14.07.2008     13/08: Topsil submits bid to buy the Polish company Cemat-Silicon S.A.

09.06.2008     12/08: Insider transaction

23.05.2008     11/08: Insider transaction

22.05.2008     10/08: Insider transaction

15.05.2008     09/08: Insider transaction

07.05.2008     08/08: Quarterly report, 1st quarter 2008

14.04.2008     07/08: Minutes of Extraordinary General Meeting 2008

03.04.2008     06/08: Notice convening Extraordinary General Meeting 2008

02.04.2008     05/08: Minutes of Annual General Meeting 2008

25.03.2008                Annual Report 2007

19.03.2008     04/08: Notice convening Annual General Meeting

29.02.2008     03/08: Insider transaction

29.02.2008     02/08: Capital increase due to exercise of warrants

28.02.2008     01/08: Notification concerning the 2007 financial results