Information on HDF Shares and Voting Rights

As of May 31, 2025, Hydrogène de France (HDF) has 14,702,454 shares in its capital. The theoretical number of voting rights is 26,698,665, with 26,462,302 exercisable voting rights. These figures include treasury shares. This information is communicated in accordance with Article 223-11 of the AMF General Regulations, which requires the calculation of theoretical voting rights on all shares, including those deprived of voting rights.

HDF's financial information is available online. With a rapidly expanding international network and recognized expertise in the field of hydrogen, the company continues to develop significant and large-scale projects.