PRESS RELEASE

from Banyan Gold Corp. (CVE:BYN)

Banyan Gold - Silver Discovery with New Drilling Confirming the 2021 Results of 1841.14 g/t Ag over 16.8m at AurMac, Yukon, Canada

VANCOUVER, BC / ACCESS Newswire / October 29, 2025 / Banyan Gold Corp. (the "Company" or "Banyan") (TSXV:BYN)(OTCQB:BYAGF) is pleased to announce it has intersected visible silver mineralization in the current drill program. This confirms the high-grade silver ("Ag") first drilled in 2021, near surface in the core of the Powerline Deposit ("Powerline") at its AurMac Project ("AurMac") in the prolific Tombstone Belt, Yukon, Canada.

Selected Highlights Demonstrate Potential for High-Grade Silver Zones in Core of Central Powerline:

  • AX-21-142 - 1841.14g/t Ag over 16.8 metres ("m") within 302.68g/t Ag over 103.6 m; includes 14,629g/t Ag over 1.1m and 11,828g/t Ag over 1.2m

  • AX-21-143 - 12.85 g/t Ag over 19.0m, and 20.03 g/t Ag over 4.9m, and 20.22 g/t Ag over 30.5m, within 7.93 g/t Ag over 162.3m

  • AX-21-161 - 13.10 g/t Ag over 12.5m within 10.38 g/t Ag over 18.6m

  • AX-24-542 - 4.29 g/t Ag over 7.9m, and 11.22 g/t Ag over 18.9m, and 44.69 g/t Ag over 2.1m

"We have long recognized the potential for Keno-style silver mineralization at AurMac. It is an exciting time to follow-up on these intersections from our 2021 drilling and test the potential for larger silver zones," said Tara Christie, Banyan President and CEO. "Drilling at Powerline will further define our gold deposit and at the same time also test to identify favourable structures that host high-grade silver mineralization at AurMac."

"Our drilling in the core of Powerline previously intersected discrete veins hosting high-grade silver mineralization (Figures 1 and 2) in Fe-carbonate, sphalerite, galena and instances of visible electrum (Figures 3 and 4)," stated Duncan Mackay, Vice President of Exploration. "Leveraging our database of oriented core, we are working to refine these high-grade silver targets by drilling to confirm the orientation of the mineralized structures. Preliminary testing has successfully intersected the high-grade vein (assays pending), with additional drillholes planned to further test this highly prospective zone (Figure 5). The potential to identify new phases of mineralization of significance at AurMac adds a new dynamic to the project and understanding of the interlinkage between the Intrusion related Powerline Gold Mineralisation and the High-Grade Keno Style mineralization."

Figure 1: Plan map of the central Powerline Deposit (g*m Au heat map above illustrates spatial association with Powerline Au mineralization). High-grade Silver mineralization is associated with steeply north-dipping, northeast to southwest oriented structures (approximate trace in magenta). Cross-section line for Figure 2 shown by white line.

Silver mineralization is associated with crosscutting, steeply dipping Fe-carbonate veins hosting coarse aggregates of sphalerite and galena with instances of fine-grained electrum (Figures 3 and 4). High-grade silver mineralization is discrete from gold domains at Aurmac. With active silver mining in the area, zones of high-grade silver have potential as a selectively mined product.

Figure 2: Cross-section of the Powerline Deposit at looking at 060. Potential mineralized domain for high-grade silver intersections (in magenta) intersected in the drillholes in this release and show potential for down-dip extension. Drillhole AX-25-803 (blue trace; assays pending) successfully intersected the high-grade Keno-style vein (Figure 5). Additional drill testing will help refine understanding of mineralized domain/vein orientation.
Figure 3: Zone of high-grade silver mineralization in late cross-cutting veins in drillhole AX-21-142 in central Powerline.
Figure 4: Electrum (right) associated with coarse aggregates of sphalerite and galena in Fe-carbonate veins from drillhole AX-21-142 at approx. 107.85m.
Figure 5: High-grade Keno-style mineralization intersected in drillhole AX-25-803 from 116-118.7m. Mineralization consists of coarse-grained, semi-massive sphalerite, galena, pyrite, chalcopyrite, with minor Ag-Sb sulphosalts (pyrargyrite) and tetrahedrite.

