Vancouver, B.C. – Northisle Copper and Gold Inc. (TSX-V: NCX, OTCQX: NTCPF) (“Northisle” or the “Company”) is pleased to announce additional drill results from its infill drilling campaign at the Northwest Expo deposit. A total of 8,464 metres were drilled at Northwest Expo with the objective of upgrading Inferred resources to the Indicated category in support of the ongoing Pre-Feasibility Study at the North Island Project (the “North Island PFS”), while improving confidence in the continuity and geometry of higher-grade mineralization at Northwest Expo and extending the strike length of the mineralized footprint.

Vancouver, B.C. – Northisle Copper and Gold Inc. (TSX-V: NCX) (“Northisle” or the “Company”) is pleased to announce that it has closed the previously announced ”best efforts” offering (the “Brokered Offering”) and non-brokered private placement with Wheaton Precious Metals Corp. (the “Non-Brokered Offering” and together with the Brokered Offering, the “Offerings”) for aggregate gross proceeds of $115,003,300.

Vancouver, B.C. – Northisle Copper and Gold Inc. (TSX-V: NCX) (“Northisle” or the “Company”) is pleased to announce that concurrent to the “best efforts” offering announced on February 26, 2026 (the “Brokered Offering”), the Company will conduct a non-brokered private placement of 1,639,300 common shares of the Company (“Common Shares”) at a price of $3.05 per Common Share (the “Issue Price”) to raise $4,999,865 from Wheaton Precious Metals Corp. (the “Non-Brokered Offering” and together with the Brokered Offering, the “Offerings”).