Heritage Confirms Highest Ever Visible Gold Count in First Ever Structural Study - Drill Holes Planned by Brett Davis - The Melba Mine Project

TORONTO, ON – TheNewswire - August 20, 2026 – Heritage Mining Ltd. (CSE: HML FRA: Y66) (“ Heritage ” or the “ Company ”) further to its Visible Gold Occurrence in ML3800-003 Press Release dated July 29, 2026, is pleased to announce the highest visible gold count (+20 occurrences up to 2mm) in drill hole ML3800-004 within an approximate 9m-wide shear zone (True width ~6m). Visible gold was identified between the interval 45m to 54m depth in drill hole ML3800-004, at the Melba Mine Project (“Melba”). The coarse gold occurs as disseminated grains within the shear / brecciated zone. Drill holes ML3800-003 and ML3800-004 (assays pending) are the most recent holes testing an interpreted high-grade gold shoot identified by Brett Davis in his structural evaluation of the Melba vein system (Figure 1,2,3). Melba Project – Highest Ever Visible Gold Occurrences in Core (+20 VG Occurrences): Click Image To View Full Size Figure 1: ML3800-004: 9m Mineralized Shear Zone intersection (True Width ~6m) ~45m to ~54m (Box 10 and 11) Click Image To View Full Size Figure 2: ML3800-004: 49.55m – 49.75m multiple visible gold occurrences – close up “The confirmation of visible gold occurrences within a ~6m

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