Mr. Jevin Werbes reports

DISTRICT COPPER RECEIVES GOVERNMENT APPROVAL AND CONTRACTS QUANTEC GEOSCIENCE FOR DCIP SURVEY AT FLAGSHIP COPPER KEG PORPHYRY COPPER PROJECT

District Copper Corp. has received approval from the B.C. Ministry of Mining and Critical Minerals to proceed with a deep penetrating DCIP (DC induced polarization) geophysical survey on its 100-per-cent-owned Copper Keg porphyry copper project in the Kamloops mining division, British Columbia. The company has contracted Quantec Geoscience to complete the survey using its Titan DCIP system. The field program is anticipated to be completed in the third quarter of 2026.

Management commentary

Jevin Werbes, chief executive officer, commented: "Receiving permit approval and contracting Quantec to mobilize represents the most significant milestone in Copper Keg's history. Our 2025 mineralogical work confirmed what we have long suspected: that the alteration patterns, intrusive breccias and geochemical signatures at Copper Keg are consistent with a buried porphyry copper system hosted in the same intrusive phases responsible for the deposits at Highland Valley. The upcoming DCIP survey is designed to map the dimensions of that system and define drill targets on a property that has been recognized as prospective since the 1890s but has never been tested by modern drilling. With Getty Copper actively drilling the same district to our south and Teck investing billions to extend Highland Valley through 2046, the geological and economic case for advancing Copper Keg has never been stronger. We look forward to providing shareholders with results as the program progresses through the summer."

Survey objectives

The planned survey will cover 14.5 line kilometres over two priority porphyry copper targets at the northern end of the Copper Keg project. The program is designed to delineate and extend the open-ended chargeability anomaly identified during the company's 2021 DCIP survey, which was interpreted as one or more deep intrusive bodies underlying the project's extensively altered and mineralized gossan zone.

Mineralogical and petrographic work completed during the 2025 field season confirmed the presence of potassic, propylitic and phyllic alteration assemblages, intrusive breccias, and multiple phases of high-temperature hydrothermal activity consistent with a buried porphyry copper system at depth. Whole rock and trace element geochemistry identified outcrops exhibiting geochemical signatures matching the Bethsaida and Skeena intrusive phases of the Guichon Creek batholith, the same late-stage intrusives that host the porphyry copper deposits at Teck Resources' Highland Valley Copper operation approximately 20 km to the south.

The integration of the DCIP survey results with the company's existing geological, geochemical and geophysical datasets will form the basis for drill target definition and the commencement of the drill permitting process, advancing Copper Keg toward its first-ever diamond drill program.

About Copper Keg

The Copper Keg project comprises 22 claims totaling 6,158 hectares at the northern end of the Guichon Creek batholith, the same intrusive complex that hosts every major porphyry copper deposit in the Highland Valley district. The project benefits from excellent infrastructure with power, gas and rail access, located within the Kamloops Mining Division, a few hours' drive from the regional centre of Kelowna.

Historical exploration at Copper Keg dates back to the late 1800s.

From 2021 to 2025, District Copper completed systematic exploration programs including DCIP geophysics, a high-sensitivity airborne magnetometer and radiometric survey, soil sampling, rock sampling, detailed geological mapping, petrographic studies, and whole rock and trace element geochemistry, establishing a comprehensive geological and geophysical database that has progressively strengthened the company's interpretation of a buried porphyry copper system at depth.

Qualified person

Chris M. Healey, PGeo, chief geologist and a director of District Copper, is the qualified person under NI 43-101 guidelines who is responsible for the technical content of this release and approves its release.

About District Copper Corp.

District Copper is a Canadian company engaged in the exploration for porphyry copper deposits in south-central British Columbia.

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