Mr. Jeffrey Ackert reports

CASCADE COPPER ANNOUNCES SAMPLE RESULTS OF UP TO 11.35% CU AND 1.55 G/T AU AT THE COPPER PLATEAU PORPHYRY PROJECT IN SOUTH-CENTRAL BC

Cascade Copper Corp. has released results from a reconnaissance sampling and hyperspectral program at its 90-per-cent-owned, 2,789-hectare Copper Plateau porphyry project located in south-central British Columbia, Canada. The results indicate a well-mineralized and altered system indicative of a copper-, gold-, silver- and molybdenum-enriched porphyry.

Shannon Baird, Cascade's vice-president of exploration, remarks: "I am quite enthused that the results of this preliminary program confirm a well-mineralized and altered porphyry system. Although outcrop was not abundant, those that were exposed have returned exceptional results. These results give the company the confidence to move forward now knowing that the porphyry mineralization at Copper Plateau is well developed and has much room for expansion. We hope to drill at this project in 2024."

Project location

The Copper Plateau porphyry project is located in Southern British Columbia, between Penticton and Princeton. It is situated south of the former Brenda copper mine, which produced 177 million tonnes of ore grading 0.169 per cent Cu and 0.043 per cent Mo between 1970 and 1990. The geological setting is within the Quesnel terrane which hosts Copper Mountain (1.13 billion tonnes at 0.22 per cent Cu, 0.09 gram per tonne Au and 0.64 g/t Ag) about 40 kilometres southwest of Copper Plateau and Teck's Highland Valley copper mine (measured and indicated 1.2 Bt at 0.28 per cent Cu and 0.009 per cent Mo). Kodiak Copper's MPD project lies 40 km west of the project.

2023 program highlights

The 2023 program included reconnaissance prospecting, mapping, sampling and hyperspectral analysis of samples. A total of 19 rock samples from outcrop and 10 samples of core were analyzed with a TerraSpec 3 instrument. A total of five grab samples were sent to ALS Minerals in North Vancouver for multielement analysis. The highlight of the grab sampling was sample A0284675, which was of a newly discovered and previously unsampled, at least 30-centimetre-wide quartz vein within a granodiorite with intergrown net texture chalcopyrite (30 per cent), black with bluish incandescence chalcocite (20 per cent) and Mo on fractures perpendicular to trend of the vein. The wallrock also contains disseminated chalcopyrite and limonite iron-oxide alteration.

The results of the hyperspectral analysis and field observations indicate a well-defined alteration zonation with a central zone covering the location of a number of the historic drill holes. The potassic central area that is indicative of a higher-temperature core of a porphyry system was determined by field observations, while the argillic, propylitic and smectite alteration halos were defined by TerraSpec 3 analysis.

Further field observations from the program also identified the Copper Plateau granitoid as a multiphased granite to granodiorite intrusive that is hosted within a large, regional and distinct potassium feldspar megacrystic granite. The Copper Plateau granitoid shows variations of biotite, hornblende and magnetite content. Veining within the granitoid includes chlorite and magnetite veins, quartz sulphide veins as stringers, and dense quartz stockwork.

What does it mean?

The program results show the existence of a zoned porphyry system at Copper Plateau that has significant copper, gold, silver and molybdenum values that are consistent with other British Columbia copper porphyry systems. This information allows the company to confidently plan a follow-up exploration program to test the extents of the subsurface mineralization. With the review of historic work, including soil samples, 3-D induced polarization (IP) surveys and airborne magnetics that build on the copper porphyry model, the company is planning more work in 2024. This will include relogging and hyperspectral analysis of the historic core that has been secured at a facility in Cranbrook, B.C., and a preliminary drill program to test the depth and width extents of the expected mineralization at Copper Plateau.

Sample analysis procedure

All rock samples collected were submitted to ALS Canada Ltd. at its North Vancouver, B.C., facility for preparation and analysis. ALS meets all requirements of international standards ISO/IEC 17025:2005 and ISO 9001:2015 for analytical procedures. Each sample had a small representative reference sample split out for storage while the remaining bulk was photographed, tagged and bagged for analysis. Samples were analyzed using ALS's 30-gram fire assay fusion method (Au-ICP21) with an inductively coupled plasma atomic emission spectroscopy finish for gold and by a 48-element four-acid digest inductively coupled plasma mass spectrometry analysis (ME-MS61) with additional analysis for ore-grade elements (ME-OG62) and ore-grade Cu (Cu-OG62). Results were reported in parts per million (ppm) and converted to percentage, or grams per tonne (g/t) when applicable.

The qualified person responsible for the technical content of this press release is Ms. Baird, PGeo, vice-president, exploration, of Cascade Copper.

About Cascade Copper Corp.

The corporation is an exploration-stage natural resource company engaged in the evaluation, acquisition and exploration of copper-based mineral resource properties. Cascade is focused on copper and gold, porphyry, and epithermal deposits in British Columbia. Cascade's priority is to conduct exploration, including drilling on its flagship Rogers Creek property located in the Coast Mountain belt of British Columbia, 90 kilometres northeast of Vancouver, in the Southwest mining region. Cascade currently now has five projects, including the Centrefire copper project, the Copper Plateau copper-moly project, the Fire Mountain copper-gold project, the Bendor gold project and the flagship Rogers Creek copper-gold project.

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