Eni S p A : Board of Directors

Approval of the fourth tranche of the provision in place of the 2022 dividend: € 0.22 per share

Ravenna, 16 March 2023 - Eni's Board of Directors, chaired by Lucia Calvosa, today resolved to distribute to Shareholders the fourth of the four tranches of the provision in place of the dividend 2022 from Eni S.p.A. available reserves[1] of € 0.22 (compared to a total annual provision, in place of the dividend, equal to € 0.88) per share outstanding at the ex-dividend date as of 22 May 2023[2], payable on 24 May 2023[3], as resolved by the Shareholders' Meeting of 11 May 2022.

Holders of ADRs, outstanding at the record date of 23 May 2023, will receive € 0.44 per ADR, payable on 8 June 2023[4], with each ADR listed on the New York Stock Exchange representing two Eni shares.

_{[1] Coupon No. 42}

_{[2] Depending on the recipient's fiscal status the payment is subject to a withholding tax or are treated in part as taxable income.}

_{[3] Pursuant to article 83-terdecies of the Italian Legislative Decree no. 58 of February 24, 1998, the right to receive the payment is determined with reference to the entries on the books of the intermediary - as set out in art. 83-quater, paragraph 3 of the Italian Legislative Decree no. 58 of February 24, 1998 - at the end of the accounting day of the 23 May 2023 (record date).}

_{[4]On ADR payment date, Citibank, N.A. will pay net of the amount of the withholding tax under Italian law applicable to all Depository Trust Company Participants.}