Press Release

VELIZY-VILLACOUBLAY, France — July 31, 2024

DISCLOSURE OF TRADING IN OWN SHARES(Repurchase program decided by the General Meeting of Shareholders of May 22, 2024)

Issuer: Dassault Systèmes (Euronext Paris: FR0014003TT8, DSY.PA)
Type of securities: Ordinary shares
Period: July 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/regulatedinformation/permanent-information
Presentation of the trading in own shares by day and by marketIdentification code
Date of tradingof the financial
instrument

Daily total
volume(in numberof shares)

Daily weighted
averageacquisition priceof the shares*

MarketName of issuer

Identification code of theissuer

DASSAULT SYSTEMES

9695002I9DJHZ3449O66

26-Jul-24

FR0014003TT8337,892

34.7558XPARDASSAULT SYSTEMES

96950065LBWY0APQIM86

26-Jul-24

FR0014003TT8280,154

34.7882XPAR

DASSAULT SYSTEMES

96950065LBWY0APQIM86

26-Jul-24

FR0014003TT81,321,954

34.8243DXEDASSAULT SYSTEMES

96950065LBWY0APQIM8626-Jul-24

FR0014003TT820,000

34.7913TQE

DASSAULT SYSTEMES

96950065LBWY0APQIM86

26-Jul-24

FR0014003TT840,000

34.8891

AQE(*)The weighted average unit price is a rounded priceDeclarations related to crossing of threshold must be sent to:Dassault Systèmes, Investor Relations Service, 10, rue Marcel Dassault, CS 40501, 78946
Vélizy-Villacoublay Cedex (France). E-mail address: Investors@3ds.com###ABOUT DASSAULT SYSTÈMESDassault Systèmes is a catalyst for human progress. We provide business and people with collaborativevirtual environments to imagine sustainable innovations. By creating virtual twin experiences of the realworld with our 3DEXPERIENCE platform and applications, our customers can redefine the creation,production and life-cycle-management processes of their offer and thus have a meaningful impact to makethe world more sustainable. The beauty of the Experience Economy is that it is a human-centered economy
for the benefit of all –consumers, patients and citizens.
Dassault Systèmes brings value to more than 350,000 customers of all sizes, in all industries, in more than150 countries. For more information, visit www.3ds.com
Dassault Systèmes Investor Relations Team
Béatrix Martinez :+33 1 61 62 40 73 / 69 24
investors@3ds.com

FTI Consulting
Arnaud de Cheffontaines: +33 1 47 03 69 48
Jamie Ricketts : +44 20 3727 1600
Tom Blundell: +44 20 3727 1600

Dassault Systèmes Press Contacts
Corporate / France
Arnaud Malherbe: +33 1 61 62 87 73
arnaud.malherbe@3ds.com© Dassault Systèmes. All rights reserved. 3DEXPERIENCE, the 3DS logo, the Compass icon, IFWE, 3DEXCITE, 3DVIA, BIOVIA,CATIA, CENTRIC PLM, DELMIA, ENOVIA, GEOVIA, MEDIDATA, NETVIBES, OUTSCALE, SIMULIA and SOLIDWORKS arecommercial trademarks or registered trademarks of Dassault Systèmes, a European company (Societas Europaea) incorporated
under French law, and registered with the Versailles trade and companies registry under number 322 306 440, or its subsidiaries inthe United States and/or other countries. All other trademarks are owned by their respective owners. Use of any Dassault Systèmesor its subsidiaries trademarks is subject to their express written approval.