Grande Portage Announces Binding Commercial Offtake Agreement with C$6 Million Equity Financing and US$25 Million Construction Loan, Welcomes Ocean Partners as New Strategic Catalyst for the New Amalga Gold Project

VANCOUVER, BC / ACCESS Newswire / June 25, 2026 / Grande Portage Resources Ltd. (TSXV:GPG)(OTCQX:GPTRF)(FSE:GPB) ("Grande Portage" or the "Company") is pleased to announce that Ocean Partners UK Limited ("Ocean Partners") has entered into binding term sheets with Grande Portage to provide a commercial offtake agreement, equity, and make available a construction loan and overrun facility to assist with advancing the New Amalga Gold Project (the "Project"). This partnership presents Grande Portage with greater certainty and flexibility as the project is advanced to production.

STRATEGIC PARTNERSHIP COMPONENTS

Commercial offtake agreement for up to 100% of production for first 7 years of commercial operation.

Equity investment of $6 million at an above-market financing price.

Construction Loan and Overrun Facility of up to USD$25 million, subject to formal documentation and funding / development milestones being met.