Omai Gold drills 7.26 g/t Au over 34.8 m at Wenot, Guyana

Toronto, Ontario--(Newsfile Corp. - June 24, 2026) - Omai Gold Mines Corp. (TSXV: OMG) (OTCQB: OMGGF) (" Omai Gold " or the " Company ") is pleased to announce assay results from six additional diamond drill holes from the ongoing 50,000m drilling program at its 100% owned Omai Gold Project in Guyana, South America. The Omai Project continues to deliver impressive results. Hole 26ODD-185 in central Wenot intersected 15 discrete gold zones starting at 200m downhole with 1.63 g/t Au over 23.6m and ending 340m further downhole with 7.22 g/t Au over 2.4m.

Five rigs continue drilling at Omai. To date this year, 58 holes have been completed totalling 27,770 metres. Hole 26ODD-208, testing the depth potential of the Gilt Deposit, is progressing well having already reached a depth of 742m.

Highlights* from the recent drilling include: (refer to Table 1 for full assays and downhole depths): Hole 26ODD-185 7.26 g/t Au over 34.8m Including 19.94 g/t Au over 2.5m Including 54.05 g/t Au over 1.5m Including 9.83 g/t Au over 3.0m 15.89 g/t Au over 1.9m 1.71 g/t Au over 14.0m 2.10 g/t Au over 10.9m 7.22 g/t Au over 2.4m 2.28 g/t Au over 6.9m Hole 26ODD-183 2.96 g/t Au over 14.3m 1.57 g/t Au over 22.5m Including 3.94 g/t Au over 5.5m Hole 26ODD-184 2.47 g/t Au over 9.6m Including 6.86 g/t Au over 2.2m 3.24 g/t Au over 8.0m Elaine Ellingham, President & CEO, commented: " We are pleased to deliver more impressive results from Wenot and we expect drilling to continue through much of 2026. Work continues to progress on the Preliminary Economic Assessment ("PEA") with an estimated 4- to 6-week timeframe. The new mine plan will integrate both the Wenot open pit deposit and the adjacent intrusion-hosted underground Gilt Deposit.

The new expanded Mineral Resource Estimate for Omai announced April 14, 2026 will form the basis for the upcoming PEA. The Phase 1 metallurgical test results were provided earlier this week (new