John Hancock to join White Cliff Minerals Board

• Transformational Exploration Season Has Commenced: The 2025 program is more robust than the inaugural 2024 program, with double the budget and drill metres planned. Crews have mobilised to site with camp construction, geological mapping, IP Geophysics, and drill pad construction now underway. Drilling is anticipated to begin no later than mid-July.

• Over 3,000 meters of drilling planned at the Creek Zone, designed to investigate the extent and continuity of near-surface, high-grade and bulk-tonnage gold mineralization. Historical and recent highlight intercepts include:

• 122.53 m of 2.11 g/t Au including 1.5 of 121.0 g/t Au (CZ-24-004⁷)
• 57.95 m of 2.69 g/t Au including 19.50 m of 7.31 g/t Au (CZ-24-005⁸)
• 22.0 m of 11.7 g/t Au including 4.0 m of 61.2 g/t Au (CZ97-008⁵)

• Over 2,000 meters of drilling planned at the Finn Zone, designed to evaluate the extent and continuity of high-grade and bulk-tonnage gold mineralization. Historical highlight intercepts include:

• 35.7 m of 7.26 g/t Au including 1 m of 215.4 g/t Au (JD95-047²⁾
• 25.9 m of 6.42 g/t Au including 6.1 m of 12.8 g/t Au (JD94-015¹)
• 22.0 m of 6.32 g/t Au including 12.6 m of 10.8 g/t Au (JD12-003³)

• Project-wide exploration will also focus on drill target refinement, including:

• Over 20 line km of induced polarization (“IP“) geophysics along the newly defined 12 km long JD porphyry trend
• Over 2,000 soil samples across parts of the JD porphyry trend and the epithermal-related Finn to Creek corridor
• Over 30 days of project-wide geological mapping and prospecting

Niel Marotta, CEO of Sun Summit Minerals, commented: “We are very excited to have kicked off our 2025 exploration season at our JD project, which is fully funded by the proceeds of our recently completed private placement. The Toodoggone region in north-central British Columbia is one of the hottest mineral exploration districts in Canada, and has seen heightened corporate activity, combined with a large influx of capital. We expect plenty of news flow coming from the Toodoggone over the summer and fall, including drill results from our own aggressive 5,000 metre program.”

Figure 1. Map of the Toodoggone District showing the location of the JD Project in relation to other development and exploration projects. Data sourced from Thesis, TDG, Amarc and Centerra’s corporate websites.

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JD Exploration Program

Crews have mobilised to the Toodoggone District to commence the 2025 JD Project exploration season (Figure 1). The primary goal for 2025 multidisciplinary exploration program is to advance and expand the epithermal-related Creek and Finn gold-silver targets through a series of systematic step-out holes, and to generate and refine new priority targets across the highly-prospective 4.5 km long Finn to Creek corridor, as well as the 12 km long JD porphyry trend (Figure 2).

Figure 2. Map of the JD Project showing the broad…