Eni

Transaction in Own Shares • May 16, 2025

Eni launches the new share buyback program

San Donato Milanese (Milan), 16 May 2025 - Eni announces that, following the authorization granted by the Shareholders' Meeting held on 14 May 2025, the new share buyback program (the "new Share Buyback Program") will be launched in the next days.

The new Share Buyback Program, to be executed by April 2026, will concern up to a maximum of 315 million of Eni's shares (approximately 10% of share capital), up to a total maximum of €1.5 billion, as announced on 27 February 2025 in the context of the Capital Markets Update. This amount may be increased up to a total maximum of €3,5 billion, in case of upside scenarios of the Cash Flow From Operations.

The new Share Buyback Program will have the purpose of paying to the Shareholders an additional remuneration compared to the distribution of dividends, therefore, the treasury shares acquired will be cancelled without reduction of the share capital, by July 2026, in accordance with the resolutions of the Shareholders' Meeting held on 14 May 2025.

The purchases will be executed on the Euronext Milan through an authorized agent, who will act independently, also in relation to the timing of transactions and will be disclosed to the market in accordance with the terms and conditions set out in the laws and regulations in force.

Eni Company Contacts:

Press Office: Tel. +39.0252031875 – +39.0659822030 Freephone for shareholders (from Italy): 800940924 Freephone for shareholders (from abroad): + 800 11 22 34 56 Switchboard: +39-0659821 ufficio.stampa@eni.com segreteriasocietaria.azionisti@eni.com investor.relations@eni.com Web site: www.eni.com