Omai Gold Intersects High-Grade Gold in Resource Expansion Drilling at Wenot

07/29/2025 – 07:18 AM

Toronto, Ontario – July 29, 2025 – Omai Gold Mines Corp. (TSXV: OMG) (OTCQB: OMGGF) (“Omai Gold” or the “Company”) is turning heads with fresh results from its ongoing 2025 drill campaign. The focus? Expanding the substantial Wenot deposit at the company’s wholly-owned Omai Gold Project in Guyana, South America. The latest assays cover six holes, totaling 3,760 meters drilled. Year-to-date, Omai Gold has drilled 37 holes, a total of 20,500m, easily surpassing the originally planned 15,000m program. And there’s more: drilling is actively extending the known boundaries of gold mineralization at Wenot. Eight additional holes are awaiting results.

Meanwhile, the long hole 25ODD-122, which is drilling across the Gilt Creek deposit, is still progressing well and is expected to plunge approximately 600m below the adjacent Wenot deposit. What’s grabbing headlines?

• Hole 25ODD-119 (Figure 2)
  • 31.70 g/t Au over 7.5m (17.36 g/t Au over 7.5m capped at 70 g/t Au)
    • including 141.74 g/t Au over 1.5m
  • 1.61 g/t Au over 36.4m
    • including 3.26 g/t Au over 3.8m
  • 3.89 g/t Au over 13.2m
    • including 6.02 g/t Au over 2.5m
• Hole 25ODD-124 (Figure 3)
  • 1.76 g/t Au over 20.5m
    • including 5.46 g/t Au over 3.5m
  • 5.67 g/t Au over 4.5m
• Hole 25ODD-124W (Figure 3)
  • 2.64 g/t Au over 41.8m
    • including 9.25 g/t Au over 4.5m
  • 3.49 g/t Au over 17.4m
    • including 6.31 g/t Au over 7.4m
  • 5.66 g/t Au over 7.5m
• Hole 25ODD-121
  • 9.85 g/t Au over 2.9m
  • 13.74 g/t Au over 3.5m
  • 11.26 g/t Au over 2.0m
  • 2.64 g/t Au over 12.4m
• Hole 25ODD-120
  • 1.66 g/t Au over 37.8m
  • 2.74 g/t Au over 9.4m
  • 0.96 g/t Au over 17.2m
• Hole 25ODD-118
  • 3.10 g/t Au over 14.5m
  • 9.81 g/t Au over 2.5m

Elaine Ellingham, President & CEO, remarked, “Today’s news marks another excellent batch of drill results from the resource expansion drill program at Wenot. Highlights in hole 25ODD-119 alone include 31.70 g/t Au over 7.5m (17.36 g/t Au capped), 1.61 g/t Au over 36.4m, and 3.89 g/t Au over 13.2m. These drill results again exemplify the multiple zones we have at Wenot, with each hole testing multiple gold zones across the wide Wenot shear corridor. The Wenot shear corridor reaches widths of 350-400m in the central portion and extends at least 2.5km along strike. We are confident that the limits of the Wenot mineralization are still open for further expansion.”

Ellingham added, “With the very successful drilling over the past 18 months, we believe it is in the best interest of our shareholders to update the Mineral Resource Estimate. Our Wenot mantra over the past year has been simple: ‘How Big Is It?’. The 2024-25 Wenot resource expansion drill program has now exceeded 33,000m and the updated Mineral Resource Estimate is underway. Focused additional drilling at Wenot will continue in support of the updated Preliminary Economic Assessment that is expected 3 to 4 months following the updated MRE.”

The company is now pivoting its drilling efforts towards earlier-stage gold targets both along strike at Wenot and on certain near-surface zones. One drill has been mobilized to our Blueberry Hill target area and a second to the Camp Zone. The objective is to identify and quantify near-surface economic satellite deposits that could contribute to early mining. Concurrent with the shift, the company’s hole 25ODD-122, targeting both the Gilt Creek deposit and the Wenot depth potential, continues to progress well, and recently passed the 1,550m downhole mark. Drilling has been slow but steady.

