Slide 1: Introductory Presentation September 2025
FIRST/TIN NAL INVESTMENT EXPOSUR NCED TIN PROJECTS IN_AUS GERMANY Introductory Presentation September 2025
Slide 2: Disclaimer
O Disclaimer This document (‘Presentation’) has been prepared by First Tin plc a public limited company incorporated and registered in England and Wales under company number 07931518 “Company’).This Presentation (along with the accompanying verbal presentation) and the information contained in itis
Slide 3: First Tin provides exceptional exposure to secure OECD Tin supply
O First Tin provides exceptional exposure to secure OECD Tin supply FEW SUBSTANTIAL, ECONOMIC TIN DEPOSITS IN TIER ONE JURISDICTIONS TO OFFER SECURITY OF SUPPLY FIRST TIN : xt ie) GOTTESBERG t ‘ FIRST TIN Historic mining district at Le TARONGA centre of Europe’s high * Significant historic tin tech
Slide 4: Investment case: Largest undeveloped OECD tin resource base
Investment case Largest undeveloped OECD tin resource base* offering long term growth options + 100% ownership of two low capex tin projects in low-risk OECD jurisdictions with existing infrastructure, which offers greater security of supply * Quick and de-risked path to production due to establishe
Slide 5: Corporate overview
O Corporate overview Market Summary Significant shareholders over 3% Market LSE and FSX Number of Stakeholders Shares Ticker 1SN MetalsX Ltd 135,166,667 29,91% Shares in Issue 451m Market Cap (30" September 2025) £30.4m Directors 54,616,675 12.08% Cash (as of end 2024) £8.36m Baker Steel Resources T
Slide 6: Tin's structural demand story continues to develop positively
(e) Tin’s structural demand story continues to develop positively... REFINED TIN USAGE, 2023 100% = 357,100 Tonnes Other Cu Alloys Batteries a Tinplate Chemicals FIRST TIN INTRODUCTORY PRESENTATION | SEPTEMBER 2025 Solder Tin ranked as the metal to be most impacted by the energy transition and digit
Slide 7: While tin supply has stagnated and is unreliable
fe) ..while Tin supply has stagnated and is unreliable World Tin Mine Production (Tin-in-Concentrate, kt) 350 300 250 200 150 100 50 0 Sige Gea Gr Gh Gg” mAustralia mAfrica m South America Other Asia Myanmar Indonesia China mother Mine production estimated to have decreased 8% in 2024 Source: ITA, n
Slide 8: In a thin project pipeline, First Tin's projects stand out with scale and competitive costs
(©) In a thin project pipeline, First Tin’s projects stand out with scale and competitive costs AISC* in relation to Contained Tin (Bubble size = total tonnes) 19000 Heemskirk 18000 e 8 17000 4 8 . @souhcroty gl ellerhduser O DES e 2 16000 * prs Oropesa ° PEA Taronga 15000 © Scoping 9 Dove 14000 0 5
Slide 9: Tin prices responding to tightening supply, with risk of fly ups to come
O Tin prices responding to tightening supply, with risk of fly ups to come LME Price USD/tonne 40000 35000 30000 25000 20000 15000 9/1/22 fa) 111/222 % LME Tin Price and Inventory Level Inventory Tonnes 9,000 8,000 7,000 6,000 5,000 4,000 3,000 2,000 en 1,000 xe 111/23 3/1/23 5/1/23 7/23 9/1/23 11/1
Slide 10: First Tin holds the largest undeveloped OECD primary tin resource
First Tin holds the largest undeveloped OECD primary” tin resource TARONGA, NSW, AUSTRALIA Reserves Tonnage Assay Contained Tin Classification (Mt) (% Sn) (Tonnes) Proved 0,14 36,000 Probable 13) 0,12 16,000 Total P&P 0,13 52,000 Resources Tonnage Assay Contained Tin Category (Mt) (% Sn) (Tonnes) Me
Slide 11: Taronga progressing towards production with large scale, low risk, low cost
O Taronga progressing towards production with large scale, low risk, low cost... A LOW-RISK ASSET IN A LOW-RISK JURISDICTION Freehold Land Ownership Low Risk Open pit, low Strip Ratio Mining Low Cost LARGE SCALE 50! 10 TPY TIN-IN-CONCENTRATE * First Tin owns freehold land covering 70% of the resourc
Slide 12: Attractive economics with significant upside potential
O .. and attractive economics with significant upside potential Indicative Taronga Pre-Tax NPV Staircase (AUDm)* Further upside: + Brownfield expansions * Fine tin Recovery flotation circuit Convert Inferred improvements** * Higher tin resources as per pit optimisations price 345 ) di 243 Ext. drill
Slide 13: Simple geology and mineralogy provide competitive costs with high margin
O Simple geology and mineralogy provide competitive costs with high margin Taronga Cost and Margin Staircase Competitor Comparisons , usD PriceiCost AlSC*/tonne Tin: 40,000 + Alphamin: US$13,900 2023 ‘lowest 35,000 — Spot Tin Price: US$ 33,097/ttin sold quartile” 30,000 * Taronga: US$15,843**, DFS +
Slide 14: Taronga low-cost open pit mining with low strip ratio
fe) Taronga will have low-cost open pit mining with low (1:1) strip ratio from wide and continuous mineralisation Taronga Cross Section 5000N Current Pit Design ale + Outcropping along ridge; low pre-stripping « ane + Wide and continuous mineralised zones vey + Accessible, open in all directions + L
Slide 15: Mineralogy allows easy liberation and beneficiation of the cassiterite
