NASDAQ OMX Copenhagen 30.03.2010 Nikolaj Plads 6 1067 København K No. 02/10 Capital increase due to exercise of warrants Referring to stock exchange announcement of 25 May 2009 (No. 12/09) the Management and managerial employees were offered a warrant programme. The Management and the managerial employees exercised 7,599,870 warrants, and the number of outstanding warrants from 2009 is now 21,096,990. As each warrant gives the holder right to subscribe for one share of nom. DKK 0.25, the company's share capital will be increased by nom. DKK 1,899,967.50 from nom. DKK 101,990,183.50 to DKK 103,890,151. The warrants were exercised at a subscription price of DKK 0.81 per share, and the proceeds to Topsil total DKK 6,155,894.70. Topsil Semiconductor Materials A/S Jens Borelli-Kjær Keld Lindegaard Andersen Chairman CEO +45 40 16 14 82 +45 21 70 87 72 Please note that this translation is provided for convenience only. The Danish version shall prevail in case of discrepancies.