Shares held by the Company's Senior Officers and Top Managers

The information contained in the table below was obtained from the internal dealing communications transmitted by the interested persons

Last and first name	Position	Company in which stake is held	Number of shares held
Colombo Paolo Andrea	Chairman – Enel S.p.A.	Enel S.p.A.	59,452 (1)
Conte Carlo	Regular Auditor – Enel S.p.A.	Enel Green Power SpA	2,000 (2)
Conti Fulvio	Chief Executive Officer and General Manager – Enel S.p.A.	Enel S.p.A. Endesa SA Enel Green Power SpA	643,132 (3)
			200
			156,900 (4)
Mariconda Gennaro	Regular Auditor – Enel S.p.A.	Enel S.p.A.	456,472 (5)
Napolitano Fernando	Director – Enel S.p.A.	Enel S.p.A. Enel Green Power SpA	76,540
Napolitano Fernando	Director – Enel S.p.A.	Enel S.p.A. Enel Green Power SpA	34,000 (6)
Salsone Antonia Francesca	Alternate Auditor – Enel S.p.A.	Enel S.p.A.	3,040
Taraborrelli Angelo	Director – Enel S.p.A.	Enel S.p.A.	20,500
Tutino Franco	Alternate Auditor – Enel S.p.A.	Enel S.p.A.	262 (2)
Managers with strategic responsibilities	Managers with strategic responsibilities currently include the Heads of Enel S.p.A. Departments and Division Heads, for a total of 17 management positions	Enel S.p.A. Endesa SA Enel Green Power SpA	407,735
			400
			353,000

(1) 51,566 are held personally and 7,886 by spouse.
(2) All held by spouse.
(3) 634,525 are held personally and 8,607 by spouse.
(4) 132,900 are held personally and 24,000 by spouse.
(5) 291,976 are held personally and 164,496 by spouse.
(6) 24,000 are held personally and 10,000 by spouse.

Last updating as of: May 11, 2012