Københavns Fondsbørs 30.05.2007 Nikolaj Plads 6 1067 København K No. 18/07 Correction Report on insider transactions with shares issued by Topsil Semiconductor Materials A/S There was a mistake in today's stock exchange announcement No. 17/07 regarding the 2nd transaction made by EDJ-Gruppen. Please see correct report below: Name: EDJ-Gruppen (Eivind Dam Jensen) Reason: Vice Chairman Issuer: Topsil Semiconductor Materials ID-code: DK 00 1027 1584 Type: Shares Transaction: Purchase Trading date: 30 May 2007 Market: Copenhagen Stock Exchange Number (1st transaction): 180,937 Market value DKK: 343,780.30 Number (2nd transaction): 81,125 Market value DKK: 151,703.75 Topsil Semiconductor Materials A/S Jens Borelli-Kjær Keld Lindegaard Andersen Chairman CEO +45 47 18 01 00 +45 47 36 56 10 Please note that this translation is provided for convenience only. The Danish version shall prevail in case of discrepancies.