18.12.2009     18/09: Financial calendar 2010

04.12.2009     17/09: Topsil Semiconductor Materials acquires remaining shares of Cemat Silicon S.A.

01.12.2009     16/09: Report on insider transaction

12.11.2009     15/09: Interim report for the nine months ended 30 September 2009

20.08.2009     14/09: Interim report for the six months ended 30 June 2009

25.05.2009     13/09: Change in Articles of Association

25.05.2009     12/09: Warrant and bonus programme for the Management and 
                                warrant programme for managerial employees

25.05.2009     11/09: Interim report for the three months ended 31 March 2009

15.05.2009     10/09: Change in Articles of Association

14.05.2009     09/09: Decisions of extraordinary general meeting 2009

01.05.2009     08/09: Notice of extraordinary general meeting

30.04.2009     07/09: Decisions of annual general meeting 2009

20.04.2009     06/09: Notice of annual general meeting 2009

20.04.2009                Annual Report 2008

03.04.2009     05/09: Capital increase - correction

01.04.2009     04/09: Change in Articles of Association

01.04.2009     03/09: Report on insider transactions

30.03.2009     02/09: Capital increase due to exercise of warrants

24.03.2009     01/09: Full Year Profit Announcement 2008