Leonardo S.p.A.

Share Issue/Capital Change • Oct 28, 2025

Data/Ora Ricezione : 28 Ottobre 2025 18:11:05

Oggetto : LEONARDO LAUNCHES AN ACCELERATED

BOOKBUILDING PLACEMENT TO SELL C. 9.4% OF AVIO'S SHARES IN THE CONTEXT

OF AVIO CAPITAL INCREASE

Testo del comunicato

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Press office PH: +39 06 32473313 leonardopressoffice@leonardo.com Investor Relations PH: +39 06 32473512 ir@leonardo.com

PRESS RELEASE

Not for publication, distribution or release directly or indirectly, in whole or in part, in or into the United States of America, Australia, Canada or Japan, or in any other jurisdiction in which offers or sales would be prohibited by applicable law.

This announcement is not an offer of securities for sale in any jurisdiction, including the United States, Canada, Australia or Japan. Neither this announcement nor anything contained herein shall form the basis of, or be relied upon in connection with, any offer or commitment whatsoever in any jurisdiction.

LEONARDO LAUNCHES AN ACCELERATED BOOKBUILDING PLACEMENT TO SELL C. 9.4% OF AVIO'S SHARES IN THE CONTEXT OF AVIO CAPITAL INCREASE

Rome, 28th October, 2025 – Leonardo announces the launch of an accelerated bookbuilding process addressed to institutional investors (the "Placement" or the "Transaction") of c. 2.6 million shares in Avio SpA ("Avio"), equivalent to c. 9.4% of its share capital.

The majority of proceeds from the Placement will be used to finance Leonardo's full exercise of the subscription rights associated with its residual stake in Avio, as part of its announced €400m capital increase, which has been approved by Avio's Extraordinary General Meeting on October 23rd, and which is expected to be completed by the end of 2025.

Post completion of the announced Transaction, Leonardo will remain Avio's shareholder with approximately 19% of the share capital.

Moreover, in the context of the Placement, Leonardo has undertaken a lock-up commitment for 90 days on its remaining shares in Avio.

The bookbuilding period will commence immediately following this announcement and may close at any time on short notice. The completion of the bookbuilding process and the results of the Offering will be announced as soon as practicable thereafter. Settlement of the placement is expected to take place on 31st October 2025.

Intesa Sanpaolo, Jefferies and Morgan Stanley are acting as Joint Global Coordinators and Joint Bookrunners in the transaction

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IMPORTANT INFORMATION

The distribution of this announcement and the offer and sale of the Placing Shares in certain jurisdictions may be restricted by law. The Placing Shares may not be offered to the public in any jurisdiction in circumstances which would require the preparation or registration of any prospectus or offering document relating to the Placing Shares in such jurisdiction. No action has been taken by Leonardo, the Joint Global Coordinators and Joint Bookrunners or any of their respective affiliates that would permit an offering of the Placing Shares or possession or distribution of

this announcement or any other offering or publicity material relating to such securities in any jurisdiction where action for that purpose is required.

This announcement is not for publication, distribution or release, directly or indirectly, in or into the United States of America (including its territories and dependencies, any State of the United States and the District of Columbia), Australia, Canada or Japan or any other jurisdiction where such an announcement would be unlawful. The distribution of this announcement may be restricted by law in certain jurisdictions and persons into whose possession this document or other information referred to herein comes should inform themselves about and observe any such restriction. Any failure to comply with these restrictions may constitute a violation of the securities laws of any such jurisdiction.

No prospectus or offering document has been or will be prepared in connection with the Placing. Any investment decision to buy securities in the Placing must be made solely on the basis of publicly available information. Such information is not the responsibility of and has not been independently verified by Leonardo, the Joint Global Coordinators and Joint Bookrunners or any of their respective affiliates.

The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and may not be offered or sold in the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act. Neither this document nor the information contained herein constitutes or forms part of an offer to sell or the solicitation of an offer to buy securities in the United States. There will be no public offer of any securities in the United States. No action has been taken that would permit an offering of the securities or possession or distribution of this announcement in any jurisdiction where action for that purpose is required. Persons into whose possession this announcement comes are required to inform themselves about and to observe any such restrictions.

In the EEA member states (each such EEA member state a "Relevant State"), this press release and the information contained herein is intended only for and directed only to "qualified investors" as defined in Regulation (EU) 2017/1129 of the European Parliament and of the Council of 14 June 2017 on the prospectus to be published when securities are offered to the public or admitted to trading on a regulated market, and repealing Directive 2003/71/EC (together with any related implementing and delegated regulations, the "Prospectus Regulation"). The securities mentioned in this press release are not intended to be offered to the public in any Relevant State and are only available to qualified investors. Persons in any Relevant State who are not qualified investors should not take any actions based on this press release, nor rely on it.

