published on 12/09/2025 at 12:30 from Banyan Gold Corp. (CVE:BYN)

Banyan Gold Continues to Extend Powerline Mineralization Beyond Existing Resource and Between Deposits, AurMac, Yukon, Canada

VANCOUVER, BC / ACCESS Newswire / December 9, 2025 / Banyan Gold Corp. (the "Company" or "Banyan") (TSXV:BYN)(OTCQB:BYAGF) continues to expand and upgrade the Powerline Deposit ("Powerline") at its AurMac Project ("AurMac"), First Nation of Na-Cho Nyäk Dun Traditional Territory, Yukon. The diamond drillholes reported here intersected new high-grade domains extending Powerline mineralization to a new area southwest of the main deposit and demonstrating the continuity of high-grade in the central Powerline deposit and between the Airstrip Deposit.

Highlights:

AX-25-690 - 1.15 g/t Au over 10.5m within 0.74 g/t Au over 45.5m, including high-grade intervals of 6.82 g/t Au over 1.9m and 9.75 g/t Au over 1.0m
AX-25-694 - 4.27 g/t Au over 2.0m within 0.62 g/t Au over 28.6m
AX-25-724 - 4.60 g/t Au over 5.9m within 0.64 g/t Au over 55.4m; including high-grade interval of 14.90 g/t Au over 1.5m
AX-25-728 - 0.86 g/t au over 16.5m and 1.03 g/t au over 6.8m
AX-25-741 - 1.97 g/t Au over 3.3m within 0.29 g/t Au over 78.2m
AX-25-746 - 1.70 g/t Au over 5.7 m within 0.92 g/t Au over 18.8 m
AX-25-748 - 3.41 g/t Au over 0.5m and 0.65 g/t Au over 12.2m within 0.30 g/t Au over 89.1m

Banyan Gold has completed its 2025 drilling program with 178 holes over 42,700 m completed; with the last core shipped to the assay lab from camp last week. Thank you to our team, service providers, suppliers, consultants, and partners for a productive year.

"We have successfully intersected high-grade intervals at the Resource pit edge with additional sheeted veins hosting coarse sulphosalts, sulphides and visible gold in follow-up step outs 100 and 400 m from known mineralisation, with assay results pending (holes AX-25-772 and -779 respectively, Figure 5)," said Tara Christie, Banyan President and CEO. "Our new geologically supported mineralisation model continues to provide opportunities to upgrade portions of our deposit by converting waste blocks to high-grade ore, reducing strip ratios within the conceptual pit and by expanding the mineralized envelope to add ounces."

Figure 1: Plan map of the Powerline Deposit. Cross-section line for Figures 2, 3, and 5 shown by white lines. In north southwest Powerline, additional step outs with assays pending denoted by green dots. Note section lines for 466750E and 466800E.

Continued drilling at Powerline has successfully confirmed mineralized domains in the core of Powerline (Figure 3), refined and extended mineralization between the Powerline and Airstrip main pits (Figure 2) and extended mineralization with potential to convert waste blocks in the southwest of Powerline (Figure 5).

Figure 2: Intersections reported in this news release, AX-25-688, -690, -692, further define the geologically based mineralized domains (magenta ellipses) and results demonstrate potential for extension along strike and down dip.

Figure 3: High-grade mineralization in zones from AX-25-719, -728, -724, -732 support continuity of mineral domains in the core of Powerline. Mineralized domains are open to depth with potential for further down dip extension.

Gold mineralization in southwest Powerline is consistent with mineralization seen in the core of Powerline; gold mineralization is associated with discordant sheeted quartz veins hosting sulphosalts and sulphides (predominantly sphalerite, arsenopyrite) (Figure 3) which is preferentially hosted in silicified/altered host rocks.

Figure 4: Mineralized zone from drillholes AX-25-690. Abundant discordant veining with coarse Bi-sulphosalts and arsenopyrite spatially associated with silicification and skarn-style mineralization (replacement mineralization of calcareous metasedimentary units).

