Eni S.p.A. - Report on Treasury Share Purchase

On May 11, 2026, Eni acquired 861,111 of its own shares on the Euronext Milan market. This purchase, representing 0.03% of the company's share capital, was executed at a weighted average price of 23.2258 euros per share, totaling 19,999,991.86 euros. This transaction was part of the first tranche of the treasury share program approved by the Shareholders' Meeting on May 6, 2026, aimed at serving the 2026-2028 Long-Term Incentive Plan. Since the buyback program commenced on May 8, 2026, Eni has acquired a total of 1,736,924 shares, amounting to 0.06% of the share capital, for a total consideration of 39,999,969.95 euros. As of the report date, Eni holds 88,565,031 treasury shares, which constitutes 2.92% of the total share capital.