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Dakota Gold Intersects High-Grade Gold Mineralization in Expansion Drilling at Richmond Hill

Lead, South Dakota--(Newsfile Corp. - November 19, 2025) - Dakota Gold Corp. (NYSE American: DC) ("Dakota Gold" or the "Company") is pleased to report assay res

articleDakota Gold Corp.November 19, 20255/company/dakota-gold-corp/news/dakota-gold-intersects-high-grade-gold-mineralization-in-expansion-drilling-at-richmond-hill
Dakota Gold Intersects High-Grade Gold Mineralization in Expansion Drilling at Richmond Hill

About this update from Dakota Gold Corp.

[{"type":"text","content":" Lead, South Dakota--(Newsfile Corp. - November 19, 2025) - Dakota Gold Corp. (NYSE American: DC) (\"Dakota Gold\" or the \"Company\") is pleased to report assay results from 26 drill holes completed as part of its ongoing 2025 drilling campaign at the Richmond Hill Oxide Heap Leach Gold Project (\"Richmond Hill\" or the \"Project\"). These results include the first assays from expansion drilling in the northeast corner of the Project. Drilling continues to confirm high-grade gold mineralization in the northern portion of Richmond Hill, supporting the Company's plan to prioritize initial mining in this area. Dakota Gold currently has two drills operating on site and expects to complete approximately 27,500 meters (~90,000 feet) of drilling during the 2025 campaign. Highlights from this update include: Expansion and infill drill holes in the northeastern corner of the Project area are intersecting significantly higher-grade gold than the average resource grade including RH25C-278 intersecting 1.75 grams per tonne gold (g/t Au) over 19.9 meters (35 gram meters) and RH25C-295 intersecting 2.15 g/t Au over 30.0 meters (65 gram meters). The expansion drilling surrounding the area has the potential to add to the resource based on prior drilling and current resources in the area. The mineralization in the northeast is only limited by drilling and remains open. Metallurgical drill holes across the northern Project area continue to intercept high-grade gold, de-risking the Project and providing greater confidence in the resource including RH25C-270 intersecting 2.26 g/t Au over 29.2 meters (66 gram meters) and RH25C-288 intersecting 4.15 g/t Au over 14.5 meters (60 gram meters). The metallurgical drilling results demonstrate the low-risk nature of the deposit with widespread mineralization. \"The drill results announced today continue to validate the scale and quality of Richmond Hill, which hosts one of the largest undeveloped heap leach gold resources in the United States\" said Jack Henris, President and COO of Dakota Gold. \"The continuity and pervasive nature of the near surface deposit support a project that is low-cost, long-life, and delivers high-margins, as highlighted in our Initial Assessment with Cash Flow earlier this year. With metallurgical drilling for the 2025 campaign now complete, we are advancing heap leach column te...

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