Tectonic Metals, Inc. · TSXV:TECT
Tectonic Metals — Technical Presentation (September 2025)
51 slides from Tectonic Metals's technical presentation, September 2025
Slide 1: 2025 Inaugural Virtual Drill Core Shack
TSX-V: TSX-V:TECT OTCQB: TECT OTCQB: TETOFTETOF FSE: T15BFSE: T15B 2025 INAUGURAL VIRTUAL DRILL CORE SHACK THE FLAT GOLD PROJECT, ALASKA 1 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM September 2025
Slide 2: Cautionary Statement Regarding Forward Looking Statements and NI 43-101
CAUTIONARY STATEMENT REGARDING FORWARD LOOK STATEMENT AND COMPLIANCE WITH NATIONAL INSTRUMENT 43-101 All statements in this presentation, other than statements of historical fact, are "forward-looking statements“ or “forward looking information” with respect to Tectonic Metals Inc. (the “Company”) w
Slide 3: Proven Track Record of Success
“IN GOD WE TRUST; ALL OTHERS MUST BRING DATA” PROVEN TRACK RECORD OF SUCCESS IN ALL ASPECTS OF THE EXPLORATION AND MINING BUSINESS ▪ Discovery = +30 million oz Au ▪ Development = 18 Feasibility Studies ▪ Permitting = 20 projects ▪ Production = 16 mines ▪ M&A = $3.7 billion in transactions ▪ Capital
Slide 4: A Committed, Proven and Successful Team
A COMMITTED, PROVEN AND SUCCESSFUL TEAM INSIDE OWNERS REPRESENT THE THIRD LARGEST OWNERSHIP BLOCK Necessary Skill Sets for Successful Exploration/Mining Companies Capital Team Member Role ESG Mine Finder Mining M&A Markets Notes Allison Rippin Armstrong Chair ⚫ ⚫ ⚫ ⚫ Environmental Biologist, UN cons
Slide 5: Technical Advisory Committee
TECHNICAL ADVISORY COMMITTEE INDUSTRY LEADING EXPLORATION GEOLOGISTS AND MINING ENGINEERS Areas of Strength Economic Heap Leach Mining Name Designations & Structural Notes Geology Design Construct Operate ⚫ ⚫ ⚫ Mr. Smith has been involved in the design, Mark Smith P.E., G.E., D.GE, S.E. construction
Slide 6: Alaska: Tier-1 Mining Jurisdiction
ALASKA: TIER-1 MINING JURISDICTION1 UNLEASHING ALASKA’S EXTRAORDINARY RESOURCE POTENTIAL YUKON ▪ Tier-1 ratings cement Alaska’s TERRITORY reputation as a premier mining destination Fairbanks ▪ Rated 1st globally for mineral potential and 3rd globally for mining investment attractiveness2 (2024 Frase
Slide 7: A Transformational Year in the Making: From Discovery to Delivery
A TRANSFORMATIONAL YEAR IN THE MAKING: FROM DISCOVERY TO DELIVERY UPSIZE OF FINANCING TO ▪ 2025 marks Tectonic’s most ambitious exploration program in the project’s history $19 M – Smart money backs the Flat Gold Project $13.5 M – Due to SUCCESFUL PP FINANCING Strong Investor CLOSING – OPENED Demand
Slide 8: The Flat Gold System: Potential Six District Scale Deposits
THE FLAT GOLD SYSTEM: POTENTIAL SIX DISTRICT SCALE DEPOSITS “EVIDENCE IS THE CORNERSTONE OF TRUTH”: UNVEILING A 20 KM “STRING-OF-PEARLS” GEOPHYSICAL ANOMALY 99,840 Acre Project Area TOTAL PLACER GO LD PRODUCTION: 1.4Moz* Au 20 km 8 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: T
Slide 9: Reduced Intrusion-Related Gold Systems
REDUCED INTRUSION-RELATED GOLD SYSTEMS GEOCHEMISTRY, VEINING AND HOST ROCK ARE KEY INDICATORS OF PROXIMITY TO CUPOLA Cross Section Looking Down - Plan View of Plutonic Structure – Hart et. al. 20071 Fort Knox hornfels Golden Apex aureole Distal mineralization Au-As-Sb veining hornfe Eagle within vol
Slide 10: 2025 Phase 1 – Drill Plan Map
2025 PHASE 1 – DRILL PLAN MAP Intrusion Target Drill Type # Holes Metres Diamond 8 2,873 Alpha Bowl RC 16 1,749 Diamond 5 1,013 Chicken Mountain RC 5 798 Diamond 1 265 Golden Apex RC 2 201 Black Creek RC 9 616 Jam RC 2 203 Total Drill Holes & Metres 48 7,718 10 TECTONIC METALS – 2025 Inaugural Virtu
Slide 11: 2025 Phase 1 – Drill Plan Map Reference
2025 PHASE 1 – DRILL PLAN MAP REFERENCE 11 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 12: Alpha Bowl 2025 Phase 1 - Highlights
