Slide 1: Ayawilca Zinc – Silver – Tin Project
Ayawilca Zinc – Silver – Tin Project Focus on high-grade exploration and development opportunities Corporate Presentation PDAC 2026 March 2026
Slide 2: Disclaimer
Disclaimer This presentation does not constitute or form a part of, and should not be construed as an offer, solicitation or invitation to subscribe for, underwrite or otherwise acquire, any securities of Tinka Resources Limited (“Tinka” or the “Company”), nor shall it or any part of it form the bas
Slide 3: TK: Investment Highlights
TK: Investment Highlights AYAWILCA Zinc-Silver-Tin Project: Large, polymetallic sulphide resource (PEA 2024) – Tinka is re-evaluating high-grade exploration & development options targeting silver-rich zones. 5,000 m drilling program early Q3 2026. Colquipucro silver deposit is a potential starter pi
Slide 4: TK: Management and Directors
TK: Management and Directors Executive Chairman: Brandon Macdonald BSc Geology, MBA Geologist with diverse background in exploration geology, mining, capital markets, M&A and finance (Macquarie Bank in London, founding CEO of Fireweed Metals). President and CEO: Graham Carman PhD, FAUSIMM World-wide
Slide 5: TK: Capital Structure
TK: Capital Structure TSX-V: TK OTCQB: TKRFD Shares Issued & 12-month Stock Chart Outstanding 133,657,553 Warrants $0.40 (exp 10/28) 25,959,091 $0.75 (exp 06/26) 1,739,296 Options $0.40 (exp 09/30) 6,600,000 $1.25 (exp 06/26) 1,530,000 Market Cap C$ 53 M (@ $0.40) Cash (Dec 31, C$13 M 2025) Debt nil
Slide 6: Central Peru: World-Class Mining Belt
Central Peru: World-Class Mining Belt AYAWILCA : Antamina Cu Pierina Au ➢ 8,200 hectares of mining concessions held by Tinka Resources SAC - 100% SILVIA gold-copper owned by TK. Raura Zn-Cu AYAWILCA zinc-silver-tin SILVIA : (acquired SILVIA Dec ‘25 SLIDE by NFC China) El Porvenir/Atacocha Zn-Ag-Pb ➢
Slide 7: AYAWILCA: Excellent Infrastructure and Access
AYAWILCA: Excellent Infrastructure and Access N Huanuco 60 km LEGEND Paved road Road paving in progress SILVIA Unpaved road Rail Power lines TINKA Ayawilca mining claims TK COLQUIPUCRO PROJECTS Silvia mining claims TK Raura (Acquired by China NF AYAWILCA Raura accumulation Electricity Ucchucchacua &
Slide 8: AYAWILCA: Re-focusing on high-grade
AYAWILCA: Re-focusing on high-grade ➢ Large zinc-silver resource underpins value: Ayawilca has 3.6 billion pounds zinc (Indicated) and 2.9 billion pounds zinc (Inferred) with more than 30 million oz silver in sulphide resources ➢ Tin resource: 200 million pounds tin in separate resource ➢ Robust Pre
Slide 9: AYAWILCA: Drilling to target high-grade extensions in 2026
AYAWILCA: Drilling to target high-grade extensions in 2026 N East Zinc Zone – Indicated only Zinc zone Classification/ Tonnage Zone Mt % Zn g/t Ag % Pb Zinc Zone South 13.8 6.64 19.3 0.2 West 14.5 5.05 13.6 0.2 Total Indicated 28.3 5.82 16.4 0.2 West Classification/ Tonnage Zone Mt g/t Ag % Zn % Pb
Slide 10: WEST AYAWILCA: Grade controlled by big structures
WEST AYAWILCA: Grade controlled by big structures A NW FAULT A’ A13-05: 49m @10% Zn, 32 g/t Ag, 0.6% Pb Zinc • High-grade zinc “pipes” are controlled by NW sulphide pipe Faults • Silver - lead mineralization forms a ‘halo’ to the zinc in replacements and veins Selected Zinc Drill Results at Ayawilca
Slide 11: AYAWILCA: Silver Veins at West are Under-Explored
AYAWILCA: Silver Veins at West are Under-Explored • Silver Veins (‘Vetas’) drilled in 2018 • Not followed-up, not included in resource HG Silver Vein intercepts (not true width) • Veins open and untested along strike A18-114: 2.2 m @ 289 g/t Ag, 9.3% Zn, 5.2% Pb from 49.8 m N S A18-117: 7.8 m @ 183
Slide 12: COLQUIPUCRO Silver oxide resource opportunity
COLQUIPUCRO Silver oxide resource opportunity S Section 332365 E N • Potential starter open-pit • High-grade zones and low-grade halo, very low strip ratio • Last mineral resource in 2016 when silver price was US$18 / oz 150 m May 2016 Colquipucro Silver Oxide Mineral Resource W E Colqui Fault Secti
