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Omai Increases Indicated Mineral Resources to 2.1 Moz Au (2.07 g/t Au, 31.9mt) and Inferred Mineral Resources to 4.4 Moz Au (1.95 g/t Au, 69.6Mt) With Expansion of Wenot Deposit
Toronto, Ontario--(Newsfile Corp. - August 25, 2025) - Omai Gold Mines Corp. (TSXV: OMG) (OTCQB...

About this update from Omai Gold Mines Corp.
[{"type":"text","content":"Omai Increases Indicated Mineral Resources to 2.1 Moz Au (2.07 g/t Au, 31.9mt) and Inferred Mineral Resources to 4.4 Moz Au (1.95 g/t Au, 69.6Mt) With Expansion of Wenot DepositToronto, Ontario--(Newsfile Corp. - August 25, 2025) - Omai Gold Mines Corp. (TSXV: OMG) (OTCQB: OMGGF) (\"Omai Gold\" or the \"Company\") is pleased to report an updated Mineral Resource Estimate (\"MRE\") on its 100%-owned Omai Gold Property in Guyana. The MRE includes an expansion to the Wenot Deposit and incorporates the previously disclosed Gilt Creek Deposit. Most significantly, for the Wenot Mineral Resource Estimate (\"MRE\"), the Inferred MRE increased 130% to 3,717,000 oz grading 1.82 g/t Au, contained in 63.4 million tonnes (“Mt”), and the Indicated MRE increased 16% to 970,000 oz grading 1.46 g/t Au, contained in 20.7 Mt. HIGHLIGHTS: The Omai Property hosts two orogenic gold deposits: the shear-hosted Wenot Deposit and the adjacent intrusive-hosted Gilt Creek Deposit (Figure 1), with a combined updated MRE (over the February 2024 MRE) of: 2,121,000 ounces of gold (Indicated MRE), a 7% increase, averaging 2.07 g/t Au in 31.9Mt &4,382,000 ounces of gold (Inferred MRE), a 92% increase, averaging 1.95 g/t Au in 69.6MtWenot Deposit (a constrained pit and underground approach is applied) 970,000 oz of gold in 20.7Mt (Indicated), a 16% increase in ounces over the Feb 2024 MRE3,717,000 oz of gold in 63.4Mt (Inferred), a 130% increase in ounces1.46 g/t Au grade of Indicated MRE, a 1.4% decrease* 1.82 g/t Au grade of Inferred MRE, an 8.5% decrease* *Increased gold price assumption to $2,500/oz from $1,850/oz allowed cutoff lower to 0.30 g/t Au from 0.35 g/t Au, resulting in lower average grades however increased ounces ~60% above 350m depth from surface (Figure 2a) ~30% of Wenot MRE is west of the historical open pit, an area considered to be well suited to initial mining (Figure 2b) Expansion potential is evident along a minimum 2.5 km length of the host Wenot shear corridor, including within, adjacent to, below, and along strike Gilt Creek Deposit (an underground mining approach is applied) 1,151,000 ounces of gold (Indicated) averaging 3.22 g/t Au, in 11.1Mt (Feb 2024 MRE) 665,000 ounces of gold (Inferred) averaging 3.35 g/t Au, in 6.2Mt (Feb 2024 MRE) Hosted within a 500m by 300m quartz diorite intrusive \"Omai stock\" th...