Eni

Notice of Dividend Amount • Feb 19, 2024

Eni S.p.A. Registered Office: Rome, Piazzale Enrico Mattei, 1 - Italy Company Share capital euro 4,005,358,876.00 fully paid up Rome Companies Register - Tax Identification Number 00484960588 VAT Number 00905811006, R.E.A. Rome No. 756453

Payment of the third tranche in place of the dividend 2023

DIGITAL

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The Board of Directors in the meeting held on 15 February 2024 resolved the distribution of the third tranche of the provision in place of the dividend 2023 through the use of available reserves of Eni S.p.A., for an amount of 0.24 euro per share (or 0.48 euro per ADR, being each ADR listed on the New York Stock Exchange representative of 2 Eni shares), gross of taxes to be paid, if any, for each share outstanding on the ex-dividend date (18 March 2024 ). This payment will take place on 20 March 2024, coupon No. 45 (record date 19 March 2024). The third tranche of the provision in place of the dividend to Beneficial Owners of ADRs will be payable on 8 April 2024, being 19 March 2024 the record date; the payment will be executed through Citibank, N.A., the Depositary of Eni's ADRs (388 Greenwich Street, 6th Floor New York, NY 10073). In order to receive the provision in place of the dividend, shareholders whose shares are non-dematerialized shall previously deliver such shares to a financial intermediary for their deposit with Monte Titoli S.p.A. (the Italian Central Securities Depository) and their subsequent dematerialization. The payment, according to the beneficial owners' tax treatment, may be subject to a withholding tax or may be considered as part of their taxable income.