 VÉLIZY-VILLACOUBLAY, France March 18, 2021 Dassault Systèmes Euronext Paris: 13065, DSY.PA announces that the Board of Directors is proposing to the next General Meeting of Shareholders of May 26, 2021 the approval of a dividend of 0.56 per share for the year 2020, payable in cash only. Shares would be traded ex-dividend as of May 28, 2021 and dividends would be made payable on June 1, 2021. 