AtoS SE

Transaction in Own Shares • Dec 24, 2021

Regulated information

ATOS SE

A European public limited-liability company ("Societas Europea") with a share capital of 110,730,332 euros Registered office: River Ouest, 80 Quai Voltaire – 95870 BEZONS Pontoise Registry of Commerce and Companies: 323 623 603

Disclosure of trading in own shares

Paris, December 24, 2021: Pursuant to applicable law on share buyback, Atos SE declares the following transactions in its own shares totaling € 4.3 million from Friday, December 17, 2021 to Thursday, December 23, 2021, as part of the mandate given to a financial intermediary as announced by the Group on Friday, December 17, 2021.

Name of the issuer	Issuer identity Code	Trading Session	ISIN	Number of shares purchased	Weighted average price (in euros)	Identity code of the Market Reference
Atos SE	ATO.PA	17/12/2021	FR0000051732	24,000	35.38	XPAR
Atos SE	ATO.PA	20/12/2021	FR0000051732	24,000	35.44	XPAR
Atos SE	ATO.PA	21/12/2021	FR0000051732	24,000	36.06	XPAR
Atos SE	ATO.PA	22/12/2021	FR0000051732	24,000	36.81	XPAR
Atos SE	ATO.PA	23/12/2021	FR0000051732	24,000	37.25	XPAR
Total				120,000

The detailed list of transactions is available on atos.net in the section Regulated Information [link].

Contacts

Investor Relations: Gilles Arditti +33 1 73 26 00 66

gilles.arditti@atos.net

About Atos

Atos is a global leader in digital transformation with 107,000 employees and annual revenue of over € 11 billion. European number one in cybersecurity, cloud and high performance computing, the Group provides tailored end-to-end solutions for all industries in 71 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea), listed on Euronext Paris and included in the CAC 40 ESG and Next 20 Paris Stock indexes.

The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.