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Star Copper Gains Confidence for Robust Porphyry System at Depth Across Star Deposit in Golden Triangle Region

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Star Copper (OTCQX:STCUF) has reported significant progress in its ongoing drill program at the Star Project in British Columbia's Golden Triangle region. The company has completed Hole C (S-052), reaching a record depth of 674m, representing the deepest drill hole to date on the property.

The drilling campaign, designed to test both lateral and vertical continuity of mineralized zones, has completed three of six planned holes in a 4,000-meter program. Hole C confirmed consistent chalcopyrite mineralization, extended the northern supergene copper footprint, and strengthened the connection between potassic alteration, fault architecture, and elevated chalcopyrite content at Star Main.

Additionally, Star Copper has engaged Upswitch Media Corp. for marketing and investor relations services in a 30-day contract valued at $500,000.

Star Copper (OTCQX:STCUF) ha annunciato importanti progressi nel suo programma di perforazione in corso presso il Progetto Star nella regione del Golden Triangle, British Columbia. La società ha completato il Foro C (S-052), raggiungendo una profondità record di 674m, il foro più profondo mai realizzato finora nella proprietà.

La campagna di perforazione, progettata per verificare la continuità laterale e verticale delle zone mineralizzate, ha completato tre dei sei fori previsti in un programma di 4.000 metri. Il Foro C ha confermato una mineralizzazione costante di calcopirite, ha esteso l'area di rame supergene a nord e ha rafforzato il legame tra alterazione potassica, struttura delle faglie e contenuto elevato di calcopirite a Star Main.

Inoltre, Star Copper ha stipulato un contratto con Upswitch Media Corp. per servizi di marketing e relazioni con gli investitori, con un accordo di 30 giorni del valore di 500.000 dollari.

Star Copper (OTCQX:STCUF) ha informado avances significativos en su programa de perforación en curso en el Proyecto Star en la región del Golden Triangle, Columbia Británica. La compañía ha completado el Pozo C (S-052), alcanzando una profundidad récord de 674 m, siendo el pozo más profundo realizado hasta la fecha en la propiedad.

La campaña de perforación, diseñada para probar la continuidad lateral y vertical de las zonas mineralizadas, ha completado tres de los seis pozos planeados en un programa de 4,000 metros. El Pozo C confirmó una mineralización constante de calcopirita, extendió la huella norte de cobre supergénico y fortaleció la conexión entre la alteración potásica, la arquitectura de fallas y el contenido elevado de calcopirita en Star Main.

Además, Star Copper ha contratado a Upswitch Media Corp. para servicios de marketing y relaciones con inversionistas en un contrato de 30 días valorado en 500,000 dólares.

Star Copper (OTCQX:STCUF)� 브리티시컬럼비아 골든 트라이앵글 지역에 위치� Star 프로젝트에서 진행 중인 시추 프로그램에서 중요� 진전� 보고했습니다. 회사� C�(S-052)� 완료했으�, 기록적인 깊이� 674m� 도달� 해당 부지에서 지금까지 가� 깊은 시추공을 기록했습니다.

광물� 구역� 수평 � 수직 연속성을 테스트하� 위해 설계� 이번 시추 캠페인은 � 6개의 예정� 시추� � 3개를 완료했으�, 4,000미터 프로그램� 진행 중입니다. C공은 일관� 황동� 광물화를 확인했으�, 북쪽� 초생대 구리 분포� 확장하고 Star Main에서 칼륨 변�, 단층 구조 � 높은 황동� 함량 간의 연관성을 강화했습니다.

또한, Star Copper� 마케� � 투자� 관� 서비스를 위해 Upswitch Media Corp.와 30� 계약, 50� 달러 규모� 계약� 체결했습니다.

Star Copper (OTCQX:STCUF) a annoncé des progrès significatifs dans son programme de forage en cours sur le projet Star dans la région du Golden Triangle en Colombie-Britannique. La société a achevé le trou C (S-052), atteignant une profondeur record de 674 m, ce qui représente le forage le plus profond à ce jour sur la propriété.

La campagne de forage, conçue pour tester la continuité latérale et verticale des zones minéralisées, a complété trois des six trous prévus dans le cadre d’un programme de 4 000 mètres. Le trou C a confirmé une minéralisation constante en chalcopyrite, étendu l’empreinte du cuivre supergène au nord et renforcé le lien entre l’altération potassique, l’architecture des failles et la teneur élevée en chalcopyrite à Star Main.

De plus, Star Copper a engagé Upswitch Media Corp. pour des services de marketing et de relations investisseurs dans le cadre d’un contrat de 30 jours d’une valeur de 500 000 dollars.

Star Copper (OTCQX:STCUF) hat bedeutende Fortschritte in seinem laufenden Bohrprogramm beim Star-Projekt in der Golden Triangle-Region von British Columbia gemeldet. Das Unternehmen hat Bohrloch C (S-052) abgeschlossen und eine rekordverdächtige Tiefe von 674 m erreicht, was das bisher tiefste Bohrloch auf dem Gelände darstellt.

