 Press Release VELIZY-VILLACOUBLAY, France January 9, 2023 Dassault Systèmes Governance Plan Announced in 2022 Now Effective Dassault Systèmes Euronext Paris: FR0014003TT8, DSY.PA announces that the governance organization carefully crafted over years and aligned with the company long term strategy, as communicated on April 27, 2022, is effective today: Charles Edelstenne, Founder, is handing over ...... 