Mare Engineering Group — M&A Activity 2025

Jun 20, 2025

MARE GROUP EXCEEDS 10% OF THE SHARE CAPITAL OF ELES AND BECOMES THE SECOND LARGEST SHAREHOLDER

Salerno, June 20, 2025

Mare Engineering Group S.p.A., an engineering company listed on Euronext Growth Milan (ticker MARE.MI) and active in Italy and abroad in innovation through enabling technologies ("Mare Group", the "Company" or the "Group"), in the context of the Voluntary Public Exchange Offer ("Offer") on the ordinary and multiple-vote shares of Eles Semiconductor Equipment S.p.A. ("Eles") announced on 10 June, announces that it has exceeded the threshold of 10% of the share capital of Eles S.p.A., reaching a stake of 1,781,000 shares, corresponding to 10.01% of the share capital and approximately 9.47% of voting rights, thus becoming its second largest shareholder, according to the information available on Eles' web site.

Please note that market transactions currently being carried out are not subject to pro-rata allocation, which will instead be applied should subscriptions exceed the quantity covered by the offer—after the official opening of the OPAS, tentatively scheduled between September and October 2025. The maximum purchase price is set at €2.25 per share.

Antonio Maria Zinno, CEO of Mare Group, commented: "This milestone, achieved just one day after surpassing the 5% threshold, further strengthens the industrial and strategic project promoted by Mare Group. Our increasing stake in Eles—pursued in full transparency on the market—is a deliberate choice that goes beyond merely speculative logics in order to implement a true industrial project. Our growth model is innovative, sustainable, and long-term oriented, aimed at creating jobs and value by integrating advanced engineering in adjacent sectors where technological independence is increasingly crucial. We believe in an Italy that invests in knowledge and people, restoring engineering to its central role as a driver of future development".

For all details and terms of the offer, please refer to the press release issued pursuant to Article 102 of Legislative Decree No. 58/1998 (TUF) available at https://www.maregroup.it/investor-relations. More comprehensive information, including financial data, will be made available in the Offer Document in accordance with applicable laws and regulations.

This press release is available on the Company's website https://www.maregroup.it/investor-relations and on the authorized system for the transmission and storage of regulated information at https:///.

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About the Company

Founded in 2001, Mare Group is an engineering company listed on Euronext Growth Milan, with a business model based on proprietary technological platforms. With more than 2,000 clients, a team of over 500 people, and 25 operational and commercial offices in 5 countries, Mare Group is a key player in the innovation ecosystem. Significant investments in R&D and the 16 acquisitions completed since 2019, followed by subsequent mergers, demonstrate the Group's strong ability to integrate complementary resources and technologies to expand its product portfolio and increase its market presence.

Contact Info

Issuer: Mare Group S.p.A. Gennaro Tesone (Investor Relations Manager) Via Ex Aeroporto s.n.c., 80038 Pomigliano d'Arco T. +39 081 803 6677 – E-mail investor-relator@maregroup.it

Euronext Growth Advisor: illimity Bank S.p.A. Via Soperga 9, 20124 Milano T. +39 0282849699 – E-mail maregroup@illimity.com Investor & Media Relations Advisor: IRTOP Consulting Via Bigli, 19 - 20121 Milano T. +39 0245473883 – E-mail ir@irtop.com (investors) – mediarelations@irtop.com (media)

Specialist: MIT SIM S.p.A. Corso Venezia 16, 20121 Milano T. +39 0230561270 – E-mail investor.relations@mitsim.it

www.maregroup.it info@maregroup.it