Die Bohrkampagne, die darauf ausgelegt ist, sowohl die laterale als auch die vertikale Kontinuität mineralisierter Zonen zu testen, hat drei von sechs geplanten Bohrlöchern in einem 4.000-Meter-Programm abgeschlossen. Bohrloch C bestätigte eine konstante Chalkopyrit-Mineralisierung, erweiterte den nördlichen Supergen-Kupferbereich und stärkte die Verbindung zwischen potassischer Alteration, Störungsarchitektur und erhöhtem Chalkopyrit-Gehalt bei Star Main.

Zusätzlich hat Star Copper Upswitch Media Corp. für Marketing- und Investor-Relations-Dienstleistungen in einem 30-Tage-Vertrag im Wert von 500.000 USD engagiert.

Positive
  • Discovery of consistent chalcopyrite mineralization and copper continuity at depth
  • Successful completion of deepest drill hole (674m) to date on Star property
  • Extended Multi-Year Area-Based permits allowing for up to 200 holes and 5km of roads
  • Fully funded exploration campaign with over $10 million in prior drilling investments
Negative
  • Significant marketing expense ($500,000) for short-term 30-day contract
  • Assay results still pending for completed drill holes

Completion of Hole C marks deepest drilled depth to-date

VANCOUVER, BC / / July 29, 2025 / Star Copper Corp. (CSE:STCU)(OTCQX:STCUF)(FWB:SOP) ("Star Copper" or the "Company"), a critical minerals exploration and development company, is pleased to summarize the latest activity at the ongoing drill program at its flagship Star Project located within the Golden Triangle of British Columbia. Recognized as one of the most geologically endowed regions in the province, this fully funded campaign is focused on expanding the existing discovery across the Star Project.

Company CEO Darryl Jones notes, "Our exploration team have advised us that together with results from Hole A (S-050), and copper-gold grades in historic holes (e.g., S-037), that the recently completed Hole C builds confidence in the continuity of copper mineralization at depth and supports the presence of a robust porphyry Cu (±Au) system across the broader deposit."

The 2025 drill campaign has been designed to test both the lateral and vertical continuity of mineralized zones previously identified from over $10 million in prior drilling and exploration campaigns. Drilling encompasses targets identified as near-surface oxide zones, deep porphyry-style mineralization, and structures associated with the "Star Fault" and "Dick Creek Fault." The Company is investigating beyond previously drilled depths and is nearing the midway point of up to 4,000 meters of drilling across six primary drill holes (Holes A-F) with holes A, B and C now complete with select samples regularly being prepped and transported for assaying.

The Company has recently completed the drilling of Hole C (S-052) which was positioned ~100 metres north of Hole A (S-050), and 50 metres north of Hole B (S-051) to step out and verify copper continuity in the near-surface quartz monzodiorite. The hole further tested the Star Fault (~275m) and deeper high-grade gold intervals intersected in historic hole S-037 (12m @2.33g/t at 650m - 339712mE 6458422mN 000/-90).

From surface to 70m, the hole remains largely within quartz monzodiorite, where pervasive oxidation and malachite-azurite coatings overprinting chalcopyrite forming a supergene zone similar to that seen in S-050. Below the oxide cap, primary chalcopyrite mineralization occurs as disseminations and within quartz-sulphide veinlets, with elevated chalcopyrite percentages up to 1% associated with potassic (K-feldspar) alteration halos and localized vein-breccia zones (See Figure 1).

Figure 1-Hole C (S-052) at 34.9m. Star Copper 2025

The Star Fault was intersected from 255-276m, where gouge/clay-rich fault material influences structural control on mineralization. From ~350-550m, additional chalcopyrite mineralization was discontinuously encountered in association with strong silicification and brecciation within an alternating sequence of lithic tuff, cherty laminated sediments, and intrusive porphyry units.

Hole C (S-052) represents the deepest drillhole to date on the Star property, reaching a total depth of 674m in a plagioclase phyric andesite (See Figure 2).

Figure 2-Hole C (S-052) at 420.18m. Star Copper 2025

Overall, Hole C (S-052) confirms consistent chalcopyrite mineralization within the quartz monzodiorite phase above the Star fault, extends the northern supergene copper footprint, and strengthens the link between potassic alteration, fault architecture, and elevated chalcopyrite tenor at Star Main.

Table 1 - Star 2025 Collar Table UTM 9N

Hole_ID

UTM_E

UTM_N

ELEV_M

AZIMUTH

DIP

Depth

S_050

339834

6458308

1124

270

-85

101

S_051

339770

6458307

1120

235

-85

539

S_052

339850

6458406

1153

240

-83

674

"We have 3 more holes to go while our surface fieldwork remains ongoing," notes Company CEO Jones. The overall work-to-date continues to build increasing certainty for a significant deposit at Star. As assay results are provided in the coming weeks, we look forward to advancing towards our goal for a regulatory compliant valuation of the entire project. Continued drilling in upcoming campaigns is now possible through our recently extended Multi-Year Area-Based (MYAB) exploration permits which allow for up to 200 holes, 5km of roads, and continued trenching and surface work across the property. The net result of all this effort should positively impact the Company's ability to source future capital to continue building shareholder value at this exciting project."

