Press Release

Milan, 27 august 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 20thAugust 2012 and the 24thAugust2012, n. 23.500 of treasury shares at an average unit price of Euro 3,5389 per share, for a total equivalent value of Euro
83.163,40.
Details of the transaction on a daily basis:

DATE

NUMBER OF ORDINARY SHARES PURCHASED

AVERAGE PRICE PER SHARE

COUNTERVALUE

20/08/2012

6.000

Euro 3,5375

Euro 21.225

21/08/2012

6.000

Euro 3,5524

Euro 21.314,40

22/08/2012

5.000

Euro 3,5620

Euro 17.810

23/08/2012

5.000

Euro 3,5134

Euro 17.567

24/08/2012

1.500

Euro 3,4980

Euro 5.247

TOTAL

23.500

Euro 3,5389

Euro 83.163,40

Pursuant to the purchases executed as of 24 August 2012, Alerion Clean Power S.p.A. holds a total amount of n. 224.844 of treasury shares, corresponding to 0,51595% 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

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