Mr. Ian Klassen reports

GRANDE PORTAGE RESOURCES UPGRADES TO OTCQX BEST MARKET

Grande Portage Resources Ltd. has qualified to trade on the OTCQX Best Market, operated by OTC Markets Group Inc. The company upgraded to OTCQX from the OTCQB Venture Market.

Grande Portage Resources' common shares begin trading today on OTCQX under the symbol GPTRF. U.S. investors can find current financial disclosure and real-time Level 2 quotes for the company on the OTC Markets website.

Trading on the OTCQX market offers companies efficient, cost-effective access to the U.S. capital markets. For companies listed on a qualified international exchange, streamlined market standards enable them to utilize their home market reporting to make their information available in the U.S. To qualify for OTCQX, companies must meet high financial standards, follow best practice corporate governance and demonstrate compliance with applicable securities laws.

Ian Klassen, the company's president and chief executive officer, reflected: "We are delighted to upgrade to the OTCQX Best Market, which mirrors our commitment to strong corporate governance, transparency and engagement with our growing U.S. investor base. This development enhances Grande Portage's visibility and accessibility for U.S. investors, and supports our capital markets strategy to broaden our base within the U.S. marketplace as we continue to advance the high-grade New Amalga gold deposit in SE Alaska."

Share purchase warrant exercise

The company is pleased to announce that shareholders have recently exercised 100 per cent of the available allocation of 5.55 million common share purchase warrants at an exercise price of 30 cents, having an expiry date of May 10, 2026. This exercise added a further $1.65-million into the treasury. Proceeds from the exercise will be applied toward the company's numerous field programs, adding to the technical team in southeastern Alaska, and for general corporate purposes.

Mr. Klassen further commented: "We continue to be very appreciative of our long-standing and supportive shareholders. The exercise of these warrants further strengthens Grande Portage's financial position and supports the company during a very busy year."

About Grande Portage Resources Ltd.

Grande Portage is a publicly traded mineral exploration company focused on advancing the New Amalga mine project and the outgrowth of the Herbert gold discovery situated approximately 25 kilometres north of Juneau, Alaska. The company holds a 100-per-cent interest in the New Amalga property. The New Amalga gold system is open to length and depth, and is host to at least six main composite vein-fault structures that contain ribbon structure quartz sulphide veins. The project lies prominently within the 160-kilometre-long Juneau gold belt, which has produced over eight million ounces of gold.

The company's updated National Instrument 43-101 mineral resource estimate reported at a base-case mineral resources cut-off grade of 2.5 grams per tonne gold and consists of: an indicated resource of 1,438,500 ounces of gold at an average grade of 9.47 g/t Au (4,726,000 tonnes); and an inferred resource of 515,700 ounces of gold at an average grade of 8.85 g/t Au (1,813,000 tonnes), as well as an indicated resource of 891,600 ounces of silver at an average grade of 5.86 g/t Ag (4,726,000 tonnes); and an inferred resource of 390,600 ounces of silver at an average grade of 7.33 g/t silver (1,813,000 tonnes). The MRE was prepared by Dr. David R. Webb, PhD, PGeol, PEng (DRW Geological Consultants Ltd.), with an effective date of July 17, 2024.

We seek Safe Harbor.