Details on the currently reported holes are as follows:

Hole 25ODD-119, drilled from the north side of Wenot approximately 50m west of holes 24ODD-092 and 25ODD-101, intersected nine gold zones, with the best ones being 3.57 g/t Au over 5.4m, 3.89 g/t Au over 13.2m (including 21.9 g/t Au over 1.2m) and 31.70 g/t Au over 7.5m (which includes 141.74 g/t Au over 1.5m).

Also significant, Hole 119 continued on to intersect 1.61 g/t Au over 36.3m (including 4.60 g/t Au over 3.0m) in the central quartz feldspar porphyry dike “CQFP”. All-in-all, hole 119 was spectacular and together with neighboring holes -092 and -101 show the very significant potential of Wenot to host wide, high-grade zones within the larger resource. Important to note that all of these intervals are below the 2024 MRE pit shell and can be expected to contribute to the upcoming MRE.

Hole 25ODD-124, drilled from the south side of Central Wenot across from Hole 25ODD-111 recently drilled from the north, and between holes 25ODD-120 & 121, intersected 5.67 g/t Au over 4.5m in the very persistent Southern Porphyry Dike (SPOR), a unit that can be traced the full strike essentially marking the southern extent of the main Wenot Shear Corridor. Hole 104 then was sampled through the Dike Corridor where it intersected 1.76 g/t Au over 20.5m, 0.54 g/t Au over 12.0m, and 0.70 g/t Au over 9.9m.

Hole 25ODD-124 was wedged at 350m downhole in order to drill an up-dip gap area approximately 50-75m from the impressive 68.7m interval grading 3.16 g/t Au from hole 24ODD-085. The wedged Hole -124W went on to intersect the CQFP which assayed 3.49 g/t Au over 17.4m, including 6.31 g/t Au over 7.4m. Further downhole, the hole intersected 5.66 g/t Au over 7.5m and 2.64 g/t Au over 41.8m, including 9.25 g/t Au over 4.5m, and 0.76 g/t Au over 15.5m, starting at a vertical depth of 375m from surface and approximately 100m below the 2024 PEA pit shell. The nearby Hole 124 intersected equivalent zones within the Dike Corridor, including 1.76 g/t Au over 20.5m.

Hole 25ODD-120 was drilled from the north side of Central Wenot. It intersected at least 6 intervals of gold mineralization within the Dike Corridor and although a 68m interval was not intersected, the downdip extension did intersect 2.74 g/t Au over 9.4m, 9.29 g/t Au over 1.7m, 1.26 g/t Au over 11.0m, and 1.66 g/t Au over 37.8m.

Hole 25ODD-121 was drilled from the north side of Central Wenot. Hole 25ODD-121 intersected several intervals of gold mineralization approximately 100m below Hole 21ODD-025, including 9.85 g/t Au over 2.9m and 13.74 g/t Au over 3.5m,11.26 g/t Au over 2.0m and other minor zones. Hole 121 then intersected 2.64 g/t Au over 12.4m at the CQFP at a vertical depth of 400m from surface, approximately 150m below the 2024 PEA pit shell. Further downhole, 3.30 g/t Au over 5.3m was intersected within the southern sediments.

Hole 25ODD-118 was drilled about ½ km east from the above holes, from the north side towards the eastern end of Wenot, in an area less drilled. At a relatively shallow vertical depth of approximately 200m, Hole 25ODD-118 intersected 1.23 g/t Au over 10.5m. Further downhole, the CQFP hosted various intervals of gold mineralization including 0.55 g/t Au over 6.0m and 1.43 g/t Au over 6.0m. In the southern sedimentary sequence, the hole intersected 3.10 g/t Au over 14.5m, 5.2 g/t Au over 2.4m and then bottomed in 9.81 g/t Au over 2.5m, at a vertical depth of approximately 450m.

Table 1. Recent Wenot Drill Results*

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