Release no. 05 - 2009 To NASDAQ OMX Nordic Exchange Copenhagen A/S 1067 Copenhagen K This is a translation of the Danish version. Only the Danish version is legally binding. 23 April 2009 Rockwool International A/S' shares and related securities Report of transactions with shares and related securities of Rockwool International A/S by persons discharging managerial responsibilities and persons/companies closely associated with these. Pursuant to section 28a of the Danish Act on Securities Trading, Rockwool International A/S shall make public transactions with shares and related securities of Rockwool International A/S by persons discharging managerial responsibilities and persons/companies closely associated with these. Name: Bjørn Høi Jensen Reason: Member of the Board of Directors Issuer: Rockwool International A/S ID code/ISIN: B = DK0010219153 Description: Shares Transaction: Purchase Trading Date: 2009-04-23 Market: NASDAQ OMX Nordic Exchange Copenhagen A/S Number: 2,500 Market value DKK: 1,000,000.00 For further information please contact: Rockwool International A/S Group Legal Affairs Telephone: +45 46 56 03 00 Fax: +45 46 56 33 11 Internet: www.rockwool.com Reg. no. (CVR): 54879415 ROCKWOOL INTERNATIONAL A/S Hovedgaden 584, Entrance C DK-2640 Hedehusene