Alpha Hpa Limited · ASX:A4N
Alpha Hpa — Shareholder Meeting (November 2025)
27 slides from Alpha Hpa's shareholder meeting presentation, November 2025
Slide 1: A4N AGM Presentation – November 2025
A4N AGM PRESENTATION – NOVEMBER 2025
Slide 2: Cautionary Statement Forward Looking Statements
CAUTIONARY STATEMENT FORWARD LOOKING STATEMENTS The Definitive Feasibility Study (DFS) referred to in this This presentation contains certain forward-looking A number of important factors could cause Presentation has been undertaken to assess the technical and statements with respect to the DFS, fin
Slide 3: Alpha HPA: Introduction
ALPHA HPA: INTRODUCTION A technology led, specialty chemicals company Manufacturing ultra-high purity aluminium products with a world first process which are: CRITICAL RAW MATERIALS FOR HIGH -TECHNOLOGY GROWTH SECTORS HIGH PURITY - HIGH MARGIN – HIGH VALUE Commercialising in 2 Stages as the HPA FIRS
Slide 4: 2025 Highlights
2025 HIGHLIGHTS HPA First Project Stage 2 Key project milestones Stage 1 Operations Emergence of Alpha’s achieved: delivering fantastic safety Products as critical materials • Concrete works on track performance and consistent for the semiconductor sector • First tanks and SX sales into semiconducto
Slide 5: Stage 1: Production, Stage 2: Construction
GLADSTONE Stage 2 Stage 1 STAGE 1: PRODUCTION STAGE 2: CONSTRUCTION
Slide 6: Manufacturing Facilities Layout
MANUFACTURING FACILITIES LAYOUT: Stage 1 Capacity: +350tpa Stage 2 Capacity: +10,000tpa
Slide 7: Stage 2: In Construction
STAGE 2 : IN CONSTRUCTION Alpha HPA
Slide 8: Stage 2: Dedicated Vessel SX and Tanks Delivery
STAGE 2 : DEDICATED VESSEL SX AND TANKS DELIVERY
Slide 9: Stage 2: Construction Images
STAGE 2 : CONSTRUCTION IMAGES
Slide 10: Stage 2: Construction Images
STAGE 2 : CONSTRUCTION IMAGES
Slide 11: Stage 2: Construction Images
STAGE 2 : CONSTRUCTION IMAGES
Slide 12: Stage 2: Construction Images
STAGE 2 : CONSTRUCTION IMAGES
Slide 13: Stage 1 Facility: Production, Sales and Qualification
STAGE 1 FACILITY: PRODUCTION, SALES AND QUALIFICATION
Slide 14: Novel Process Technology
NOVEL PROCESS TECHNOLOGY Unique purity and product performance Seedi ng Drying Calcination Milling Process Step Stage 2 Product Ultra_ATH TM Drying Calcination Milling +4N5 High Purity Aluminium Hydroxides Al(OH) 3 or Al-O-OH By products are sent to Orica and n returned as Ultra_GAP -X TM Ultra_ AA
Slide 15: Alpha HPA vs Incumbent Process
ALPHA HPA VS INCUMBENT PROCESS ALUMINA SMELTER GRADE BAUXITE HYDRATE ALUMINA (SGA) BAUXITE ALUMINA CALCINING SMELTING PURIFIED MINING REFINING ~0.5kg CO 2 /kg HPA 6.6kg CO 2 /kg HPA ALUMINIUM METAL Al(OH) 3 FEEDSTOCK ENERGY SAVING = 7.1kg CO 2 /kg HPA NOVEL PURIFICATION INCUMBENT AND REFINING PROCES
Slide 16: World Leading 'Low-Alpha' Alumina Materials
WORLD LEADING ‘LOW -ALPHA’ ALUMINA MATERIALS • Electricity demand for AI data centres is surging, with 40% of electricity for cooling • Intensive focus on improved thermal management for greater computing power • Driving adoption of high purity alumina for heat dissipation CONDUCTING HEAT FROM AI CH
Slide 17: 'Low Alpha' Fillers Use-Case: Typical Example
‘LOW ALPHA ' FILLERS USE -CASE : TYPICAL EXAMPLE High purity alumina (HPA) t hermal fillers provide the heat transfer of the EMC for chip package encapsulation. Low alpha radiation HPA filler is critical for AI chip reliability and performance. Heat dissipation via high purity alumina fillers E MC T
