Enduro Metals Commences First-Ever Drill Program at the Andrei Copper-Gold Porphyry Target Golden Triangle Region, British Columbia

About this update from Enduro Metals Corporation

Vancouver, British Columbia--(Newsfile Corp. - June 29, 2026) - Enduro Metals Corporation (TSXV: ENDR) ("Enduro", "Enduro Metals" or the "Company") is pleased to announce that drilling has commenced at the Andrei copper-gold porphyry target, located within the Company's 100%-owned Newmont Lake Project in British Columbia's Golden Triangle. (figure 1) Enduro's 2026 Phase One exploration program will include a total of approximately 3,000 metres of diamond drilling at Andrei, as set out in the Company's press release dated June 22, 2026. This inaugural drill program targets an open-ended 4-kilometre combined chargeability and magnetic anomaly, part of a larger 14 kilometre magnetic-high trend. A secondary component of the work program will include extending the induced polarization survey to the north-east along the magnetic trend. "We are pleased to have commenced our 2026 exploration program on schedule, with Phase One drilling now underway at the Andrei target," said Rob Cameron, CEO. "This initial 3,000-metre program is designed to test a high-potential copper-gold porphyry target that has never previously been drilled. Andrei represents one of the most compelling untested opportunities on the 688 km² Newmont Lake Property, not only because of its geological potential, but also because of its highly advantageous location at low elevation with straightforward access from the Galore Creek mine road. We look forward to advancing this initial drill program and updating the market as the program progresses." Figure 1: Location Map To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/6406/303235_f56b4b5f04e9d8c2_001full.jpg About the Andrei Target The Andrei target is a large, newly recognized, undrilled porphyry copper-gold target located in the northern sector of the Newmont Lake Project. Andrei occupies one of the most favourable locations on the 688 km² property, being situated at low elevation with straightforward future access potential from the nearby Galore Creek mine road. The target is defined by widespread copper mineralization in outcrop on the flanks of the main Andrei ridge, coincident magnetic and chargeability anomalies, and a dense network of potassic-altered monzonite dikes and plugs, interpreted to be correlated to the Red Chris intrusive suite, which intrudes basalt and andesite volcanic rocks of ...

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