatsu district of southern Kyushu in a similar geological setting to the Sumitomo Metal Mining Co., Ltd. Hishikari Mine, located 23 kilometres to the north. Hishikari is one of the world's highest-grade gold mines and currently Japan's only active large-scale producing gold mine. The Hokusatsu district has produced more than 13 million ounces[2] of gold from several mines and remains one of the most prospective regions in Japan.

Marketing and Advertising Services

The Company entered into a Services Agreement dated August 26, 2025 (the "CanaCom Agreement") with 2686362 Ontario Corporation dba CanaCom Group ("CanaCom Group") pursuant to which CanaCom Group has agreed to provide digital content, marketing and media distribution services to the Company. Pursuant to the terms of the CanaCom Agreement, such marketing services are to be provided over a 12-month period, for a fee of C$100,000 plus applicable taxes. CanaCom Group is a full-service marketing agency based in Oakville, Ontario and is headed by Jordan Lutz. CanaCom Group provides digital marketing awareness via advertising through its fully owned platform theDeepDive.ca, which includes both video and written content coverage of Canadian small-cap stories.

Qualified Person

The technical information in this news release has been reviewed and approved by Japan Gold's Senior Technical Advisor, Fraser MacCorquodale, BAppSc, MAIG, MSEG, who is a Qualified Person as defined by National Instrument 43-101.

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Figure 1 - Mizobe 2025 Drilling Program

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Figure 2 - Mizobe Geology with Planned Drilling

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About Japan Gold Corp.

Japan Gold Corp. is a Canadian mineral company focused on the exploration and discovery of high-grade epithermal gold deposits across the main islands of Japan. The Company holds a significant portfolio of tenements covering areas with known gold occurrences, history of mining and prospective for high-grade epithermal gold mineralization in one of the most stable and under explored countries in the world. The Japan Gold leadership and operational team of geologists, drillers and technical advisors have extensive experience exploring and operating in Japan and have a track record of discoveries world-wide. Japan Gold has an alliance with Barrick Mining Corporation to jointly explore, develop and mine certain gold mineral properties and mining projects with the potential to host Tier 1 or Tier 2 gold ore bodies in Japan. Significant shareholders include Equinox Partners Investment Management LLC and Newmont Corporation.

On behalf of the Board of Japan Gold Corp.
John Proust
Chairman & CEO

For further information, please contact:
Alexia Helgason
Vice President, Corporate Communications
Phone: +1(604) 417-1265

Email: ahelgason@japangold.com

Cautionary Note

Neither the TSX Venture Exchange nor its Regulation Services Provider (as such 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 relating to expected or anticipated future events and anticipated results related to future partnerships and the Company's 2025 gold exploration program. These statements are forward-looking in nature and, as a result, are subject to certain risks and uncertainties that include, but are not limited to, the timing and granting of prospecting rights; the Company's ability to convert prospecting rights into digging rights within the timeframe prescribed by the Mining Act; general economic, market and business conditions; competition for qualified staff; the regulatory process and actions; technical issues; new legislation; potential delays or changes in plans; working in a new political jurisdiction; results of exploration; the Company's ability to execute and implement future plans, arrange or conclude a joint venture or partnership; and the occurrence of unexpected events. Actual results achieved may differ from the information provided herein and, consequently, readers are advised not to place undue reliance on forward-looking information. The forward-looking information contained herein speaks only as of the date of this News Release. The Company disclaims any intention or obligation to update or revise forward‐looking information or to explain any material difference between such and subsequent actual events, except as required by applicable laws.


1Sumitomo Metal Mining Co., Ltd. Integrated Report, August 2024

2 Garwin, S. L., Hall, R., & Watanabe, Y. (2005). Tectonic setting, geology, and gold and copper mineralization in Cenozoic magmatic arcs of Southeast Asia and the West Pacific.

The Mining and Materials Processing Institute of Japan (1989, March). Journal of Japanese gold mines, Vol. 1: Kyushu, Japan
Izawa, E., & Zeng, N. (2001).

Kushikino gold mineralization in a Pliocene volcanic region, Kyushu, Japan. In Society of Economic Geologists (Ed.), Guidebook Series (Vol. 34, pp. 53-60). Society of Economic Geologists.

Murakami, H., and Freebey, C., (2001) Geology and Geophysical Expression of the Yamagano low sulfidation epithermal Au-Ag deposit, southwest Kyushu In Society of Economic Geologists (Ed.), Guidebook Series.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/265650

FAQ

What are the key highlights of Japan Gold's (JGLDF) 2025 Mizobe drilling program?

The program includes 4 diamond drill holes totaling 1,600m, designed to test for higher-grade mineralization below previous successful intercepts and explore anomalies identified in the 2023 IP survey.

What were the best gold intercepts from previous drilling at Japan Gold's Mizobe Project?

Previous drilling revealed significant intercepts including 10.0m @ 4.27g/t Au from 122.75m and 4.0m @ 1.60g/t Au from 36.5m.

How close is Japan Gold's Mizobe Project to the Hishikari gold mine?

The Mizobe Project is located 23 kilometers south of the Hishikari Mine, which is one of the world's highest-grade gold mines with 14 million ounces.

What type of mineralization has been identified at Japan Gold's Mizobe Project?

The mineralization is associated with silification, clay-pyrite alteration, hydrothermal brecciation, and anomalous arsenic and antimony, interpreted as the upper or peripheral parts of an epithermal system.

How much gold has the Hokusatsu district produced historically?

The Hokusatsu district has historically produced more than 13 million ounces of gold from several mines and remains one of Japan's most prospective regions.
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