Slide 1: High Purity Aluminium Materials for High Technology Growth Sectors
AlphaHPA onl onal HIGH PURITY ALUMINIUM MATERIALS FOR HIGH TECHNOLOGY GROWTH SECTORS ASX:
Slide 2: Cautionary Statement
CAUTIONARY STATEMENT The Definitive Feasibility Study (DFS) referred to in this Presentation has been undertaken to assess the technical and financial viability of the HPA First project. The DFS is based on the material assumptions about the availability of funding and the pricing received for Alpha
Slide 3: Technology led speciality chemicals company
We are a technology led, speciality chemicals company We make ultra-high purity aluminium products with a worlds first process which are: For personal use only Commercialising in 2 Stages as the
Slide 4: HPA First Project, Gladstone QLD
STAGE 4: STAGE, 2: Sey! Gladstone, QLD HPA First Project Site Gladstone State Development Area 100% RENEWABLE ENERGY ~ y BI ye HPA FIRST PROJECT: ee —_ as
Slide 5: Stage 1: In Production
— eS 2 os STAGE 4: IN PRODUCTION Alpha HPA
Slide 6: For personal use only
For personal use only
Slide 7: Project Layout
PROJECT LAYOUT: STAGE 1: IN PRODUCTION +350tpa — ALL PRODUCTS ser STAGE 2: FULL-SCALE FACILIT IN CONSTRUCTION FIRST PRODUCTION AT 2026 +10,000tpa — ALL PRODUCTS 75M Equity Capital (May-June 2024) $21.7M $45M IPP Grant MMI-C Grant (QLD Govt) (Aust Govt) DFS CAPEX $553M Alpna HPA
Slide 8: Stage 2 Bulk Earthworks - December 2024
Stage 2 Bulk Earthworks —- December 2024 STAGE 2 : CONSTRUCTION UNDERWAY
Slide 9: Stage 2: Offsite Fabrication (SX)
Mr a - — af , ‘ 3 3 == STAGE 2 : OFFSITE FABRICATION (SX)
Slide 10: Novel, low energy, low-carbon process
Novel, low energy, low –carbon process For personal use only
Slide 11: Data centre electricity consumption
• • For personal use only Data centers electricity consumption (TWh) Percentage of global electricity consumption 1,200 3.70% 4.00% 3.50% 1,000 1065 3.00% 2.50% 800 2.50% 2.00% 600 681 2.00% 1.30% 536 1.50% 400 1.00% 333 200 0.50% 0 0.00% 2022 2025P 2026P 2030P
Slide 12: Low-alpha feedstock for semiconductor chips
Thermal Filler switching from high purity-silica to HPA for better thermal conductivity Alpha's technology produces non-detect levels of U and Thand therefore less soft errors on the chip Alpha Confirmed as best in class low-alpha radiation feedstock Semiconductor Chip. All new NE Asia end-users con
Slide 13: Qualification case study: low-alpha alumina fillers
QUALIFICATION CASE STUDY: QUALITY LEADER IN ‘LOW-ALPHA’ ALUMINA FILLERS Sales Orders >5,000kg to June 2025 Site visit May 2025 Introduction Alpha site LO! D1 Revision Dec 2023 Jan 2025 May 2025 onal use on Spherical Spherical Ongoing alumina alumina Spherical test sales alumina samples sales Semi- F
Slide 14: Power semiconductors and CMP abrasive demand
The rapid growth of power semi-conductors is leading to demand for HPA as the preferred CMP abrasive hard surface substrates, such as: . Silicon Carbide (SiC) . Gallium Nitride (GaN) and . Sapphire (Al,O.) e The SiC semiconductor sector is rolling out next-generation CMP technology over next 5 years
Slide 15: Chemical Mechanical Planarisation performance
e Semiconductor substrates and stacked circuit layers are polished with a process referred to as Chemical Mechanical Planarisation (CMP) . e Alpha’s novel aluminas provide a +50% removal rate improvement_in wafer polishing at lower operating temperatures gus e Alpha’s unique HPA crystal morphology a