Marketing Update

Additionally, the Company is pleased to announce that it entered into an updated consulting services agreement dated effective as of June 28, 2025, with Upswitch Media Corp. ("Upswitch") to provide the Company with certain marketing and investor relations services to expand awareness of the Company's business and to communicate with the investment community.

The services may include, among other things, engaging copywriters, designing ad content and campaigns promoting the Company, providing translation services, onboarding ad campaigns with publishers, tracking, organizing and executing the services through testing and analytic studies. The services will be provided and disseminated through a variety of news and investment community on-line communications channels and may further include print publications where applicable. Upswitch will commence providing the services immediately for an initial term of 30 days. In consideration of the services, and pursuant to the terms and conditions of the agreement, the Company has agreed to pay Upswitch an aggregate fee of $500,000.

Jeff Gillis, the principal of Upswitch, is located at 2709B 43rd Ave., Suite 1013, in the city of Vernon in the province of British Columbia and will act as primary representative and service coordinator. Mr. Gillis may be contacted at 1-604-373-5875 and [email protected]. To the best of the Company's knowledge, Upswitch and Mr. Gillis do not currently own securities in the capital of the Company

Qualified Person

Jeremy Hanson, P. Geo., a Qualified Person as that term is defined under NI 43-101, is an independent contractor of the Company and has reviewed and approved the technical aspects of this news release.

On Behalf of the Board of Directors

~Darryl Jones~

Darryl Jones
CEO, President & Director
Star Copper Corp.

About Star Copper Corp. (CSE:STCU)(OTCQX:STCUF)(FWB: SOP / WKN A416ME)

Star Copper Corp. is an exploration and development company focused on developing high-potential copper projects in mining-friendly jurisdictions. The Company aims to advance its British Columbian flagship Star Project where significant exploration work including historical drilling has confirmed open mineralization at depth and in all directions. Star Copper's strategic plans include geological mapping and geophysical surveys to refine existing targets,diamond drilling programs to test high-priority zones, environmental baseline studies and permitting groundwork alongside data analysis and resource modeling to support a future resource estimate prepared in accordance with NI 43-101. The Company further plans to advance its Indata Project with follow-up drilling to expand on previous high-grade copper and gold intercepts, trenching and surface sampling to delineate mineralized zones, and infrastructure improvements for site accessibility and operations. With a commitment to sustainable development and value creation, Star Copper aims to position itself to support surging industrial demand to meet growing global electrification needs.

For more information visit: and to sign up for free news alerts please go to or follow us on or More information in respect of the project, including historical drilling, is available under the Company's profile at and/or in the Company's February 26, 2025 technical report.

Investor Relations Star Copper Corp.

Email: [email protected]
Web:

Cautionary Note Regarding Forward-Looking Statements

This news release contains forward-looking statements and other statements that are not historical facts. Forward-looking statements are often identified by terms such as "will", "may", "should", "anticipate", "expects" and similar expressions. All statements other than statements of historical fact, included in this news release are forward-looking statements that involve risks and uncertainties. Forward-looking statements in this press release include, but are not limited to, statements regarding exploration of the Company's flagship Star Project and the potential thereof. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from the Company's expectations include, but are not limited to, the early stage nature of the Star Project, the inherently unpredictable nature of resource exploration, market conditions and the risks detailed from time to time in the filings made by the Company with securities regulators. The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of the Company. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect, and actual results may differ materially from those anticipated. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement. The forward-looking statements contained in this news release are made as of the date of this news release and the Company will update or revise publicly any of the included forward- looking statements as expressly required by applicable law.

SOURCE: Star Copper Corp.



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FAQ

What are the latest drilling results from Star Copper's (STCUF) Star Project in July 2025?

Star Copper completed Hole C (S-052), reaching a depth of 674m, confirming consistent chalcopyrite mineralization and extending the northern supergene copper footprint. The hole was positioned ~100 metres north of Hole A and showed copper mineralization from surface to 70m.

How many drill holes has Star Copper (STCUF) completed in its 2025 drilling program?

Star Copper has completed three holes (A, B, and C) out of six planned holes in its 4,000-meter drilling program at the Star Project.

What permits does Star Copper (STCUF) have for future exploration?

Star Copper has obtained extended Multi-Year Area-Based (MYAB) exploration permits that allow for up to 200 holes, 5km of roads, and continued trenching and surface work across the property.

How much did Star Copper (STCUF) invest in previous drilling campaigns?

Star Copper has invested over $10 million in prior drilling and exploration campaigns at the Star Project.

What marketing agreement did Star Copper (STCUF) announce in July 2025?

Star Copper entered into a 30-day consulting services agreement with Upswitch Media Corp. for marketing and investor relations services, with an aggregate fee of $500,000.
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