Launch of the tender offer filed by Keysight Technologies on ESI Group’s shares

30 November 2023
Paris, France

ESI Group SA (ISIN Code: FR 0004110310, Symbol: ESI) (“ESI Group”) announces today that the tender offer for the shares of ESI Group at a price of 155 euros per share initiated by Keysight Technologies Inc. (NYSE: KEYS), through its fully owned subsidiary Keysight Technologies Netherlands B.V. (“Keysight”) (the "Offer") will be opened from December 1, 2023 (included) to January 8, 2024 (included).

On November 28, 2023, the Autorité des marchés financiers ("AMF") declared the Offer to be compliant and granted its approval (visa) to Keysight’s offer document (the "Offer Document") and to ESI Group’s note in response (the "Note in Response"), under numbers 23-492 and 23-493 respectively. The Offer Document, the Note in Response and the documents detailing other information relating to the legal, financial and accounting characteristics of Keysight and ESI Group have been made available to the public on November 29, 2023, in accordance with article 231-28 of the AMF's general regulations. 

The Offer Document, the other information relating to Keysight's legal, financial and accounting characteristics, the Note in Response, and the other information relating to ESI Group's legal, financial and accounting characteristics, may be consulted on the websites of the AMF ( and ESI Group (, and may be obtained free of charge from: 

ESI Group – Investors relations 

3 bis Rue Saarinen 

Immeuble le Séville 

94528 Rungis Cedex 


A toll-free number is available to ESI Group’s individual shareholders residing in France for any questions concerning the Offer (open Monday to Friday, 9:30am to 5:00pm): 0805 38 57 78. 

Georgeson is acting as information agent for ESI Group's institutional and individual shareholders (contact : M. Matthieu Simon Blavier - msb [at] et Mme. Christine Genin - christine.genin [at]


This press release has been prepared for information purposes only. It does not constitute an offer to the public or a solicitation of an offer to buy or sell shares in ESI Group, or an offer to sell, in any country, including France.

The Offer is made exclusively in France. The documents relating to the Offer (including the note in response thereto) are not intended for distribution in countries other than France or to be made available to residents of such countries unless permitted by the laws and regulations applicable to them, without any formality or publicity being required from ESI Group.

ESI Group accepts no liability for any breach by any person of the restrictions applicable to it.