Declaration of the number of outstanding shares and voting rights as of October 31 , 2021 Vélizy-Villacoublay (France) November 8 , 2021 – Dassault Systèmes (Euronext Paris: #14003TT8, DSY.PA) reports below the total number of its outstanding shares and voting rights as of October 31, 2021,

Dassault Systèmes Delivers Strong Third Quarter Growth , Raises Guidance VÉ LIZY-VILLACOUBLAY, France — October 28 , 2021 — Dassault Systèmes (Euronext Paris: #14003TT8, DSY.PA) announces IFRS unaudited financial results for the third quarter ended September 30, 2021.

VÉLIZY-VILLACOUBLAY , France — October 14 th , 202 1 — Dassault Systèmes (Euronext Paris: FR0014003TT8, DSY.PA), the 3DEXPERIENCE Company, world leader in 3D design software, 3D Digital Mock Up and Product Lifecycle Management (PLM) solutions, will publish its operating performance for the third

VELIZY-VILLACOUBLAY, France, 11 th October 2021 – Dassault Systèmes (Euronext Paris: #14003TT8, DSY.PA) announces the launch of a global employee shareholding program. The employee shareholding program will be offered to approximately 98% of Dassault Systèmes' employees worldwide, as defined by the

                                                                                                        Vélizy-Villacoublay, October 6, 2021             Disclosure of trading in own shares                     (Repurchase program decided by the General Meeting of Shareholders of May 26, 2021)      

Declaration of the number of outstanding shares and voting rights as of September 30 , 2021 Vélizy-Villacoublay (France) October 6 , 2021 – Dassault Systèmes (Euronext Paris: #14003TT8, DSY.PA) reports below the total number of its outstanding shares and voting rights as of September 30, 2021,