Slide 13: SILVIA Copper-Gold Project – Promising early drilling
SILVIA Copper-Gold Project – Promising early drilling ➢ Property acquired from BHP for 1% NSR royalty and one-off cash payment. ➢ Located 100 km south of Antamina Cu-Zn mine . ➢ Three targets identified with sampling/mapping and drone magnetics over 3 km2 at Areas A, B and C. ➢ First target was dril
Slide 14: SILVIA – Initial results in first four drill holes
SILVIA – Initial results in first four drill holes X • 1,400 meters completed in four Y diamond drill holes S25-001 • Promising results with Cu–Au 15.10m @ 0.17 % Cu + 0.26 g/t Au intercepts associated with intrusive– Incl: limestone skarn contacts 4.05m @ 0.54 % Cu + 0.86 g/t Au • Free gold associa
Slide 15: SILVIA – MT geophysical survey
SILVIA – MT geophysical survey • MT geophysical survey planned for Q2 2026 Footprint area drilled X Y TinkaResources.com 15 | TSXV: TK
Slide 16: Key Priorities for 2026
Key Priorities for 2026 Focus on High-Grade Silver and Zinc at Ayawilca ➢ Re-evaluation of structural controls on the high-grade mineralization including the under-explored Silver Zone veins and Colquipucro. ➢ Fully funded for 5,000 metre drilling program scheduled from early Q3 2026 to extend high-
Slide 17: Environmental, Social and Governance
Environmental, Social and Governance Tinka has established strong relationships with local communities at Ayawilca and Silvia projects for more than 10 years ➢ Tinka is committed to fostering long-term sustainable relationships with our stakeholders. ➢ The Company provides environmental and social i
Slide 18: Busy year ahead in 2026!
Busy year ahead in 2026! CONTACTS Dr. Graham Carman President and CEO Brandon Macdonald Executive Chairman info@tinkaresources.com Tim McNulty Corporate Communications tmcnulty@tinkaresources.com Phone: 1.604.290.8100 Tinka Resources Limited Suite 1305 – 1090 West Georgia St Vancouver, BC V6E 3V7 Ca
Slide 19: Appendices: Regional Geology and Mining Concessions
Appendices: Regional Geology and Mining Concessions ➢ AYAWILCA: Hosted by Pucara limestone (Jurassic) ➢ COLQUIPUCRO: Hosted by sandstones (Cretaceous) ➢ SILVIA: Hosted by Colquipucro Ag Jumasha limestone (Cretaceous)– same host as Antamina mine TinkaResources.com 19 | TSXV: TK
Slide 20: Trans-Andean faults and concessions
Airborne Magnetics ➢ Trans-Andean SILVIA faults are associated N with large mineral deposits in the Andes of Peru. AYAWILCA ➢ AYAWILCA: Zn + Sn + Ag Mineral Resources 8,200 ha of Colquipucro Ag granted concessions Tinka applications and 2,600 ha Raura Mine applications. ➢ SILVIA: 10,900 0 10 ha of g
Slide 21: 2024 Ayawilca PEA
2024 Ayawilca PEA Annual mine schedule (Zn-Ag-Pb circuit) and conceptual development ➢ 2.0 Mt per annum zinc-silver-lead and 0.3 Mtpa tin underground mine as two separate circuits: ▪ Robust economics: NPV 8% of US$434 million after-tax and IRR of 25.9% after-tax. ▪ Long life-of-mine : 21-year LOM fo
Slide 22: 2024 Ayawilca PEA – Highlights Table
2024 Ayawilca PEA – Highlights Table BASE CASE METAL PRICES & EXCHANGE RATE ASSUMPTIONS INPUT VALUE OPERATING SUMMARY Zinc price US$1.30/lb Processing plant throughput Zn/Ag/Pb 2.0 Mt/year Lead price US$1.00/lb Processing plant throughput Sn 0.3 Mt/year Silver price US$22/oz Avg. annual Zn concentra
Slide 23: Growing Demand for Zinc
Growing Demand for Zinc Accelerated adoption of renewable energy is leading to growing zinc demand Zinc Use in Renewables (tonnes) 136,000 14,000 66,000 62,000 300 24,000 150,000 162,000 85,000 *Projected / Source: CRU, IRENA 2020 2025 2030* Peru is the 2nd largest global supplier of zinc TinkaResou
Slide 24: Silver / Tin / Indium – Key Critical Metals
Silver / Tin / Indium – Key Critical Metals ➢ Silver – used in ➢ Tin - the highest value of ➢ Indium - key component electronics, solar all the base metals. in flat panel displays and panels, medical ➢ Widely used in touch screens, LCDs, technologies, and electronics and circuit semiconductors, thin