The following list indicates the relevant Eni shareholders, up to date as of last working day, on the basis of information available and communications received pursuant to Consob deliberation n 11971/99

Nb As provided in Economy and Finance Minister decree of November 30 2010, published  in the Gazzetta Ufficiale  n. 239 of December 16 2010, a stock swap took place, regarding among others, the transfer to Cassa Depositi e Prestiti S.p.A. (CDP S.p.A.) of n 655,891,140 of Eni ordinary shares, previously owned by the Ministry of Economy and Finance.
According to the foresaid decree, the transfer was completed on December 21 2010. The Ministry of Economy and Finance  still controls Eni, because of the share owned by CDP that is under the control of the Ministry, which possesses the 70% of its shares.
(*) Of which, 0,421% without voting rights.

The following company notified the indirect availability, through some asset management companies.

• Blackrock Inc. of a total number of ordinary shares equal to 2.68% of Eni's ordinary share capital, on 20th May 2010.