Slide 1: Advancing a New Canadian Gold District
TS XV: BY N | OTCQB : BY AGF Advancing a New Canadian Gold District Sept 10 , 202 6 TECHNICAL PRESENTATION 1
Slide 2: Forward-Looking Statements
L EGAL DI SCL O SURE Forward-Looking Statements F OR W A R D - L OO K I N G I N F O R M A T I O N A D D I T I O N A L A S S U M P T I O N S & F A C T OR S This presentation contains forward-looking information, which is not comprised of Factors that could cause actual results to differ materially fr
Slide 3: Land Acknowledgement
AC KNOWLE DGEMEN T Land Acknowledgement Banyan Gold respectfully acknowledges that our offices and projects are located on the traditional territories of several Indigenous Peoples and First Nations. AurMac Project First Nation of Na-Cho Nyäk Dun Traditional Territory. Hyland Project Kaska Nations T
Slide 4: Resource Growth <200m From Surface
MINE RAL R ESOU RCE ES TI MA TE Resource Growth <200m From Surface PIT CONSTRAINED RESOURCE ESTIMATE 3.64M 4.98M Deposits open Only 2% OZ AU IND ICAT ED OZ AU INF ERR ED in all directions — significant room for resource growth @ 0. 6 8 G /T @ 0. 5 8 G /T beyond the current pit-constrained estimate.
Slide 5: Resource & Grade Growth <200m From Surface
MINE RAL R ESOU RCE ES TI MA TE Resource & Grade Growth <200m From Surface PIT CONSTRAINED RESOURCE ESTIMATE E S TI M A T I ON P A RA M E T ER S 3.64M OZ AU IND ICAT ED @ 0. 6 8 G /T 4.98M OZ AU INF ERR ED @ 0. 5 8 G /T Gold price US$3,500 / oz Mining cost US$2.75 / t Processing cost US$11.50 / t G&
Slide 6: Regional Conceptual Fence Diagram with Major Projects
EX PLORATION UPS IDE Regional Conceptual Fence Diagram with Major Projects TSXV: BYN | OTCQB: BYAGF
Slide 7: Regional Distribution of Major Projects
RE GIONAL GR OWTH Regional Distribution of Major Projects Mineralized District – Intrusion Related Deposits BANYAN GOLD • AurMac – advanced exploration • Nitra – grassroots exploration Other Companies • Eagle – past producer • Sitka – exploration KENO HILL STYLE • Hecla • Banyan • Silver North • Met
Slide 8: Regional Distribution of Major Projects
RE GIONAL GR OWTH Regional Distribution of Major Projects Fence Diagram Trace from AurMac - through Nitra - to Sitka District scale distribution of Tombstone suite intrusions contribute to the various mineralizing systems. Major deposits are centred on or adjacent to large crustal structures (Robert
Slide 9: Host Stratigraphy — AurMac
PR OPER TY SC ALE GE OLOGY Host Stratigraphy — AurMac Gold hosted in calcareous schist, aplite dyke and chlorite schist units S O U RD O U G H HI L L F O R M A TI O N - AI RS TR I P Upper Quartzite GOLD HOST 466750E Section Grey quartzite resulting from common thin dark grey schist layers; Au-quartz
Slide 10: Conceptual Model for Gold Mineralization
PR OPER TY SC ALE GE OLOGY Conceptual Model for Gold Mineralization NW–SE section: Airstrip · Powerline · Aurex Hill S O UR C E Buried mid-Cretaceous pluton Interpreted at depth beneath the Airstrip and Powerline deposits. P R OX I M A L Ag-Pb-Zn Vein systems rooted directly above the interpreted pl
Slide 11: Deep-Seated Intrusion
PR OPER TY SC ALE GE OLOGY Deep-Seated Intrusion Graphite geothermometry and geophysics point to a blind intrusive complex G E OT H E R M OM E T R Y Indicates a potential heat source • Graphite thermometry indicates a heat source beneath the Airstrip deposit. • Geothermal Gradients are independent o
Slide 12: Powerline — Sheeted Quartz Veins
STYLES OF MINE RALIZATION Powerline — Sheeted Quartz Veins Discordant, extensional Au-Qtz-Apy-sulphosalt veins with replacement-style overprint S H E ET E D Q U A R T Z V E I N S — G O L D H O S T • Discordant sheeted (extensional) veins cross-cut quartzite and graphite schist; Au-Qtz- Apy-SS veins.
