Altamira Gold Corp.·Basic Materials

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.
Altamira Gold Corp. engages in the acquisition, exploration, development, and mining of mineral properties in Brazil. The company primarily explores for gold deposits. As of June 8, 2021, the company had 8 projects comprising approximately 190,000 hectares within the prolific Juruena gold belt. Its principal project is the Cajueiro Project that covers an area of approximately 28,557 hectares located in the Alta Floresta belt. The company was formerly known as Equitas Resources Corp. and changed its name to Altamira Gold Corp. in April 2017. Altamira Gold Corp. was incorporated in 1994 and is headquartered in Vancouver, Canada.