 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 quarter 2021, ended September 30t h, 2021, on Thursday, October 28th, 2021. 