Slide 16: Alpha Sapphire: GaN on sapphire power semis
ALPHA SAPPHIRE: GaN ON SAPPHIRE POWER SEMIS © * Gallium-Nitride on sapphire (GaN-on-Sapphire) emerging as an alternative platform for power-semiconductors * Ga-N on sapphire represents a ‘mid-point’ between higher cost SiC and lower performance GaN-on-Silicon * Applications include fast chargers, hi
Slide 17: Alpha Sapphire
ALPHA SAPPHIRE: Ce * GaN-on-Sapphire requires wide-format (8”), C-plane wafers * Ideally suited to Alpha’s investment in next generation growth technology Alpha SAPPHIRE ® is | a 5 Alpha’s Sapphire Growers Complete C-Axis Sapphire Boule Sapphire Wafer Alpha HPA Ultra Pucks * Qualification Underway:
Slide 18: Alpha's high purity materials for batteries
ALPHA’S HIGH PURITY MATERIALS Technical APPROVAL from a GLOBAL Li-B anode OEM after 18months test work CELL COATING - Alpha UltraCoat Zero propagation from battery pack with high purity (Al-O-OH) boehmite coated cell casings (Utilises Alpha AFNitrate) ANODE COATING Up to 100% reduction in thermal ru
Slide 19: Alpha UltraCoat thermal runaway propagation control
Alpha UltraCoat - thermal runaway propagation control TERY CELL CASE COATINGS Coated vs Uncoated cell casings UNCOATED ALUMINIUM CELL CASE (0.5MM) 40 seconds under butane flame (+1,500°C) N : ah, BN, * Alpha UltraCoat — Test work underway with Global Automotive OEM * Independent modeling* shows neut
Slide 20: Lithium growth from direct lithium extraction
LITHIUM CARBONATE EQUIVALENT (LCE) GROWTH FROM DIRECT LITHIUM EXTRACTION (DLE) 500 STRONG NEW DEMAND FOR “50 DIRECT LITHIUM EXTRACTION (DLE) SORBENTS 400 350 * DLE sorbents increasingly made from high-purity 300 alumina-hydrate (Al(OH)3 or ‘ATH’) w * Test-work and commercial demand growing & 250 rap
Slide 21: A4N Advantage
For personal use only End-users have noted Alpha Novel process delivers Novel process delivers is the only global supplier ultra low alkali metals Alpha HPA is the first company unique amorphous ATH capable of providing <1ppb impurities (Na & K) and globally to manufacture 5N A4N ADVANTAGE crystal s
Slide 22: Product marketing progression
PRODUCT MARKETING PROGRESSION ACTUAL FORECAST @ Test/Qualification samples (LHS) w Letters of Intent or equivalent (RHS) Sales and/or binding contracts (RHS) Sales & binding contracts 2025/26 Metric Tonnes Metric Tonnes Current LOI allocation level Stage 2 FID lt; ay © ia} Cc (o) D (<b) Samples / Qua
Slide 23: For personal use only
For personal use only • • • • • • •
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• • • • • For personal use only • • • • • • • • • • • • • • • • • • •
Slide 25: For personal use only
For personal use only FY27 FY28 FY29 FY30
Slide 26: For personal use only
5% Strategic For personal use only Commence Definitive Investment & Supported Supported Technical Commercial North American Alpha Sapphire FID Stage 2 Raising Diligence Agreements MoU Raising A$40M A$180M ⚫ ⚫ ⚫ ⚫ ⚫
Slide 27: Corporate Snapshot
CORPORATE SNAPSHOT TRADING INFORMATION SHARE PRICE PERFORMANCE - 3 YEARS ASX CODE A4N Share Price (05/05/2025) ~$0.91c 52-week trading range $0.77 - $1.18 Issued Shares 1136M CAPITAL STRUCTURE Issued Shares 1,136M Unlisted options (@90c) 3M (expire 31 Aug 2025) we Performance Rights 9.77M way Market
Slide 28: Thank You
THANK YOU Rob Williamson Managing Director +61 408 414 474 Rimas Kairaitis Executive Director and Chief Commercial Officer +61 407 125 176 Robert Lord Investor Relations +61 400 008 553 ® AlphaHPA