Midnight Sun Mining reports Dumbwa copper deposit width more than doubles to over 2.4 km in Northern Block

• Midnight Sun Mining reported Dumbwa’s Northern Block mineralization in Zambia exceeds 2.4 kilometers in width, more than double the previously drilled corridor’s average.
• Phase Two drilling is targeting the Northern Block, where copper mineralization remains at or near surface.
• Latest assays include 0.47% copper over 31.1 meters, including 0.81% over 16 meters.
• Phase One established more than 12 kilometers of mineralized strike length; the deposit remains open to the north and south.
• Assays for about 70 drill holes remain outstanding amid laboratory delays.

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. Midnight Sun Mining Corp. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202610270630PRIMZONEFULLFEED9853780) on October 27, 2026, and is solely responsible for the information contained therein.