Figure 5: Cross-section of the Powerline Deposit looking at AZM 135. Potential mineralized domain (in magenta) intersected in the drillholes in this release and show potential for down-dip extension, waste block conversion, and expansion of mineralized envelope to step out drillholes. Drillhole AX-25-779 (100m south, assays pending) intersected coarse sulphosalts and sphalerite in discordant quartz veins hosting visible gold (Figure 3). Results are also pending from a 400 m step out drillhole AX-25-772 that intersected similar Bi-Sb sulphosalt bearing discordant quartz veins.

Figure 6: Mineralized interval from drillhole AX-25-746. High vein density, Bi-Sb sulphosalts and visible gold are indicative of high-grade mineralization, confirmed by assay results.

Figure 7: Visible gold from sheeted quartz veins in drillhole AX-25-746 at 243.3m.

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

HOLE NUMBER	depth from (m)	depth to (m)	Au Interval (m)	Au Interval (g/t)
AX-25-681	18.0	19.5	1.5	0.31
and	76.0	77.5	1.5	0.66
and	91.5	93.0	1.5	0.57
and	108.0	109.5	1.5	0.31
and	186.5	187.5	1.0	0.71
and	228.0	238.0	10.0	0.50
including	234.0	236.0	2.0	1.18
and	256.0	258.0	2.0	0.60
and	270.0	292.5	22.5	0.64
including	281.0	282.0	1.0	4.21
and including	289.0	291.2	2.2	2.43
including	290.8	291.2	0.4	7.31
and	310.5	315.0	4.5	0.54
including	310.5	311.0	0.5	1.88
AX-25-684	27.0	28.5	1.5	0.43
and	131.0	134.1	3.1	0.49
and	156.0	157.5	1.5	0.48
and	170.5	170.9	0.4	4.01
and	248.9	257.0	8.1	0.25
and	282.4	282.7	0.3	1.12
and	307.3	330.0	22.7	0.37
including	309.0	311.0	2.0	1.28
and	350.0	380.0	30.0	0.37
including	351.1	353.8	2.7	2.38
AX-25-688	18.3	45.7	27.4	0.75
including	41.8	45.7	3.9	3.58
including	44.4	45.7	1.3	8.22
and	96.6	96.8	0.2	27.25
and	148.0	154.6	6.6	0.47
including	149.6	150.0	0.4	5.99
and	193.1	197.8	4.7	2.49
including	196.9	197.8	0.9	8.99
AX-25-690	32.3	38.2	5.9	0.31
including	37.9	38.2	0.3	3.70
and	46.6	48.6	2.0	0.34
and	75.4	120.9	45.5	0.74
including	75.4	77.3	1.9	6.82
and including	98.7	109.2	10.5	1.15
including	108.2	109.2	1.0	9.75
including	108.2	108.5	0.3	18.60
and including	108.9	109.2	0.3	12.10
AX-25-694	61.8	90.4	28.6	0.62
including	66.3	90.4	24.1	0.67
including	88.4	90.4	2.0	4.27
including	89.5	90.4	0.9	5.64
and	123.5	133.6	10.1	0.29
and	183.0	185.0	2.0	0.30
and	215.6	216.4	0.8	0.54
AX-25-719	46.8	126.5	79.7	0.37
including	56.8	78.5	21.7	0.56
including	56.8	57.3	0.5	10.96
and including	90.2	108.0	17.8	0.55
and including	90.2	90.8	0.6	6.85
and	144.5	152.0	7.5	0.58
and	171.0	172.8	1.8	0.47
and	192.2	192.5	0.3	1.86
AX-25-724	24.6	35.0	10.4	0.36
and	59.0	65.0	6.0	0.36
including	59.0	60.4	1.4	1.22
and	81.6	88.5	6.9	0.46
including	83.7	84.1	0.4	5.74
and	111.6	167.0	55.4	0.64
including	126.4	132.3	5.9	4.60
including	126.4	127.9	1.5	14.90
and including	155.6	156.0	0.4	5.89
and	185.3	185.6	0.3	1.96
and	203.0	203.7	0.7

Drilling Program Yukon High-grade Mineralization Banyan Gold Powerline Deposit

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