This press release has been prepared by Esker SA and published pursuant to the provisions of Article 231-27 of the General Regulations of the Autorité des marchés financiers (“AMF”).

In accordance with the provisions of Article L. 621-8 of the French Monetary and Financial Code and Article 231-26 of the AMF’s General Regulations, the AMF has, pursuant to the compliance decision dated November 22, 2024, granted visa No. 24-496 on the reply offer document (the “Reply Document”) prepared by Esker SA in the context of the tender offer initiated by Boréal Bidco SAS (the “Offer”).

In accordance with the provisions of Article L. 621-8-1, I of the French Monetary and Financial Code, the visa was granted after the AMF verified “whether the document is complete and comprehensible and whether the information it contains is consistent". It does not imply approval of the appropriateness of the transaction, nor authentication of the accounting and financial elements presented.

IMPORTANT NOTICE

In accordance with Articles L. 433-4 II of the French Monetary and Financial Code and 232-4, 237-1 to 237-10 of the AMF’s General Regulation, Boréal Bidco SAS (the “Offeror”) intends to file a request with the AMF to carry out, within ten trading days from the publication of the notice of result of the Offer, or, as the case may be, in the event of a reopening of the Offer, within three months from the closing of the Reopened Offer, a squeeze-out procedure for the shares of Esker SA, for a unitary indemnity equal to the price of the Offer, i.e., €262 per Esker SA share, if the number of Esker SA shares not tendered to the Offer by the minority shareholders of Esker SA (other than the shares assimilated to shares held by Boréal Bidco SAS or any person acting in concert with the Offeror) does not represent, at the end of the Offer or, as the case may be, the Reopened Offer, more than 10% of the capital and voting rights of Esker SA.

The Offer is not being and will not be made in any jurisdiction where it would not be permitted under applicable law. The acceptance of the Offer by persons residing in countries other than France and the United States of America may be subject to specific obligations or restrictions imposed by legal or regulatory provisions. Recipients of the Offer are solely responsible for complying with such laws and, therefore, before accepting the Offer, they are responsible for determining whether such laws exist and

are applicable, by relying on their own advisors.

IMPORTANT DISCLAIMER

This press release has been prepared for information purposes only. It does not constitute a public offer (offre au public) and is not intended to be disseminated in the jurisdictions in which the Offer is not authorized. The dissemination of this press release, the Offer, and its acceptance may subject to specific regulations or restrictions in some countries. The Offer is not addressed to persons directly or indirectly subject to such restrictions, and may not be accepted in any way from a country in which the Offer is subject to such restrictions. Therefore, the persons in possession of this press release must inform themselves about and comply with any local restrictions that may apply. Esker SA may not be held responsible for any violation of such restrictions by anyone.