Star Copper Confirms Copper Creek Mineralized Zone

-2025 campaign reinforces Copper Creek as potential continuity of nested porphyry model

VANCOUVER, BC / ACCESS Newswire / November 11, 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 announce that during 2025, Star Copper advanced the Copper Creek satellite target located 2.5 km southeast of Star Main from concept to drill-ready (see Figure 1).

Foto: Accesswire

Figure 1-Copper Creek LF Oblique View Annotated. Star Copper 2025

Company CEO Darryl Jones notes "Collectively, the 2025 campaign mapping, soils sampling and first drill hole confirms continuity with historic copper mineralization and meaningfully advances Copper Creek toward identifying the porphyry-style source driving the drainage-scale anomalies. The drilling data significantly increases the overall scope of our Star Project and offers intriguing early indications of a regional large scale copper deposit. We are compiling results from the 2025 fieldwork and look forward to reporting the assay results from drill hole CC-25-001 as well as the related sampling which is sure to have an interesting and potentially very positive impact on our plans for 2026 with the aim to extend confirmatory drilling on the Copper Creek target."

During the 2025 campaign, work at the Copper Creek target included establishing trail access from Star Main, completing a 32-sample soil grid over a strong IP chargeability high in the upper Copper Creek drainage, and detailed mapping with 36 rock samples within the Copper Creek gully system (see Figure 2)

Foto: Accesswire

Figure 2-Copper Creek Plan Map Nov update. Star Copper 2025

The program culminated in the first modern drill test identified as CC-25-001 (341181E, 6456422N, 902 m ASL; azimuth 262°, dip -45°; total depth 151 m). This initial hole was drilled west to evaluate and characterized copper-gold mineralization reported in 1970s drilling (ARIS 80026) within a wider 550 m × 1,000 m Cu- and Au-in-soil anomaly.

Drill hole CC-25-001 intersected sequences of heavily fractured and sheared andesite lithic tuffs and dark, cherty laminated sediments, with common brecciation and zones of intense chlorite-epidote alteration (see Figure 3). As evidenced by the core photos below, the company is extremely confident that it has confirmed a new system of mineralization 2.5km away from the Star Main zone. The drill results set the stage for the 2026 campaign where the Company has already accessed the northern geophysical target in order to plan additional drilling to build out the overall project scope.