ALPHA BOWL 2025 PHASE 1 - HIGHLIGHTS ▪ Drilling tested for scale, grade and continuity ▪ Oriented drill core collected; structural and alteration controls defined ▪ Key drill core observations: o Visible gold observed in select quartz veins o Multiple generations of veining, including sheeted, brecc
Slide 13: Alpha Bowl
ALPHA BOWL Rock Types The rocks at Alpha Bowl are mainly coarse-grained intrusions called monzonite to syeno-monzonite, which sometimes contain xenoliths of dark fragments of other rock types. Narrower dikes of varying composition cut through the main body. Tectonic observed multiple generations of
Slide 14: Alpha Bowl - Veins
ALPHA BOWL - VEINS Quartz – Sulfide Veins, Alpha Bowl ▪ Left: ~5 mm wide quartz–sulfide vein hosting chalcopyrite with subordinate pyrrhotite. Close-up view under binocular microscope highlights chalcopyrite (brassy yellow) intergrown with and partly rimmed by pyrrhotite (silvery grey) within quartz
Slide 15: Alpha Bowl - Veins
ALPHA BOWL - VEINS Late-Stage Carbonate Veinlet with Potassic Alteration – Alpha Bowl ▪ A late-stage carbonate-dominant veinlet, variably composed of calcite ± quartz ± chlorite, is shown cross-cutting earlier sulfide-bearing vein generations (quartz–sulfide and quartz–carbonate–sulfide). The vein i
Slide 16: Alpha Bowl - CMD25-004
ALPHA BOWL - CMD25-004 16 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 17: Alpha Bowl - CMD25-004 218.08-223.57M
ALPHA BOWL - CMD25-004 218.08-223 .57M ▪ Coarse grained biotite monzonite with interval of strong sericite alteration and quartz-carbonate veining. Sericite-altered section with distinct greenish hue. Close up of Quartz-Carbonate vein with brecciated margins at 223.5m 17 TECTONIC METALS – 2025 Inaug
Slide 18: Alpha Bowl - CMD25-004 Box 82-83 223.57-228.75M
ALPHA BOWL - CMD25-004 BOX 82-83 223.57-228.75M ▪ Core interval of coarse-grained biotite monzonite with sheeted quartz veining. At 227.1 m, a ~10 cm wide white quartz vein hosts massive arsenopyrite. Close-up highlights coarse, massive arsenopyrite within the quartz vein, demonstrating a strong sul
Slide 19: Alpha Bowl - CMD25-005
ALPHA BOWL - CMD25-005 19 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 20: Alpha Bowl - CMD25-005 Box 70–71, 189.59–195.35 M
ALPHA BOWL - CMD25-005 BOX 70–71, 189.59–195.35 M ▪ Core interval of biotite monzonite, strongly sericitized and bleached in proximity to quartz–carbonate–arsenopyrite veining. At 191.11m, a quartz–arsenopyrite vein is crosscut by a late clay-bearing fracture, highlighting multiple vein generations
Slide 21: Alpha Bowl - CMD25-005 Box 80-81 217.02–222.81M
ALPHA BOWL - CMD25-005 BOX 80-81 217.02 – 222.81M ▪ Intensely sericitized and bleached biotite monzonite centered around quartz-carbonate- veining reflecting strong hydrothermal fluid overprint. The alteration is centered on quartz–carbonate–arsenopyrite veining, which marks a key structural and min
Slide 22: Alpha Bowl - CMD25-005 Boxes 104-109 282.4–299.47M
ALPHA BOWL - CMD25-005 BOXES 104-109 282.4 – 299.47M ▪ Coarse-grained biotite monzonite hosting abundant sheeted quartz and quartz–carbonate–sulfide veins and veinlets. Veining is spatially centered on a prominent ~0.50 m quartz–carbonate–sulfide vein, with an average density of approximately three
Slide 23: Alpha Bowl - CMD25-005 Box 104-105: 282.4–288.04M
ALPHA BOWL - CMD25-005 BOX 104-105: 282.4 – 288.04M ▪ Coarse-grained, variably sericite-altered biotite pyroxene monzonite with sheeted quartz and quartz-carbonate-sulphide veins and veinlets. Pinkish, carbonate-dominant, quartz-carbonate-sulfide veins with intense sericite alteration. Note majority
Slide 24: Alpha Bowl - CMD25-005 Box 124-125 338.94–344.98M
