Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorised.

Date: July 27, 2022

Eni: Report on the purchase of treasury shares

during the period from July 18 to July 22, 2022

San Donato Milanese (Milan), 27 July 2022 - During the period from July 18 to July 22, 2022, Eni acquired n. 4,045,462 shares, at a weighted average price per share equal to 11.0865 euro, for a total consideration of 44,849,967.60 euro within the authorization to purchase treasury shares approved at Eni's Shareholders' Meeting on 11 May 2022, previously subject to disclosure pursuant to art. 144-bis of Consob Regulation 11971/1999.

On the basis of the information provided by the intermediary appointed to make the purchases, the following are details of transactions for the purchase of treasury shares on the Euronext Milan on a daily basis:

Since the start of the programme, Eni purchased n. 29,365,475 treasury shares (equal to 0.82% of the share capital) for an aggregate amount of 355,017,884 euro. Following the purchases made until 22 July 2022, considering the treasury shares already held and the cancellation of 34,106,871 treasury shares resolved by Eni's Shareholders' Meeting of 11 May 2022, Eni holds n. 61,096,777 shares equal to 1.71% of the share capital.

Details of the daily transactions are reported below.