About HDF HDF Energy is a global pioneer in hydrogen energy. HDF develops, finances and operates multi-megawatts Hydrogen-Power plants. These plants provide continuous or on-demand electricity from renewable energy sources (wind or solar), combined with high power fuel cells supplied by HDF. HDF has developed the world’s first mass production plant for high-power fuel cells for energy, which will be commissioned in France in 2023. Through this activity, HDF Energy will also serve the maritime and data center markets. HDF Energy is a powerful accelerator of the energy transition by offering non-intermittent, grid-friendly and on-demand renewable power. HDF is a company listed on the regulated market of Euronext Paris.

About SHS – Stahl-Holding-Saar, Dillinger and Saarstahl Founded in 2001, SHS – Stahl-Holding-Saar GmbH & Co. KGaA (SHS) is today an operational management holding company which since 2010 has been actively taking on activities for the Saarland steel companies Dillinger and Saarstahl. Dillinger is a world leader in the manufacture of high-grade heavy plate steel. High-tech plate from Dillinger is used to realize extraordinary and technically advanced projects all over the globe, including in the areas of steel construction, engineering, offshore, offshore wind power, and line pipe and boiler construction. Dillinger is already producing the steels today that are needed for the energy transition and climate reversal. Saarstahl specializes in the production of wire rod, bar steel, billets and forged products in premium qualities. With innovative products and intelligent technologies, Saarstahl is helping find answers to global challenges like mobility, energy efficiency and safety. Saarstahl products are in demand by the automotive and construction industries, the power engineering industry, the aerospace industry, by general mechanical engineering and by other steel processing industries, and they are used in applications that can be subjected to the most extreme conditions. Both companies are working in unison to grow, become more flexible and enhance the competitive edge in their respective markets. Close to 14,000 people worldwide are employed under the SHS umbrella.

About STEAG GmbH For over 80 years, STEAG is standing for efficient and reliable power generation, both in Germany and abroad. As an experienced partner, we support our customers comprehensively in all phases of power supply. We design, develop, implement, operate and market highly efficient energy solutions – from distributed generation facilities and those based on renewable sources to large central power plants. Together with customized solutions in the field of electricity and heat supply, we also provide a wide range of energy services – increasingly on the basis of renewables. Successfully so: Since 1990, STEAG has permanently reduced its own CO2 emissions in Germany by approximately 85 percent.

Contacts for media inquiries

Contact Creos Deutschland GmbH Mrs. Carola Jung Tel: +49 (0)6841 9886 66 44-113 Mob: +49 (0)175 1825-086 carola.jung@creos-net.de https://www.creos-net.de	Contact Encevo S.A. Corporate Communication Tel: (+352) 2737 -9510 communication@encevo.eu www.encevo.eu	Contact GazelEnergie Mrs. Camille Jaffrelo Tel : +33 (0)6 32 70 05 38 camille.jaffrelo@gazelenergie.fr https://gazelenergie.fr/	Contact GRTgaz Mrs. Sylvie Antonini Tel : (+33) (0)7 60 53 33 10 sylvie.antonini@grtgaz.com www.grtgaz.com
Contact H2V Mrs. Ann-Katrin Bureau Jégo Tel: + 33 (0)6 64 68 84 81 ann-katrin.bureaujego@h2v.net https://h2v.net/	Contact HDF Mrs. Hanane El Hamraoui Tel: +33 (0)6 26 99 68 99 Hanane.elhamraoui@hdf- energy.com	Contacts SHS – Stahl-Holding-Saar Mrs. Juliane Wernet Tel: +49 (0)6898 10-2234 juliane.wernet@stahl-holding- saar.de Mrs. Ute Engel Tel: +49 (0)6898 10-2265 ute.engel@stahl-holding-saar.de www.stahl-holding-saar.de	Contact Steag Mr. Daniel Mühlenfeld Tel : +49 (0)201 801-4262 Daniel.Muehlenfeld@steag.com www.steag.com