Press Release

Milan, 21th November 2011

ALERION: TREASURY SHARES BUY - BACK

With reference to the treasury shares buy-back plan, Alerion Clean Power S.p.A. informs to have purchased, between the 15th November 2011 and the 18th November 2011 , n. 45.190 of treasury shares at an average unit price of Euro 4,2715 per share, for a total equivalent value of Euro 193.029.
Details of the transaction on a daily basis:

DATE

NUMBER OF ORDINARY SHARES PURCHASED

AVERAGE PRICE PER SHARE

COUNTERVALUE

15/11/2011

14.490

Euro 4,2513

Euro 61.601,34

16/11/2011

8.600

Euro 4,3333

Euro 37.266,38

17/11/2001

6.600

Euro 4,3320

Euro 28.591,20

18/11/2011

15.500

Euro 4,2303

Euro 65.569,65

TOTAL

45.190

Euro 4,2715

Euro 193.029

Pursuant to the purchases executed, Alerion Clean Power S.p.A. holds a total amount of n.
45.190 of treasury shares, corresponding to 0,10268% of its share capital.

Press: Investors and analysts:

Barabino & Partners S.p.A Alerion

Stefania Bassi Stefano Francavilla s.bassi@barabino.it stefano.francavilla@alerion.it

Tel. +39 02 7788901