Eni S.p.A. - Report on Treasury Share Purchases (June 1-5, 2026)

During the period from June 1st to June 5th, 2026, Eni S.p.A. acquired 4,311,291 treasury shares on the Euronext Milan. This acquisition, representing 0.14% of the share capital, was executed at a weighted average price of €23.1949 per share, totaling €99,999,945.45. These purchases were part of the second tranche of the treasury share program approved by the Shareholders' Meeting on May 6th, 2026. The program aims to provide additional remuneration to shareholders beyond dividend distributions. Since the buyback program began on May 8th, 2026, Eni has acquired a total of 11,182,647 shares, or 0.37% of the share capital, for a cumulative consideration of €259,916,527.52. Following these transactions, Eni holds 98,010,754 treasury shares, which constitutes 3.24% of the company's share capital.