ALPHA BOWL - CMD25-005 BOX 124-125 338.94– 344.98M ▪ Coarse-grained biotite monzonite containing widely spaced sheeted quartz veins. At 342.9 m, a quartz vein with a sericite-altered selvage hosts visible gold grains. Under binocular microscope, a distinct visible gold grain is observed within the a
Slide 25: Alpha Bowl - CMD25-007
ALPHA BOWL - CMD25-007 25 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 26: Alpha Bowl - CMD25-007 Box 56-59
ALPHA BOWL - CMD25-007 BOX 56-59: 338.94– 344.98M ▪ Coarse-grained biotite monzonite cut by oxidized sheeted quartz–carbonate veins, with well-developed alteration zones. These zones are texturally and mineralogically similar to those observed around unoxidized quartz–carbonate–arsenopyrite veins el
Slide 27: Alpha Bowl - CMD25-007 Boxes 67-68 181.66–187.15M
ALPHA BOWL - CMD25-007 BOXES 67-68 181.66 – 187.15M ▪ Intense sericite alteration surrounding quartz-carbonate breccia (hydrothermal) veins. Late oxidation overprinting veins and associated alteration. Clasts of siliceous, arsenopyrite-bearing veins occur within the quartz-carbonate breccia veins. M
Slide 28: Alpha Bowl - CMD25-007 Boxes 75-80: 204.18–221.28M
ALPHA BOWL - CMD25-007 BOXES 75-80: 204.18 – 221.28M ▪ Coarse-grained, variably sericite-altered biotite-pyroxene monzonite with sheeted quartz and quartz-carbonate-sulphide veins and veinlets. Note sheeted veins in boxes 76 and 79 bordering the larger, veined and brecciated zone in boxes 77 & 78. 2
Slide 29: Alpha Bowl - CMD25-009
ALPHA BOWL - CMD25-009 29 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 30: Alpha Bowl - CMD25-009: 179–184.85M
ALPHA BOWL - CMD25-009: 179 – 184.85M ▪ Zone of elevated quartz-sulfide sheeted veining manifested as mostly hairline veinlets and veinlets up to several mm thick (all highlighted in yellow) cutting coarse-grained biotite-pyroxene monzonite and a later, darker and finer-grained dike cutting the coar
Slide 31: Alpha Bowl - CMD25-013
ALPHA BOWL - CMD25-013 31 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 32: Alpha Bowl - CMD25-013: Boxes 35-37: 85.04–93.27M
ALPHA BOWL - CMD25-013: BOXES 35-37: 85.04 – 93.27M ▪ Zones of intense, sericite-silica alteration controlled by quartz-carbonate-sulfide veins which have been overprinted by later oxidation and faulting. Blocks in feet. 32 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OT
Slide 33: Alpha Bowl - CMD25-013: Boxes 48-50: 121.31–131.06M
ALPHA BOWL - CMD25-013: BOXES 48-50: 121.31 – 131.06M ▪ Zones of intense, sericite-silica alteration controlled by quartz-carbonate-sulfide veins which have been overprinted by later oxidation and faulting. Blocks in feet. 33 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT |
Slide 34: Alpha Bowl - CMD25-017
ALPHA BOWL - CMD25-017 34 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 35: Alpha Bowl CMD25-017: Boxes 93-94: 238.51–244.14M
ALPHA BOWL CMD25-017: BOXES 93-94: 238.51 – 244.14M ▪ Moderately-well veined zone with Quartz + Sulfide veins and Quartz-Carbonate-Sulfide veins. Note relatively thick nature of quartz veins. Also note VG at ~240.65m (789.5ft). Blocks are in feet. Close-up of VG in quartz vein at 240.64m depth on ri
Slide 36: Alpha Bowl CMD25-017: Boxes 115: 299.92–302.82M
ALPHA BOWL CMD25-017: BOXES 115: 299.92 – 302.82M 301.60m (989.50ft) ▪ Intense sericite alteration within biotite-pyroxene monzonite, alteration associated with veining. Note polyphase breccia vein around 301.60m (989.50ft). Mixed in with the arsenopyrite in the breccia vein is a dark silvery-grey,
Slide 37: Chicken Mountain Phase 1 - Highlights
CHICKEN MOUNTAIN PHASE 1 - HIGHLIGHTS ▪ Metallurgy: PQ core drilled for additional heap leach column tests, including 2” crushed material; complements prior heap leach recoveries of 96% and 91% on 3/4“ crushed material. ▪ Structural work: Oriented drill core collected to refine model ▪ Potential sta
Slide 38: Chicken Mountain