Slide 13: Powerline — Sheeted Quartz Veins
STYLES OF MINE RALIZATION Powerline — Sheeted Quartz Veins Discordant, extensional Au-Qtz-Apy-sulphosalt veins with replacement-style overprint AX-24-540: Visible Gold in Quartz Veins AX-24-522: 11.1 g/t Au over 0.16 m 10 TSXV: BYN | OTCQB: BYAGF
Slide 14: Airstrip — Sulphide Replacement
STYLES OF MINE RALIZATION Airstrip — Sulphide Replacement Calc-silicate altered calcareous schist with high grade at the dyke contact R E P L A C E M EN T / S K A R N A P L IT E D Y K E — G O L D H OS T • Pink to beige fine-grained quartz-K-feldspar, • Gold associated with pyrrhotite- calcareous alt
Slide 15: Three Overprinting Mineralizing Systems
DEPOSIT PARAGENESIS Three Overprinting Mineralizing Systems Sheeted gold veins · skarn replacement · late Keno-style silver Extensional Quartz Veins P O WE R L IN E Extensional Gold Veins • Early quartz — the bulk of the sheeted veins is “early” quartz-I with accessory sulphides. • Secondary fractur
Slide 16: Gold Mineralization & Timing
DEPOSIT PARAGENESIS Gold Mineralization & Timing Gold is post-deformation, between the major thrust events VEIN EVOLUTION EARLY QUARTZ Bulk of sheeted veins are “early” quartz-I with accessory sulphides SECONDARY FRACTURE Secondary fracturing in quartz-I and early sulphides hosts quartz-II, Au and B
Slide 17: Beyond Gold — Striking Silver
SILV ER DIS COVE RY Beyond Gold — Striking Silver High-grade “Keno-style” silver mineralization intersected at AurMac — 8 confirmed veins, with potential to expand high-grade mineralization in each AX-21-142 14,299 g/t Ag over 1.1m 11,828 g/t Ag over 1.2m 1,841.14 g/t Ag over 16.8m AX-25-803 10,734
Slide 18: Keno-Style Silver at AurMac
LATE SILV ER Keno-Style Silver at AurMac Discrete Iron-carbonate veins hosting coarse sphalerite and galena D I S C R ET E I R O N - C A RB O N AT E V EI N S — SILVER HOST • Crosscutting, steeply dipping Iron (Fe)-carbonate veins hosting coarse aggregates of sphalerite and galena. • Discordant veins
Slide 19: Keno-Style Silver at AurMac
LATE SILV ER AX-25-803: Keno-Style Silver at AurMac 1841 g/t Ag over 10.4m within; includes 5,625 g/t Ag over 3.4m with 10,734 g/t Ag over 1.7m Discrete Fe-carbonate veins hosting coarse sphalerite and galena AX-21-142: 1841.14 g/t Ag over 16.8 m within 302.68 g/t D I S C R ET E F E - C A R B O N A
Slide 20: AurMac Deposit Targets — 2026 Phasing
POTEN TIA L FOR RES OURC E A ND GR ADE GROWTH AurMac Deposit Targets — 2026 Phasing Growth < 200 m from surface and between the deposits P H AS E 1 — W I N T E R Deposits open in all directions Target logistically challenging areas Less than 5% of land Package explored Frozen ground access opens the
Slide 21: New Geologic Model & Pit Expansion
RE SOUR CE MOD EL LI NG New Geologic Model & Pit Expansion Geologic underpinning for the MRE domains — mineralized domains controlled by stratigraphy N E W GE O L O G IC M O D E L • Geologic underpinning for the MRE domains. • Mineralized domains are controlled by stratigraphy. P I T E X PA N S I O
Slide 22: Airstrip Expansion Potential
RE SOUR CE MOD EL LI NG Airstrip Expansion Potential Inferred Mineral Resource up 65% in contained ounces, with grade up 11% P I T E X PA N S I O N 405,000 oz 0.84 g/t Au 175 × 650 m • Opportunity to better link the pits. M odel led domai n • Convert current waste blocks outside the Inferr ed Mi ner
Slide 23: Improving Project Economics
RE SOUR CE MOD EL LI NG Improving Project Economics Targeting the mine PEA mining phases with between-pit and pit-floor growth O B J EC T I V E Improve economics Target the mine PEA mining phases so early ounces sit in the first phases. P I T E X PA N S I O N • Convert waste blocks outside the searc
Slide 24: Grade, Scale & Maiden Economics
2026 ST RA TEGI C E XP LORA TION Grade, Scale & Maiden Economics 2026 programme sequencing and delivery E X P L OR A T I O N T O DA T E • Powerline — Indicated conversion and expansion Drilling 2026 • Airstrip — Indicated conversion and expansion >200,000 m • Exploration — target and deposit generat
Slide 25: Greenfields
EX PLORATION UPS IDE Greenfields Nitra · Roaring Fork · Seattle Creek · Goodman · Lugdush More than 95% of the district remains untested. TSXV: BYN | OTCQB: BYAGF
