The share capital of the following share will be reduced at Nasdaq Copenhagen as per 11 May 2021 due to the cancellation of treasury shares. ISIN: DK0010219070 ---------------------------------------------------------- Name: Rockwool Int. A ---------------------------------------------------------- Volume before change: 11,231,627 shares (DKK 112,316,270) ---------------------------------------------------------- Change: 76,069 shares (DKK 760,690) ---------------------------------------------------------- Volume after change: 11,155,558 shares (DKK 111,555,580) ---------------------------------------------------------- Face value: DKK 10 ---------------------------------------------------------- Short name: ROCK A ---------------------------------------------------------- Orderbook ID: 3454 ---------------------------------------------------------- ISIN: DK0010219153 ---------------------------------------------------------- Name: Rockwool Int. B ---------------------------------------------------------- Volume before change: 10,743,296 shares (DKK 107,432,960) ---------------------------------------------------------- Change: 278,145 shares (DKK 2,781,450) ---------------------------------------------------------- Volume after change: 10,465,151 shares (DKK 104,651,510) ---------------------------------------------------------- Face value: DKK 10 ---------------------------------------------------------- Short name: ROCK B ---------------------------------------------------------- Orderbook ID: 3456 ---------------------------------------------------------- _________________________________________________________________________ For further information, please contact: Asta Jepsen, Surveillance, tel. +45 33 93 33 66 Attachment: https://cns.omxgroup.com/cds/DisclosureAttachmentServlet?messageAttachmentId=858467