Hellenic Exchanges: Announcement of Regulated Information

Hellenic Exchanges S.A. announces, pursuant to Law 3556/2007 and Law 3606/2007 that Eurobank EFG Equities notified it on 23.12.2011 that:

1.On 22.12.2011 it bought 35 HELEX futures at a total value of EUR9,935.00

2.Οn 22.12.2011 it sold 3,500 HELEX common registered shares, at a total value of EUR10,050.00

In addition, Eurobank EFG Equities notified the company on 28.12.2011 that:

3. Οn 23.12.2011 it bought 300 HELEX common registered shares, at a total value of EUR867.00

4. Οn 23.12.2011 it sold 300 HELEX common registered shares, at a total value of EUR869.00

The transactions # 1-2 by Eurobank EFG Equities took place in its capacity as market maker in the derivatives market.