ESI Group

AGM Information • May 11, 2021

Press Release Paris, France, May 11 th , 2021 – 6 pm

Termination of the Shareholders' agreement

ESI Group, Paris, France, (ISIN Code: FR0004110310, Symbol: ESI), takes note of the announcement of some shareholders to the company and AMF (Autorité des marchés et financiers) of the termination of a shareholders' agreement (article L. 233-11 of the French Commercial Code) and the end of concerted action ("action de concert"). This notification is in line with the press release published on February 8, 2021 on the evolution of governance.

ESI Group was informed of the desire of Amy-Sheldon Loriot de Rouvray, Cristel Loriot de Rouvray, John-Alexandre Loriot de Rouvray, Amy-Louise Loriot de Rouvray, and the Dubois estate represented by Xiumei Dubois to exit, each insofar as they are concerned, the shareholders' agreement concluded on October 25, 2000. It is specified that the effective date of termination of the shareholders' agreement is June 5, 2021.

The action in concert between these shareholders terminated on May 5, 2021 and the declarations of threshold crossing were made to the AMF accordingly.

In this context, on May 5th, 2021:

• Alain Loriot de Rouvray stated that he alone held 1,207,391 ESI Group shares representing 2,414,782 voting rights, i.e. 19.93% of the capital and 29.00% of the voting rights;
• Amy-Sheldon Loriot de Rouvray stated that she alone held 2,184 ESI Group shares representing 4,368 voting rights, i.e. 0.04% of the capital and 0.05% of the voting rights;
• Cristel Loriot de Rouvray stated that she alone held 206,270 ESI Group shares representing 412,540 voting rights, i.e. 3.40% of the capital and 4.95% of the voting rights;
• John-Alexandre Loriot de Rouvray stated that he alone held 204,270 ESI Group shares representing 408,540 voting rights, i.e. 3.37% of the capital and 4.91% of the voting rights;
• Amy-Louise Loriot de Rouvray stated that she alone held 204,275 ESI Group shares representing 408,550 voting rights, i.e. 3.37% of the capital and 4.91% of the voting rights; and
• Xiumei Dubois stated that she alone held 346,619 ESI Group shares representing 693,238 voting rights, i.e. 5.72% of the capital and 8.32% of the voting rights.

Upcoming event

• Annual General meeting June 22, 2021 (4pm CET)
• Half year results September 7, 2021 (6pm CET)
• Investor day early Fall 2021 (date to be announced)

Contacts Florence Barré investors@esi-group.com +33 1 49 78 28 28

ESI - Shareholder Relations Verbatee - Press & Shareholder Relations JJérôme Goaer, j.goaer@verbatee.com, +33 6 61 61 79 34 Aline Besselièvre, a.besselievre@verbatee.com, +33 6 61 85 10 05

About ESI Group

Founded in 1973, ESI Group envisions a world where Industry commits to bold outcomes, addressing high stakes concerns environmental impact, safety & comfort for consumers and workers, adaptable and sustainable business models. ESI provides reliable and customized solutions anchored on predictive physics modeling and virtual prototyping expertise to allow industries to make the right decisions at the right time, while managing their complexity. Acting principally in automotive & land transportation, aerospace, defense & naval, energy and heavy industry, ESI is present in more than 20 countries, employs 1200 people around the world and reported 2020 sales of €132.6 million. ESI is headquartered in France and is listed on compartment B of Euronext Paris.

For further information, go to www.esi-group.com.