O Mineralogy allows easy liberation and beneficiation of the cassiterite... Coarse cassiterite within sub-vertical quartz veins Crushing fractures along quartz Exposed cassiterite easily veins exposing cassiterite beneficiated from simple gravity processing Video FIRST TIN INTRODUCTORY PRESENTATION
Slide 16: Simple, low-tech, low-cost process flow sheet
O ..through a simple, low-tech, low-cost process flow sheet* Crushing Coarse Rejects Mining tera Screening Circuit 2.5Mtpa 0.03% Sn 5.0Mtpa -800mm So 12mm yey +2.8mm is. 0.13% Sn -2,8mm | 2.5Mtpa 0.22% Sn 1.7Mtpa +0.4mm Screening 0.16% Sn 0.9Mtpa -0.4 mm 0.35% Sn 0.2Mtpa 14%8n @& Basic — —— | 1.0Mtp
Slide 17: Drilling programme underway to increase resources and convert Inferred
fe) Drilling programme underway to increase resources and convert Inferred (J) Proposed Pits + 3.6Mt of Inferred + Newmont Drillhole resources within Eee Loaiioe . . Known Mineralisation current pit designs not Hl iiltcite ext included in economic heed + Payback Ext analysis Ti Payback + Several oth
Slide 18: Drill results validating additional mineralisation
FARCOS4: 6m @ 0.18% Sn FARCOS1: 9m @ 0.13% Sn 0.14% Sn FIRST TIN INTRODUCTORY PRESENTATION | SEPTEMBER 2025 Results: + Validating interpretation that additional mineralisation exists within and adjacent to the current pit outlines. * Grades and widths intercepted are consistent with existing quantif
Slide 19: Mineral processing testwork progressing
O Mineral processing testwork progressing Tin Recovery * Recent crushing results show recovery 100.0 up to 89.7% 90.0 + No ore sorting capex or opex required 80.0 + Significant volume reduction through crushing reducing quantity going , 7° through gravity separation S 60.0 + Enabled by the mineralog
Slide 20: Taronga at the centre of a broader northern NSW tin district
fe) Taronga is at the centre of a broader northern NSW tin district offering longer term developmental potential Stanthorpe Tin Field Emmavilie Tin field ~~ Significant exploration tenure covering 752km? around Taronga + Range of targets with previous drilling or recent soil sampling + Potential for
Slide 21: Tellerhauser, Germany: a high grade, polymetallic resource in a historic tin district
O Tellerhauser, Germany: a high grade, polymetallic resource in a historic tin district GOTTESBE! Recent Drilling Tellerhauser Deeps - Dreiberg 1.4m @ 1.26% Sn 1.0m @ 2.02% Sn 1.35m @ 1.49% Sn ceolegy Minwraatin (stam Wtresbis Poet Ont Q now diiageiitonss © fetaee mont nae Gottesberg © fete] rman oe
Slide 22: Tellerhauser is designed to be a sustainable underground mine
O Tellerhauser is designed to be a sustainable underground mine FIRST TIN INTRODUCTORY PRESENTATION | SEPTEMBER 2025 103% BR eh A mine without a dump Minimum footprint (<10ha) enables faster permitting Underground processing Near-zero emissions Use of renewable energy Recycling of all raw and residu
Slide 23: Securing local tin from mine to OEM for Germany's advanced manufacturing
fe) Strategically securing local tin from mine to OEM for Germany’s advanced manufacturing supply chain AN SAXORE BERGBAU Zero-Trace Mining by underground processing Crushing Screening Dry sorting EW dry processing Sorti Sn Smelting on behalf of SAXORE r Flotation wet processing Tailings remain unde
Slide 24: Tellerhauser is at an advanced stage of planning and permitting
O Tellerhauser is at an advanced stage of its planning and permitting + Bundled procedure * (3 to 5 years longer) S = oO N : ) S rf a i Mandatory LoMP - plan approval 8 5 : procedure: —a oo + incl. formal EIA 2 2 i) + incl. regional planning smc 5 procedure rm Fy fe + incl. public and stakeholder Ww
Slide 25: Exploration of Gottesberg and Auersberg confirm critical raw materials
Exploration of Gottesberg and Auersberg confirm presence of critical raw materials in addition to tin Breitenbrunn (see Fifst Tin website for détails} Rock chip sample showing coarse cassiterite from St Michaelis structure 27,9Mt@ 0.50% Sn - 138,600t Sn (sée RNS 22 April 2024 for Details) + Several
Slide 26: Critical raw material gallium widespread in Auersberg licence area
O Critical raw material gallium is widespread in the Auersberg licence area . . Summary of Rock chip sampling showing gallium assays from Auersberg and Gottesberg FIRST TIN INTRODUCTORY PRESENTATION | SEPTEMBER 2025 Associated with tin bearing greisen alteration around vein structures that can be tr
Slide 27: Current work plan
O Current work plan + ElS completed, awaiting Developmental Approval. S + DFS value enhancement: o Additional metallurgical testing work to improve recoveries. o Extension and infill drilling and conversion of inferred resources to increase the mine life. + Fieldwork to progress satellite options. +
Slide 28: Roadmap and catalysts for a potential share price re-rating
ce) Roadmap and catalysts for a potential share price Re-rating Current Situation: Taronga potential catalysts: Tellerhauser potential In Production: * Fair Value 20p/sh*: + Receipt of permit to de-risk catalysts: + Potential assuming conservative - Taronga base @ 70% of + Completion of DFS value +
Slide 29: Contact
F oO 2 Ee > oa = Pa Chief Executive Officer Bill.scotting@firsttin;com