Dassault Systèmes SE

Transaction in Own Shares • Dec 21, 2021

Vélizy-Villacoublay, December 21, 2021

DISCLOSURE OF TRADING IN OWN SHARES

(Repurchase program decided by the General Meeting of Shareholders of May 26, 2021)

Issuer: Dassault Systèmes SE Type of securities: ordinary shares Period: December 14 to December 17, 2021

Detailed information (presentation by day and by market and transaction-by-transaction details) can be consulted on the website of Dassault Systèmes:

https://investor.3ds.com/regulated-information/permanent-information

Presentation of the trading in own shares by day and by market

Name of issuer	Identification code of the issuer	Date of trading	Identification code of the financial instrument	Daily total volume (in number of shares)	Daily weighted average acquisition price of the shares*	Market
DASSAULT SYSTEMES	96950065LBWY0APQIM86	14-Dec-21	FR0014003TT8	71 000	51,7665	XPAR
DASSAULT SYSTEMES	96950065LBWY0APQIM86	14-Dec-21	FR0014003TT8	61 000	51,7151	DXE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	14-Dec-21	FR0014003TT8	18 000	51,7286	TQE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	17-Dec-21	FR0014003TT8	25 637	50,9780	XPAR
DASSAULT SYSTEMES	96950065LBWY0APQIM86	17-Dec-21	FR0014003TT8	13 334	50,9774	DXE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	17-Dec-21	FR0014003TT8	1 178	50,9571	TQE

(*)The weighted average unit price is a rounded price

CONTACTS: Dassault Systèmes: Investor Relations François-José Bordonado/Béatrix Martinez +33 1 61 62 69 24