Northisle Commences Trading on the OTCQX Market Under the Symbol NTCPF

Vancouver, B.C. – Northisle Copper and Gold Inc. (TSX-V: NCX) (“Northisle” or the “Company”) is pleased to announce that, effective today, the Company’s common shares will commence trading on the OTCQX® Best Market (“OTCQX”) under the symbol NTCPF. Northisle maintains its primary listing on the TSX Venture Exchange under the symbol “NCX”. Sam Lee, President & CEO stated “We are excited to begin trading on OTCQX, which will provide greater accessibility and visibility for Northisle among U.S. investors as we continue advancing our compelling North Island copper-gold project. With a recently completed PEA outlining a C$2.0 billion after-tax NPV and a 29% IRR, and a 2025 exploration program already underway targeting higher-margin zones and new porphyry centers, Northisle is at an inflection point. Our focus on responsible development, stakeholder engagement, and district-scale opportunity in a tier-one jurisdiction positions us to deliver long-term value. We look forward to welcoming new shareholders to participate in this exciting phase of growth.”