In the United Kingdom, this announcement and any other materials in relation to the securities described herein are only being distributed to, and are only directed at, and any investment or investment activity to which this document relates is available only to, and will be engaged in only with, "qualified investors" (within the meaning of assimilated Regulation (EU) 2017/1129 as it forms part of the law of the United Kingdom by virtue of the EU (Withdrawal) Act 2018) who (i) have professional experience in matters relating to investments which fall within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (as amended, the "Order"), (ii) are persons falling within Article 49(2)(a) to (d) of the Order, (iii) are outside the United Kingdom, or (iv) are persons to whom an invitation or inducement to engage in investment activity (within the meaning of section 21 of the Financial Services and Markets Act 2000) in connection with the issue or sale of any securities may otherwise lawfully be communicated or caused to be communicated (all such persons together being referred to as "relevant persons"). This announcement is directed only at relevant persons and must not be acted on or relied on by persons who are not relevant persons. Any investment or investment activity to which this announcement relates is available only to relevant persons and will be engaged in only with relevant persons.

Intesa Sanpaolo S.p.A., Jefferies GmbH and Morgan Stanley & Co. International plc are acting for Leonardo only in connection with the Placing and will not be responsible to anyone other than Leonardo for providing the protections offered to the respective clients of the Joint Global Coordinators and Joint Bookrunners, nor for providing advice in relation to the Placing or any matters referred to in this announcement.

Leonardo is an international industrial group, among the main global companies in Aerospace, Defence, and Security (AD&S). With 60,000 employees worldwide, the company approaches global security through the Helicopters, Electronics, Aeronautics, Cyber & Security and Space sectors, and is a partner on the most important international programmes such as Eurofighter, JSF, NH-90, FREMM, GCAP, and Eurodrone. Leonardo has significant production capabilities in Italy, the UK, Poland, and the USA. Leonardo utilises its subsidiaries, joint ventures, and shareholdings, which include Leonardo DRS (71.6%), MBDA (25%), ATR (50% ), Hensoldt (22.8%), Telespazio (67%), Thales Alenia Space (33%), and Avio (28.7%). Listed on the Milan Stock Exchange (LDO), in 2024 Leonardo recorded new orders for €20.9 billion, with an order book of €44.2 billion and consolidated revenues of €17.8 billion. Included in the MIB ESG index, the company has also been part of the Dow Jones Sustainability Indices (DJSI) since 2010.

Ufficio Stampa T: +39 06 32473313 leonardopressoffice@leonardo.com Investor Relations T: +39 06 32473512 ir@leonardo.com

COMUNICATO STAMPA

Not for publication, distribution or release directly or indirectly, in whole or in part, in or into the United States of America, Australia, Canada or Japan, or in any other jurisdiction in which offers or sales would be prohibited by applicable law.

This announcement is not an offer of securities for sale in any jurisdiction, including the United States, Canada, Australia or Japan. Neither this announcement nor anything contained herein shall form the basis of, or be relied upon in connection with, any offer or commitment whatsoever in any jurisdiction.

LEONARDO AVVIA UN'OPERAZIONE DI ACCELERATED BOOKBUILDING PER LA VENDITA DI CIRCA 9,4% DELLE AZIONI AVIO NELL'AMBITO DELL'AUMENTO DI CAPITALE DI AVIO

Roma, 28/10/2025 –

Leonardo annuncia l'avvio di un processo di accelerated bookbuilding rivolto a investitori istituzionali (il "Collocamento" o la "Transazione") per il collocamento di circa 2,6 milioni di azioni di Avio S.p.A. ("Avio"), pari a circa 9,4% del capitale sociale.

La maggioranza dei proventi derivanti dal Collocamento sarà utilizzata per finanziare l'esercizio integrale, da parte di Leonardo, dei diritti di opzione relativi alla partecipazione residua detenuta in Avio, nell'ambito dell'aumento di capitale da €400 milioni già annunciato, approvato dall'Assemblea Straordinaria di Avio il 23 ottobre, e la cui conclusione è prevista entro la fine del 2025.

A seguito del completamento della Transazione annunciata, Leonardo rimarrà azionista di Avio con una partecipazione di circa 19% del capitale sociale.

Inoltre, nel contesto del Collocamento, Leonardo si è impegnata a un periodo di lock-up di 90 giorni sulle azioni residue detenute in Avio.

Il periodo di bookbuilding inizierà immediatamente dopo la pubblicazione del presente comunicato e potrà chiudersi in qualsiasi momento con breve preavviso. Il completamento del processo di bookbuilding e i risultati dell'Offerta saranno comunicati non appena possibile successivamente. Il regolamento dell'operazione è previsto per il 31 ottobre 2025.

Intesa Sanpaolo, Jefferies e Morgan Stanley agiscono in qualità di Joint Global Coordinators e Joint Bookrunners nell'ambito della Transazione.

