Prospect Ridge to Execute Aggressive 2026 Exploration Program

About this update from Prospect Ridge Resources Corp.

VANCOUVER, BC / ACCESS Newswire / June 16, 2026 / Prospect Ridge Resources Corp. ("Prospect Ridge" or the "Company") (CSE:PRR)(OTCQB:PRRSF)(FRA:OED) is advancing a catalyst-rich 2026 exploration season with discovery drill programs planned at both the Excalibur and Camelot copper-gold porphyry projects in British Columbia and target development work planned at the Castle copper-gold porphyry project in the Toodoggone (Figure 1). 2026 Exploration Program Highlights: Len Brownlie, Ph.D., President and CEO of Prospect Ridge, commented: "Prospect Ridge enters 2026 with a new team, three great projects, and exceptional momentum. Last year's programs delivered compelling copper-gold targets across multiple projects, highlighted by the discovery of a new copper-gold porphyry system at Camelot and the identification of a large-scale, multi-center target at Excalibur. With over $2.0 M of funding in place, multiple near-term drill catalysts, and a market capitalization below $6 million, we believe the Company is uniquely positioned for significant discovery-driven torque." 2026 Exploration Plans Excalibur - Large-Scale Babine Copper-Gold Porphyry Target The road-accessible, 28 km2 Excalibur tenure is located in BC's prolific Babine porphyry belt near the past-producing Huckleberry, Bell, and Granisle mines. The property hosts a compelling 1 km x 2 km chargeability and magnetic target that is coincident with a large copper-gold soil anomaly1 (Figure 2). Prospect Ridge has completed all required archaeological, wildlife, and ancillary permitting work in support of a planned 3,000-meter discovery drill program and anticipates final MYAB permit approval in the coming weeks. Camelot - Cariboo Discovery Follow-up Program In 2025, Prospect Ridge acquired a 100%2 interest in the 26 km² Camelot tenure, located near Imperial Metals' Mount Polley Mine and surrounded by the Vizsla Copper Woodjam property in the Cariboo Mining District, BC3 (Figure 3). The initial exploration program intersected what could be the edge of a new copper-gold mineralized porphyry system, with follow-up modelling defining vectors to higher temperature alteration and mineralization. CAM25-009 from the initial drill campaign returned anomalous copper and gold over a 157-metre core length grading 0.1 g/t gold and 0.1% copper starting at the top of bedrock below...

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