Great Atlantic Reports Bulk Sample Operational Progress and Additional Overview of Other Exploration Activities - Atlantic Canada

Vancouver, British Columbia--(Newsfile Corp. - October 14, 2025) - Great Atlantic Resources Corp. (TSXV: GR) (the "Company" or "Great Atlantic") is pleased to announce that bulk sampling and exploration activities are progressing at the Company's 100%-owned Golden Promise Property in north-central Newfoundland, Canada. The Company, in partnership with Novamera Inc., has successfully advanced the bulk sample program at the Jaclyn Main Zone. In addition to Golden Promise, Great Atlantic continues to advance several key exploration-stage assets across Newfoundland and New Brunswick, including the South Quarry Tungsten Property, McDougall Road Antimony-Gold Property, Keymet Precious Metal Property, Kagoot Brook Cobalt Property, Glenelg Gold-Antimony-Vanadium Property, Mascarene Precious Metal-Base Metal Property, and the Southwest New Brunswick Tin-Tungsten Project.

Operational Activities on Site

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We are pleased to provide an update on the bulk sample program currently underway at the Golden Promise Property, Jaclyn Main Zone. The program is being conducted and managed by our partner Novamera Inc. ("Novamera"), which has now commenced drilling the first production hole. Casing has been successfully set through the overburden, and drilling has transitioned into bedrock - marking a significant step in the program's execution.

Initial field activities included additional testing and commissioning of Novamera's proprietary Surgical Mining™ technologies, ensuring that all systems perform to design specifications and operational risks are minimized. With these processes now substantially complete, extraction of the first hole is expected to begin by the end of the week.

Novamera's field team and operating partners have demonstrated exceptional adaptability, and commitment to operational excellence throughout the commissioning phase. As the project advances into the winter season, operations are expected to continue on schedule, supported by robust planning and proactive risk management.

This milestone represents a major advancement in validating the Surgical Mining™ approach and underscores the shared commitment of Great Atlantic Resources and Novamera to innovation, performance, and the responsible development of new mining technologies that deliver value to shareholders and the broader industry.