Altamira Gold Drills 130m @ 0.5g/t Gold in Step-Out Hole 110m North of the Maria Bonita Mineral Resource, Within the Cajueiro District, Brazil

Vancouver, British Columbia--(Newsfile Corp. - May 20, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF), ("Altamira" or the "Company") is pleased to report assay results from a second recent exploration diamond drill hole outside the Maria Bonita mineral resource. Highlights: Scout drill hole MBA037 intersected a wide interval of gold mineralization within porphyritic and tuffaceous host rocks and is located 110m north of the edge of the current Maria Bonita mineral resource.