Press Release

Milan, 24 September 2012

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 17thSeptember 2012 and the 21thSeptember 2012, n. 46.893 of treasury shares at an average unit price of Euro 3,6349 per share, for a total equivalent value of Euro 170.452,71.
Details of the transaction on a daily basis:

DATE

NUMBER OF ORDINARY SHARES PURCHASED

AVERAGE PRICE PER SHARE

COUNTERVALUE

17/09/2012

18.349

Euro 3,5766

Euro 65.627,03

18/09/2012

2.000

Euro 3,5820

Euro 7.164,00

19/09/2012

9.781

Euro 3,6760

Euro 35.954,96

20/09/2012

7.000

Euro 3,6767

Euro 25.736,90

21/09/2012

9.763

Euro 3,6843

Euro 35.969,82

TOTAL

46.893

Euro 3,6349

Euro 170.452,71

Pursuant to the purchases executed as of 21 September, Alerion Clean Power S.p.A. holds a total amount of n. 295.393 of treasury shares, corresponding to 0,67783% of its share capital. Press:Investorsandanalysts:

Barabino & Partners S.p.A Alerion

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

Tel. +39 02 7788901

ALERION

CLEAN P OWER

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