Slide 26: Regional Distribution of Major Projects
RE GIONAL GR OWTH Regional Distribution of Major Projects Intrusion-Related Mineralised District BANYAN GOLD • AurMac – advanced exploration • Nitra – grassroots exploration Other Companies • Eagle – past producer • Sitka – exploration KENO HILL STYLE • Hecla • Banyan • Silver North • Metallic Miner
Slide 27: Regional Distribution of Major Projects
RE GIONAL GR OWTH Regional Distribution of Major Projects Fence Diagram Trace from AurMac - through Nitra - to Sitka District scale distribution of Tombstone suite intrusions contribute to the various mineralizing systems. Major deposits are centred on or adjacent to large crustal structures (Robert
Slide 28: Nitra — 100% Owned, High-Priority Targets
EX PLORATION UPS IDE Nitra — 100% Owned, High-Priority Targets Project Location Map for Banyan’s AurMac and Nitra Projects 423 km² • Road accessible • Known intrusions at surface • 6+ active placer mines DISTRICT-SCALE EXPLORATION UPSIDE Placer mining Lidar / structural analysis Highlights from Roar
Slide 29: Nitra Drill Hole NT26-006 - Seattle Creek
NITRA D ISCOVERY Nitra Drill Hole NT26-006 - Seattle Creek Targeting was based on resistivity anomalies on margins of a potential buried intrusive combined with a strong Au -As anomaly, and coincident Bi soil anomaly and mafic rock signature in soils. T S XV : BY N | OT C Q B: B YA G F 22
Slide 30: Seattle Creek — NT-26-006
NITRA DISCOV ERY Seattle Creek — NT-26-006 New gold-silver discovery on the greenfields Nitra Project — first assays, 25 km west of AurMac 0.91 g/t Au 5.70 g/t Au 27.01 g/t Ag 544 g/t Ag over 12.1 m over 0.5 m 41.7 – 53.8 m downhole included, 42.6 – 43.1 m TABLE 1 — GOLD & SILVER INTERVALS, SEATTLE
Slide 31: Seattle Creek — NT-26-006
NITRA DISCOV ERY Seattle Creek — NT-26-006 Second Nitra target, 5 km north of Roaring Fork — multiple visible gold occurrences from 36 m downhole VI SIBL E GOL D OC CURRE NCE S 36.2 – 36.7 m Extensional quartz vein — visible gold, bismuth-sulphosalts, arsenopyrite, pyrite 40.4 – 41.2 m Visible gold
Slide 32: Seattle Creek - NT26-006
NITRA D ISCOVERY Seattle Creek - NT26-006 Mineralized breccia zones with entrained quartz veins - Indicator of long-lived structural corridor and hydrothermal system . T S XV : BY N | OT C Q B: B YA G F 22
Slide 33: Seattle Creek — NT-26-006
IN FRA STRUCTUR E A DVA NTA GE Seattle Creek — NT-26-006 Second Nitra target, 5 km north of Roaring Fork COR E DE TAI L Mineralized extensional quartz veins in predominantly metasedimentary rocks in drillhole NT-26-006 from Nitra. Quartz veins in the host visible gold, bismuth-sulphosalts, arsenopyr
Slide 34: Roaring Fork — NT-26-001 & 002
NITRA DISCOV ERY Roaring Fork — NT-26-001 & 002 Targeting was based on resistivity anomalies on margins of a potential buried intrusive combined with a strong Au-As-Bi anomaly in soils TSXV: BYN | OTCQB: BYAGF
Slide 35: Roaring Fork — NT-26-001
NITRA DISCOV ERY Roaring Fork — NT-26-001 First hole at Nitra — visible gold and high-grade quartz veining, 25 km west of AurMac 1.62 g/t 17.80 g/t Au over 5.0 m Au over 0.4 m 84.9 – 89.9 m downhole included, 87.9 – 88.3 m T ABL E 1 — INT ERV ALS , R OARING FORK ZONE Hole / interval From (m) To (m)
Slide 36: Roaring Fork — NT-26-001 & 002
NITRA DISCOV ERY Roaring Fork — NT-26-001 & 002 Mineralized extensional quartz veins with instance of visible gold TSXV: BYN | OTCQB: BYAGF
Slide 37: High-Value External Projects
POR TFOLIO GROWTH High-Value External Projects Acquired 100% of Generic Gold's Yukon exploration portfolio — adding 2,158 claims across five project areas ~350 km² added High-target and earlier-stage exploration areas, expanding long-term discovery potential Geological database leverage New ground b
Slide 38: TSXV:BYN | OTCQB:BYAGF
Banyan Gold is committed to environmental stewardship, sustainable development, advancing the principles Tara Christie of reconciliation, and shared President & CEO TSXV:BYN | OTCQB:BYAGF tchristie@banyangold.com generational prosperity for First Nations (888) 629-0444 and communities. Jasmine Sangr