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IMPORTANT INFORMATION

The distribution of this announcement and the offer and sale of the Placing Shares in certain jurisdictions may be restricted by law. The Placing Shares may not be offered to the public in any jurisdiction in circumstances which would require the preparation or registration of any prospectus or offering document relating to the Placing Shares in such jurisdiction. No action has been taken by Leonardo, the Joint Global Coordinators and Joint Bookrunners or any of their respective affiliates that would permit an offering of the Placing Shares or possession or distribution of this announcement or any other offering or publicity material relating to such securities in any jurisdiction where action for that purpose is required.

This announcement is not for publication, distribution or release, directly or indirectly, in or into the United States of America (including its territories and dependencies, any State of the United States and the District of Columbia), Australia, Canada or Japan or any other jurisdiction where such an announcement would be unlawful. The distribution of this announcement may be restricted by law in certain jurisdictions and persons into whose possession this document or other information referred to herein comes should inform themselves about and observe any such restriction. Any failure to comply with these restrictions may constitute a violation of the securities laws of any such jurisdiction.

No prospectus or offering document has been or will be prepared in connection with the Placing. Any investment decision to buy securities in the Placing must be made solely on the basis of publicly available information. Such information is not the responsibility of and has not been independently verified by Leonardo, the Joint Global Coordinators and Joint Bookrunners or any of their respective affiliates.

The securities referred to herein have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and may not be offered or sold in the United States except pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act. Neither this document nor the information contained herein constitutes or forms part of an offer to sell or the solicitation of an offer to buy securities in the United States. There will be no public offer of any securities in the United States. No action has been taken that would permit an offering of the securities or possession or distribution of this announcement in any jurisdiction where action for that purpose is required. Persons into whose possession this announcement comes are required to inform themselves about and to observe any such restrictions.

In the EEA member states (each such EEA member state a "Relevant State"), this press release and the information contained herein is intended only for and directed only to "qualified investors" as defined in Regulation (EU) 2017/1129 of the European Parliament and of the Council of 14 June 2017 on the prospectus to be published when securities are offered to the public or admitted to trading on a regulated market, and repealing Directive 2003/71/EC (together with any related implementing and delegated regulations, the "Prospectus Regulation"). The securities mentioned in this press release are not intended to be offered to the public in any Relevant State and are only available to qualified investors. Persons in any Relevant State who are not qualified investors should not take any actions based on this press release, nor rely on it.

In the United Kingdom, this announcement and any other materials in relation to the securities described herein are only being distributed to, and are only directed at, and any investment or investment activity to which this document relates is available only to, and will be engaged in only with, "qualified investors" (within the meaning of assimilated Regulation (EU) 2017/1129 as it forms part of the law of the United Kingdom by virtue of the EU (Withdrawal) Act 2018) who (i) have professional experience in matters relating to investments which fall within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (as amended, the "Order"), (ii) are persons falling within Article 49(2)(a) to (d) of the Order, (iii) are outside the United Kingdom, or (iv) are persons to whom an invitation or inducement to engage in investment activity (within the meaning of section 21 of the Financial Services and Markets Act 2000) in connection with the issue or sale of any securities may otherwise lawfully be communicated or caused to be communicated (all such persons together being referred to as "relevant persons"). This announcement is directed only at relevant persons and must not be acted on or relied on by persons who are not relevant persons. Any investment or investment activity to which this announcement relates is available only to relevant persons and will be engaged in only with relevant persons.

Intesa Sanpaolo S.p.A., Jefferies GmbH and Morgan Stanley & Co. International plc are acting for Leonardo only in connection with the Placing and will not be responsible to anyone other than Leonardo for providing the protections offered to the respective clients of the Joint Global Coordinators and Joint Bookrunners, nor for providing advice in relation to the Placing or any matters referred to in this announcement.

Leonardo è un gruppo industriale internazionale, tra le principali realtà mondiali dell'Aerospazio, Difesa e Sicurezza (AD&S). Con oltre 60mila dipendenti nel mondo, opera per la sicurezza globale attraverso i settori degli Elicotteri, Elettronica, Aeronautica, Cyber & Security e Spazio, ed è partner dei più importanti programmi internazionali come Eurofighter, JSF, NH-90, FREMM, GCAP e Eurodrone. Leonardo dispone di rilevanti capacità produttive in Italia, Regno Unito, Polonia e USA, e si avvale anche di società controllate, joint venture e partecipazioni, tra cui Leonardo DRS (71,6%), MBDA (25%), ATR (50%), Hensoldt (22,8%), Telespazio (67%), Thales Alenia Space (33%) e Avio (28,7%). Quotata alla Borsa di Milano (LDO), nel 2024 Leonardo ha registrato nuovi ordini per 20,9 miliardi di euro, con un portafoglio ordini di 44,2 miliardi di euro e ricavi consolidati per 17,8 miliardi di euro. Inclusa anche nell'indice MIB ESG, l'azienda fa parte dal 2010 dei Dow Jones Sustainability Indices (DJSI).