Dassault Systèmes

disclosure of trading in own shares

Press Release
VELIZY-VILLACOUBLAY, France — May 2, 2024

DISCLOSURE OF TRADING IN OWN SHARES
(Repurchase program decided by the General Meeting of Shareholders of May 24, 2023)

Issuer: Dassault Systèmes (Euronext Paris: FR0014003TT8, DSY.PA)
Type of securities: Ordinary shares
Period: April 26, 2024

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	26-Apr-24	FR0014003TT8	398142	37,8744	XPAR
DASSAULT SYSTEMES	96950065LBWY0APQIM86	26-Apr-24	FR0014003TT8	223962	37,8926	DXE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	26-Apr-24	FR0014003TT8	22789	37,8696	TQE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	26-Apr-24	FR0014003TT8	46301	37,8919	AQE
DASSAULT SYSTEMES	96950065LBWY0APQIM86	26-Apr-24	FR0014003TT8	1641420	37,7512	DXE
DASSAULT SYSTEMES	9695002I9DJHZ3449O66	26-Apr-24	FR0014003TT8	167386	37,7406	XPAR

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