Investor Presentaiton

Alstom's global supply chain - a competitive advantage Leveraging our proximity to customers for localization and best cost capabilities 14% DACH 23% FRANCE 10% North America (NAM) 6% Latin America (LAM) % of global spend 5% AMECA 31% EUROPE 7% APAC 4% Australia Global Spend ~14€ Bn • 12 months rolling 6% of Supply Base (1200 suppliers) represents 80% of Global Spend (11.7 Bn€) Supply Chain 22K Suppliers Direct and Indirect Scope · Panel reduction : -10% . Improve supply chain Performance to deliver projects and reinforce Risk Management culture Direct Commodities 75 Strengthen Alliance Partnership Program for a better supplier relationship management Critical Suppliers Sig Sys 16% 50 Sub Systems 24% 70 25 57 Interiors 16% 29 19 Metallic 21% Elec & Prop 23% 0 Apr 2022 Apr 2023 Total L1 & L2 70 57 L1 & L2>3M 29 19 • Encourage Regional to Regional proximity and enable localization Deploy decarbonization plan for Scope 3, Purchased Goods and Services -30% in 2030 • Strengthen supplier development (capacity and capability) • © ALSTOM SA 2023. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is provided without liability and is subject to change without notice. Reproduction, use, alter or disclosure to third parties, without express written authorisation from Alstom, is strictly prohibited. Performance of most impactful improved by ~30% in a year ALSTOM 11

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