•Dassault Systèmes becomes the first and only software provider today to be recognized as Groupe PSA’s preferred digital partner •Dassault Systèmes and Groupe PSA engage in long-term strategy with the intent to further deploy the 3DEXPERIENCE platform •New level of partnership will enable Groupe PSA to improve efficiency and innovation in challenging marketplace

•Dassault Aviation will rely on six Dassault Systèmes industry solution experiences to integrate business processes, improve performance and reduce costs •Deployment marks next step in Dassault Aviation’s digital transformation plan through a platform approach, launched in 2018 •Dassault Systèmes’ 3DEXPERIENCE platform will power artificial intelligence-based application for intelligent enterprise services

•Dassault Systèmes collaborated with SATS, Asia’s leading food solutions and gateway services provider, to boost operational efficiency, minimize food waste •Growth in airline passenger travel underscores need for sustainable excellence in aerospace industry-related commercial services •Digital twin experience with the 3DEXPERIENCE platform bridges the gap between the virtual and real for in-flight catering production

VÉLIZY-VILLACOUBLAY, France and NEW YORK — August 19, 2019 – Dassault Systèmes SE (Dassault Systèmes) (Euronext Paris: #13065, DSY. PA) and Medidata Solutions, Inc. ("Medidata") (NASDAQ: MDSO) announced that Medidata stockholders have approved on August 16, 2019 the proposed acquisition of Medidata by Dassault Systèmes. At a special meeting of Medidata stockholders held on August 16, 2019, 78% of Medidata’s total outstanding common stock voted in favor of the proposed acquisition and...

•Annual event in Shanghai gathers global decision-makers to discuss digital trends, insights and best practices for sustainable manufacturing in the Industry Renaissance •Speakers include thought leaders from ABB, Accenture, China Center for Information Industry Development, FAW Group Corporation, Huawei, IDC, SATS •Interactive workshops featuring the 3DEXPERIENCE platform highlight the transformative role of virtual worlds on the creation of new customer experiences

VÉLIZY-VILLACOUBLAY, France and NEW YORK — September 24, 2019 – Dassault Systèmes SE (Dassault Systèmes) (Euronext Paris: #13065, DSY. PA) and Medidata Solutions, Inc. ("Medidata") (NASDAQ: MDSO) announced that the Committee on Foreign Investment in the United States (CFIUS) will initiate an additional 45 calendar day examination for the proposed acquisition of Medidata by Dassault Systèmes. The parties continue to target the fourth quarter of 2019 for the closing of the...

•Lockheed Martin deploys the 3DEXPERIENCE platform as an engineering and manufacturing planning toolset •Multi-year collaboration aims to speed timelines and improve efficiencies of next generation products •Digital experience platform approach drives advances in complex, sophisticated aircraft innovation

VÉLIZY-VILLACOUBLAY, France — October 24, 2019 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA) announces IFRS unaudited financial results for the third quarter and nine months ended September 30, 2019. These results were reviewed by the Group’s Board of Directors on October 23, 2019. This press release also includes financial information on a non-IFRS basis with reconciliations included in the Appendix to this communication. All IFRS and non-IFRS figures are presented in compliance...

VÉLIZY-VILLACOUBLAY, France and NEW YORK, United States of America — October 24, 2019 – Dassault Systèmes SE ("Dassault Systèmes") (Euronext Paris: #13065, DSY. PA) and Medidata Solutions, Inc. ("Medidata") (NASDAQ: MDSO) announced that the Committee on Foreign Investment in the United States ("CFIUS") approved the proposed acquisition of Medidata by Dassault Systèmes. Receipt of CFIUS clearance was one of the final conditions to the merger. In accordance with the...

• The 3DEXPERIENCE Platform combines modeling, simulation, data science, artificial intelligence and collaboration in the virtual world to achieve sustainable innovation in life sciences • Dassault Systèmes, together with Medidata Solutions, will lead the digital transformation of life sciences in the age of personalized medicine and patient-centric experience • Connecting the 3DEXPERIENCE Platform with Medidata’s Clinical Trial platform connects the dots between research, development,...

●Electric air mobility pioneer used the 3DEXPERIENCE platform on the cloud to develop prototype in two years ●“Reinvent the Sky” industry solution experience provides full data security in a single, standards-based environment ●Dassault Systèmes enables companies of all sizes to create new categories of sustainable air mobility systems that will change how the world travels

•Fifteen new disruptive projects and startups from Belgium, China, France, India, South Africa and the U.S. join the 3DEXPERIENCE Lab accelerator program •New incubator and fab lab partners including Centech in Canada and OuiCrea in China will empower early stage projects from the outset •Since 2015, the 3DEXPERIENCE Lab has evaluated nearly 500 projects and grown its network of mentors to 1,200

•Survey of 3,000 consumers in the U.S., China and France examines views on personalization in healthcare, mobility, retail, and home and city environments •Personalization in healthcare, prioritized over other categories, will require AI, 5G and home assistant technologies to achieve, according to respondents •Consumers will pay on average 25.3% more for personalization, but they expect a savings in return •Generation X, millennials, and Generation Z are more willing to pay and share data...

Dassault Systèmes Reports First Quarter Financial Results With Recurring Software, Operating Margin and EPS At the High End of Its Non-IFRS Guidance