Banyan Gold Intersects 5.58g/t Au Over 21.7 m in New High-grade Gold Zone at the Powerline Deposit, AurMac Project, Yukon, Canada

VANCOUVER, BC / ACCESS Newswire / June 17, 2026 / Banyan Gold Corp. (the "Company" or "Banyan") (TSXV:BYN)(OTCQB:BYAGF) is pleased to announce it has intersected high-grade gold ("Au") mineralization in the Powerline Deposit ("Powerline") southwest of the main high-grade core. These diamond drill intersections highlight a new potential high-grade zone at the AurMac Project ("AurMac"), Yukon, Canada.

Highlights from New Powerline Southwest Zone:

• AX-26-853 - 13.00 g/t Au over 9.2m within 5.58 g/t Au over 21.7m, including high-grade interval of 62.66 g/t Au over 1.8m and;
  1.64 g/t Au over 11.5m within 0.70 g/t Au over 32.2m

• AX-26-842 - 0.96 g/t Au over 7.6m within 0.37 g/t Au over 33.9m

"The successful step-outs from 2025 in the southwest portion of Powerline, have defined a new potential high-grade zone (Figures 1 and 2), highlighted with drill results of 13.00 g/t Au over 9.2m, within 5.58 g/t Au over 21.7m in hole AX-26-853, including 62.66 g/t over 1.8m (see Figure 3, Table 1)," stated Tara Christie, President and CEO. "This very high-grade skarn-hosted mineralization (Figure 7) demonstrates the potential to discover and develop new mineralized zones at Powerline and AurMac in addition to high-grade domains associated with sheeted quartz veins (Figures 8 and 9). We are consistently intersecting visible gold as we are targeting high grade mineralized domains."

Figure 1: Plan Map of AurMac show distribution of diamond drillholes. Magenta holes denote this release.

Figure 2: Plan map of Powerline Southwest with drill intersection highlights from this release. MRE blocks shown are all contained in the US$3,500/oz Au conceptual pit and at a cutoff of >0.3 g/t Au. Drillholes in this release highlight potential to extend and delineate new high-grade zones in the core of Powerline Southwest (Figures 3-6).

Figure 3: Cross-section 466150mE from Powerline Southwest at AurMac. Mineralized domains are overlaid on the lithologic model. The MRE block model is constrained by mineralized domains and the lithologic domains. Mineral Resource blocks are 10m x 10m x 5m. Only blocks >0.30 g/t Au cutoff and within the US$3,500/oz Au conceptual pit shell are included in the MRE.

Figure 4: Cross-section 466250mE from Powerline Southwest at AurMac. Mineralized domains are overlaid on the lithologic model. The MRE block model is constrained by mineralized domains and the lithologic domains. Mineral Resource blocks are 10m x 10m x 5m. Only blocks >0.30 g/t Au cutoff and within the US$3,500/oz Au conceptual pit shell are included in the MRE.

Figure 5: Cross-section 466450mE from Powerline Southwest at AurMac. Mineralized domains are overlaid on the lithologic model. The MRE block model is constrained by mineralized domains and the lithologic domains. Mineral Resource blocks are 10m x 10m x 5m. Only blocks >0.30 g/t Au cutoff and within the US$3,500/oz Au conceptual pit shell are included in the MRE.

Figure 6: Cross-section 466450mE from Powerline Southwest at AurMac. Mineralized domains are overlaid on the lithologic model. The MRE block model is constrained by mineralized domains and the lithologic domains. Mineral Resource blocks are 10m x 10m x 5m. Only blocks >0.30 g/t Au cutoff and within the US$3,500/oz Au conceptual pit shell are included in the MRE.

Figure 7: High-grade gold mineralization associated with replacement-style skarn mineralization. While sheeted quartz veins are the typical host for gold mineralization at Powerline, there is potential for mineralized skarn and calcareous metasedimentary units throughout Powerline and Airstrip.

Figure 8: Mineralized sheeted quartz veins in Powerline, typical of intrusion-related gold systems and the majority of Powerline style mineralization.

Figure 9: Visible gold intersected in the majority of drillholes. Examples from: top left - AX-26-829 386.0m; top right - AX-26-830 251.6m; bottom left AX-26-830 264.8m; bottom right AX-26-842 192.8m. Visible gold is often associated with bismuth sulphosalts or accessory arsenopyrite and rarely pyrite.

Table 1: Intervals from Powerline Southwest