

Vancouver, British Columbia--(Newsfile Corp. - August 25, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF), ("Altamira" or the "Company") is pleased to announce the results of four additional drill holes, MBA-040 to 043, which tested the western extension of the Maria Bonita gold porphyry system. Two of these drill holes returned wide intervals of gold mineralization, confirming the presence of a new mineralized early porphyry body, previously detected in hole MBA-036 (70.6m @ 0.5g/t gold); see press release dated May 12, 2026.

Vancouver, British Columbia--(Newsfile Corp. - August 19, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF) ("Altamira" or the "Company") is pleased to announce that it has secured surface access to the western extension of the Cajueiro exploration licenses, including the high-priority Novo Sonho target. The access commences immediately west of the Maria Bonita porphyry gold deposit and extends over an area of 58km2, of which only 5km2 has been systematically sampled to date.

Vancouver, British Columbia--(Newsfile Corp. - July 23, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF), ("Altamira" or the "Company") is pleased to report assay results from additional exploration drilling immediately to the north-west of the existing Maria Bonita gold deposit. Highlights: Two drill holes completed to the north-west and outside of the Maria Bonita gold resource have intersected wide zones of mineralized and altered rocks in both porphyry intrusive and adjacent volcanic tuff wall rocks.

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.

Vancouver, British Columbia--(Newsfile Corp. - May 12, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF) ("Altamira" or the "Company") is pleased to report assay results from an exploration diamond drill hole outside the Maria Bonita mineral resource. Highlights: Scout drilling below the western edge of the Maria Bonita mineral resource has intersected a wide interval of porphyry mineralization including an interpreted preserved portion of an early phase of the porphyry.

Vancouver, British Columbia--(Newsfile Corp. - April 7, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF), ("Altamira" or the "Company") is pleased to announce the appointment of Tavi Costa to the Board of Directors of the Company. Tavi Costa is a macro investor and mining entrepreneur, and the Founder and CEO of Azuria Capital.

Vancouver, British Columbia--(Newsfile Corp. - March 18, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF), ("Altamira" or the "Company") is pleased to report assay results from initial diamond drilling at the Guillermo target and to provide an update on ongoing exploration activities at the Maria Bonita mineral resource within its Cajueiro District, Brazil. Highlights: Initial scout drilling at the Guillermo target intersected 7 metres @ 4.2g/t gold from 111m in drill hole GLO-01, including an interval of 0.9m @ 18.1g/t gold from vein structures within sericite altered porphyritic intrusives.

Vancouver, British Columbia--(Newsfile Corp. - January 28, 2026) - Altamira Gold Corp. (TSXV: ALTA) (FSE: T6UP) (OTCQB: EQTRF) ("Altamira" or the "Company"), is pleased to report assay results from recent resource-extension drilling at the Cajueiro Central project, Brazil. Highlights: The first five diamond drillholes targeting extensions and resource infill at the Cajueiro Central mineral resource have been completed.
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