CHICKEN MOUNTAIN The Chicken Mountain intrusion is interpreted to be roughly 6.5 km x 6.0 km in size and the most advanced target at Flat. Chicken Mountain has historically received the majority of past drilling on the property. During Phase One 2025, Tectonic completed 1,013 m of core drilling in f
Slide 39: Chicken Mountain - CMD25-008
CHICKEN MOUNTAIN- CMD25-008 39 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 40: Chicken Mountain CMD25-008 Box 63-64 88.48M to 91.15M
CHICKEN MOUNTAIN CMD25-008 BOX 63-64 88.48M TO 91.15M – PQ Metallurgical Drilling ▪ Fresh to weakly oxidized Chicken Mountain quartz monzonite, with sheeted quartz sulphide veining 40 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 41: Chicken Mountain - CMD25-012
CHICKEN MOUNTAIN- CMD25-012 41 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 42: Chicken Mountain CMD25-012 Box 36 51.36-53.19M
CHICKEN MOUNTAIN CMD25-012 BOX 36 51.36-53.19M – PQ Metallurgical Drilling ▪ Strongly sericite altered and bleached, partially oxidized quartz monzonite with sheeted quartz-carbonate-sulphide veining. Note extensive disseminated sulphide selvages adjacent to veining within un-oxidized interval 42 TE
Slide 43: Chicken Mountain - CMD25-016
CHICKEN MOUNTAIN- CMD25-016 43 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 44: Chicken Mountain CMD25-016 Box 12-19 17.68-40.37M
CHICKEN MOUNTAIN CMD25-016 BOX 12-19 17.68-40.37M ▪ Interval of strong quartz-carbonate-sulphide veining within altered biotite-quartz monzonite from the No-Mans Land section of Chicken Mountain. This hole was drilled central to a 300m Gap between known Chicken Mountain mineralization and Adit, with
Slide 45: Chicken Mountain CMD25-016 Box 48-53 117.55-134.34M
CHICKEN MOUNTAIN CMD25-016 BOX 48-53 117.55-134.34M ▪ Well-developed sheeted quartz sulphide veining within sericite altered, mostly unoxidized biotite quartz monzonite seen throughout 49m to 175.6m 45 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICM
Slide 46: Golden Apex Phase 1 – Highlights
GOLDEN APEX PHASE 1 – HIGHLIGHTS ▪ Step-out core drilling completed near historic 2003 drill hole GA03-02 ▪ Stratigraphy logged; oriented core collected for structural analysis ▪ Portable XRF analysis confirms bi-modal pathfinder associations (Cu+Bi and As+W) ▪ Key drill core observations: o Alterat
Slide 47: Golden Apex
GOLDEN APEX The Golden Apex target is interpreted to be a ~2.5 km x 2.5 km blind reduced intrusion-related gold system (RIRGS) situated northeast of Chicken Mountain, offset between the Alpha Bowl target to the south and the exposed Black Creek stock to the north. Drilling completed at Golden Apex i
Slide 48: Chicken Mountain - CMD25-006
CHICKEN MOUNTAIN- CMD25-006 48 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICMETALS.COM
Slide 49: Golden Apex CMD25-006 Box 41-42 104.84M to 110.02M
GOLDEN APEX CMD25-006 BOX 41-42 104.84M TO 110.02M ▪ Fine grained intermediate volcanics with quartz and quartz carbonate veining. Note quartz sulphide vein at low angle to core axis in second row of core in box 41. 49 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB:
Slide 50: Golden Apex CMD25-006 Box 41-42 104.84M to 110.02M
GOLDEN APEX CMD25-006 BOX 41-42 104.84M TO 110.02M ▪ Fine grained intermediate volcanics with quartz and quartz carbonate veining and localized alteration associated with strongly veined intervals. 50 TECTONIC METALS – 2025 Inaugural Virtual Drill Core Shack | TSX-V: TECT | OTCQB: TETOF | TECTONICME
Slide 51: Reference List
REFERENCE LIST SLIDE 6: Alaska A Tier-1 Mining Jurisdiction 1. As defined by Newmont Corporation & Per the State of Alaska Credit Ratings Reports 2. Julio Mejía and Elmira Aliakbari (2025). Fraser Institute Annual Survey of Mining Companies, 2024. Fraser Institute. SLIDE 8: The Flat Gold System: Pot
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