Slide 18: World Leading 'Low-Alpha' Alumina Materials
WORLD LEADING ‘LOW -ALPHA’ ALUMINA MATERIALS •• As semiconductor Continuous nodes continue semiconductor to reduce, node ‘low has-alpha’ reduction drivenemission alumina increasing materials are requirement forbecoming ‘low critical -alpha’ materials for semiconductor • Increasingly packaging adopte
Slide 19: Our Position in the Supply Chain
OUR POSITION IN THE SUPPLY CHAIN ‘LOW -ALPHA’ ALUMINA MATERIALS ‘low alpha’ Advanced spherical alumina packaging OEM manufacturers (EMC/MUF/DAF* etc) ‘low alpha’ precursors Al(OH) 3 & Al 2 O 3 Semiconductor IDM’s & Foundries Semiconductor ‘low alpha’ alumina equipment component OEM’s manufacturers A
Slide 20: Customer Case Studies
CUSTOMER CASE STUDIES ‘LOW -ALPHA’ ALUMINA MATERIALS ‘low alpha’ precursors Spherical alumina OEM EMC* OEM Semiconductor • 18 month qualification Al(OH) 3 & Al 2 O 3 • Sales commenced Foundry • LOI +100tpa ‘low alpha’ precursors Spherical alumina OEM Semiconductor • 18 month qualification γ-Al 2 O 3
Slide 21: New Process = Novel HPA Particles = Outperformance in CMP
NEW PROCESS = NOVEL HPA PARTICLES = OUTPERFORMANCE IN CMP • Alpha HPA’s novel high purity alumina particle can deliver outperformance in Chemical, Mechanical Planarization (CMP), particularly for hard substrates and new thin-films, including Silicon Carbide (SiC ), hard -carbon, metal and high selec
Slide 22: Our Position in the Supply Chain
OUR POSITION IN THE SUPPLY CHAIN CMP High -purity alumina Semiconductor OEM’s α-Al 2 O 3 (powder or slurry) CMP slurry manufacturers ‘low alpha’ precursors Semiconductor Foundries γ-Al 2 O 3 Alpha’s Customers
Slide 23: Alpha Sapphire: GaN on Sapphire Power Semis
ALPHA SAPPHIRE: GaN ON SAPPHIRE POWER SEMIS • GaN -on-Sapphire requires wide -format (8”), C -plane wafers • Ideally suited to Alpha’s investment in next generation wide -format growth technology Complete C -Axis Sapphire Boule Sapphire Wafer Alpha’s Sapphire Growers Alpha HPA Ultra Pucks • Qualific
Slide 24: Where Alpha Holds a Clear Technical Advantage
WHERE ALPHA HOLDS A CLEAR TECHNICAL ADVANTAGE SECTOR SEMICONDUCTOR DLE LITHIUM -ION BATTERY USE THERMAL FILLERS CMP DLE SORBENTS COATINGS Alumina and ATH materials as Alumina abrasives for polishing silicon carbide substrates (Si -C) ATH (Al(OH) 3 ) as a precursor to High purity Al -Nitrate as coati
Slide 25: Global Marketing
GLOBAL MARKETING SALES AGENTS & INTERMEDIARIES • Extensive agent and advisory network AUSTMIN CHINA • Detailed, technically driven understanding of market and applications APL MATERIALS JAPAN AM&M NORTH EAST ASIA TECHNOLOGICA EU Alpha HPA Market Discovery Pricing Product DFS (May 2024) Updated (Sept
Slide 26: Stage 2 DFS: Strong Financial Metrics
STAGE 2 DFS: STRONG FINANCIAL METRICS Compelling HPA First Project Stage 2 financial metrics - steady -state production in 2030 HPA First Project Stage 2 Steady -state Financials (does not include Alpha Sapphire) First Project Stage 2 Production volume ramp up (tpa) DFS - May 2024 Key Project Metric
Slide 27: Thank You
THANK YOU Rob Williamson Managing Director rwilliamson@alphahpa.com.au +61 408 414 474 Rimas Kairaitis Executive Director and Chief Commercial Officer rkairaitis@alphahpa.com.au +61 407 125 176 Robert Lord Head of Corp. Development rlord@alphahpa.com.au +61 400 008 553 alphahpa.com.au