• Dakota Gold reported new drill assays from its Richmond Hill oxide heap leach gold project in South Dakota, supporting resource expansion ahead of a 2H 2026 PFS.
• Step-out holes north of the measured and indicated boundary hit 5.24 g/t gold over 13.5 meters, including 12.15 g/t over 1.8 meters.
• Another expansion hole returned 3.33 g/t gold over 20.9 meters; results exceed the 0.566 g/t average grade used in the July 2025 mine plan.
• 2026 campaign totals 17,273 meters across 112 holes; 16,390 meters in 104 holes completed, with drilling slated to finish in June.
• Assays from more than 350 holes across 2025-2026 drilling will feed an updated resource estimate, mine plan refinement, and the pre-feasibility study.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Dakota Gold Corporation published the original content used to generate this news brief via Newsfile (Ref. ID: 202606110630NEWSFILECNPR____20260611_300954_1) on June 11, 2026, and is solely responsible for the information contained therein.