Table 1: Significant diamond drillhole assay intercepts for Powerline in this release

HOLE NUMBER

depth from (m)

depth to (m)

Ag Interval (m)

Ag Interval (g/t)

AX-21-142

27.4

48.8

21.4

10.27

including

33.5

47.6

14.1

12.31

and

100.6

204.2

103.6

302.68

including

100.6

117.4

16.8

1841.14

and including

131.1

167.6

36.5

10.60

AX-21-143

36.6

198.9

162.3

7.93

including

36.6

55.6

19.0

12.85

and including

75.6

80.5

4.9

20.03

and including

108.2

138.7

30.5

20.22

AX-24-542

68.3

76.2

7.9

4.29

including

68.3

69.4

1.1

13.10

and

97.9

116.8

18.9

11.22

including

99.5

101.2

1.7

19.93

and including

113.5

116.8

3.3

47.68

and

156.3

158.4

2.1

44.69

including

156.3

157.4

1.1

74.70

and

194.6

196.0

1.4

30.20

AX-21-161

37.0

55.6

18.6

10.38

including

37.0

49.5

12.5

13.10

and

120.6

122.1

1.5

5.23

and

242.6

244.1

1.5

8.47

AX-25-803*

*Pending
Note: True widths are calculated to be approximately 50% of drilled interval.

Table 2: Collar Locations for drillholes in this release

HOLE ID

Easting (m)

Northing (m)

Elevation (m)

Depth (m)

Azimuth

Dip

AX-21-142

466792

7083198

779

205.7

357

-58

AX-21-143

466814

7083187

780

262.4

299

-50

AX-21-161

466841

7083247

782

246.9

351

-61

AX-24-542

466746

7083152

775

201.2

2

-60

AX-25-803*

466746

7083283

773

220.7

120

-60

*Pending

Analytical Method and Quality Assurance/Quality Control Measures

All diamond drill core was systematically logged and photographed by Banyan geology personnel. All core samples (HTW and NTW diameter) were split on-site at Banyan's core processing facilities. Once split, half samples were placed back in the core boxes with the other half of split samples sealed in poly bags with one part of a three-part sample tag inserted within. Samples were delivered by Banyan personnel or a dedicated expediter to the Bureau Veritas, Whitehorse preparatory laboratory where samples are prepared and then shipped to Bureau Veritas's Analytical laboratory in Vancouver, B.C. for pulverization and final chemical analysis.

Core splits reported in this news release for 2021 were analysed by SGS Canada of Burnaby, B.C., utilizing the aqua-regia digest ICP-MS (HCL/HNO3) 36-element GE_IMS21B20 with GE_FAA30V5 30-gram Fire Assay with AAS finish for gold on all samples. Samples returning >10 g/t Ag were reanalysed by aqua-regia digest ICP-AES GE_ICP21B20. If Ag samples were expected to run ore-grade they were analyzed by GC_FAG32V, 30-gram Fire Assay with AAS finish for gold and silver samples. Samples for 2024 reported here were analysed by Bureau Veritas's Analytical laboratory in Vancouver, B.C utilizing the MA300, 35-element ICP analytical package in conjunction with the FA450 50-gram Fire Assay with Gravimetric finish for gold on all samples.

Qualified Persons

Duncan Mackay, M.Sc., P.Geo., is a "Qualified Person" as ‎defined under National Instrument 43-101, Standards of Disclosure for Mineral Projects ("NI 43-101"), and has reviewed and approved the content of this news release in respect of all disclosure other than the MRE.‎ Mr. Mackay is Vice President Exploration for Banyan and has verified the data disclosed in this news release, including the sampling, ‎‎analytical and test data underlying the information.

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About Banyan

Banyan's primary asset, the AurMac Project is located in the Traditional Territory of First Nation of Na-Cho Nyäk Dun, in Canada's Yukon Territory. The current Mineral Resource Estimate ("MRE") for the AurMac Project has an effective date of June 28, 2025 and comprises an Indicated Mineral Resource of 2.274 million ‎ounces of gold ("Au") (112.5 M tonnes at 0.63 g/t) and an Inferred Mineral Resource of 5.453 Moz of Au (280.6 M tonnes at 0.60 g/t ) (as defined in the Canadian Institute of Mining, Metallurgy and Petroleum ("CIM") Definition ‎Standards for Mineral Resources & Mineral Reserves incorporated by reference into NI 43‑101). The 303 square kilometres ("sq km") AurMac Project lies 40 kilometres from Mayo, Yukon. The AurMac Project is transected by the main Yukon highway and benefits from a 3-phase powerline, existing power station and cell phone coverage.

Table 3: Pit-Constrained Indicated and Inferred Mineral Resources - AurMac Project

Deposit

Gold Cut-Off (g/t)

Tonnage
(M Tonnes)

Average Gold Grade (g/t)

Contained Gold (Moz)

Indicated MRE

Airstrip

0.30

27.7

0.69

0.611

Powerline

0.30

84.8

0.61

1.663

Total Combined Indicated MRE

0.30

112.5

0.63

2.274

Inferred MRE

Airstrip

0.30

10.1

0.75

0.245

Powerline

0.30

270.4

0.60

5.208

Total Combined Inferred MRE

0.30

280.6

0

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