Genoa

Disclosure regarding the purchase of treasury shares

Genoa, 28 May 2012 - ERG hereby reports that, within the scope of the authorisation to purchase treasury shares resolved by the Shareholders' Meeting on 20 April 2012 (as referred to in previous disclosures to the market via press releases disseminated on 20 April, 11 May and 14 May 2012), in the period from 21 to 25 May 2012 it purchased on the Electronic Share Market 1,134,093 ordinary shares (corresponding to 0.754% of share capital) at the average price of Euro 4.5085 per share, for a total amount of Euro 5,113,100.31.

The following table sets out details of daily purchase transactions:

Date

Number of shares

Average price

Total amount

21/05/2012

204,556

€ 4.3781

€ 895,566.62

22/05/2012

212,209

€ 4.4753

€ 949,698.94

23/05/2012

220,461

€ 4.4527

€ 981,646.69

24/05/2012

221,898

€ 4.4229

€ 981,432.66

25/05/2012

274,969

€ 4.7451

€ 1,304,755.40

Total

1,134,093

€ 4.5085

€ 5,113,100.31

Following the aforesaid transactions and taking into consideration the shares already held in portfolio, as at 25 May 2012 ERG holds 4,004,077 treasury shares, corresponding to 2.664% of the Company's share capital.

Contacts:

Alessandra MariottiPress Office - tel. + 39 010 2401364 cell. + 39 335 8053395 e-mail: stampa@erg.it
Emanuela DelucchiIR Manager - tel. + 39 010 2401806 - e-mail: edelucchi@erg.it
Matteo BagnaraIR -tel. + 39 010 2401423 - e-mail: ir@erg.it - www.erg.it
distributed by