Great Atlantic Resources Partner Discovers New Blind Massive Sulphide Lens at Optioned Pilley's Island Project

About this update from Great Atlantic Resources Corp.

Great Atlantic Resources Partner Discovers New Blind Massive Sulphide Lens at Optioned Pilley's Island ProjectNorth-Central NewfoundlandVancouver, British Columbia--(Newsfile Corp. - June 29, 2026) - GREAT ATLANTIC RESOURCES CORP. (TSXV: GR) (the "Company" or "Great Atlantic") is pleased to provide an update on diamond drilling by HM Exploration Corp. ("HM Exploration") at Great Atlantic's Pilley's Island Project at Pilley's Island, north-central Newfoundland. HM Exploration holds an option to earn a 100% interest in the project. HM Exploration has provided an update for the sixth to eighth drill holes (PI-26-006 to PI-26-008) completed this year at the project (see HM Exploration news release of June 29th, 2026). The three holes were all drilled within the area of Great Atlantic's Pilley's Island Project.Figure 1 (by HM Exploration): Drill core (upper zone) in hole PI-26-008 from 16.12 - 24.78m downhole. Detailed photo from core box, outlined in blue, highlighting sections of massive chalcopyrite + Pyrite sulphide mineralization. See Table 2 for visual descriptions.To view an enhanced version of this graphic, please visit:https://images.newsfilecorp.com/files/3027/303333_6326e2eef4cf7ba9_002full.jpg"HM Exploration's reported discovery of a new blind massive sulphide lens represents another positive step in advancing the Pilley's Island Project," states Anderson, CEO of Great Atlantic. "This development continues to highlight the property's potential and reinforces the value of our project portfolio. We look forward to further results of the ongoing drill program and updates as more work continues on the property."HM Exploration states that hole nos. PI-26-006 to PI-26-008 represent an additional 544.27 metres for a total drilled meterage of 1,632.27m of a planned minimum 2,500 metres of diamond drilling. HM Exploration refers to their project area as the Lewis Pilley's Project (the "Project").Highlights for holes PI-26-006 to PI-26-008 as stated by HM Exploration include:Holes six, seven, and eight have successfully intersected massive sulphide including a new blind discovery of massive sulphide mineralization at a drill core depth of ~155 m. See additional pictures of drill core below.Multiple mineralized intervals encountered displaying varying types of mineralization ranging from disseminated – semi-massive – massive sulphide, ...

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