Advent Investor Presentation Deck

White Dragon is the flagship decarbonization project for Greece and one of the top-10 projects by size across Europe for green hydrogen production and storage (Power to Gas). Developed by a consortium of Greek companies for development between 2022 and 2029, it consists of: 1. 2. 3. COMBINED HEAT & POWER: WHITE DRAGON Advent Technologies Projects White Dragon & Green HiPo (4.65GW Green Hydrogen & 400MW Fuel Cells), approved by Greek Government and submitted to the European Union GW-scale variable renewable energy/electricity Hydrogen production & storage (electrolyzers used for green h2 production, and high-temperature fuel cells for energy storage, electricity grid stabilization, and district heating locally) Hydrogen and natural gas blending for pipeline transportation White Dragon RES Anna Electrolysers 4,6 GW Green HiPo ADVENT H2 Storage TAP NG Pipeline 100% hydrogen pipeline NG/H2 blend Pipeline Fuel Cell Production Units 400 MW Green HiPo H2 Distribution 3 Electricity and Heat production HRS / Transport E0000 Hydrogen Trading Hydrogen End Users Advent's two Greek Important Projects of Common European Interest ("IPCEI") have been approved by a joint decision by the Greek Minister of Development and Investments, Mr. Adonis Georgiadis, and the Greek Minister of Environment, Energy, and Climate Change, Mr. Kostas Skrekas, and now await EU approval. White Dragon (Decarbonization & Solar Power to Gas Project) Duration 2022-2029 (first phase) Green H2 production Power2Gas: 250,000 tons / year Green H2 for other uses: 58,000 to 71,000 tons / year Any Fuel. Anywhere. 17

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