In accordance with Section 28a of the Danish Securities Trading Act, Novozymes reports the following transactions under ISIN DK0010272129, Novozymes B shares under the symbol NZYM B Name Relation/ Category of close relation Trading date Character of the transaction No. Of shares traded buy / (sell) Market value of shares traded Walther Thygesen Board of Directors 1/3 2007 Shares + 1,400 686,700 Contacts: Media Relations: Investor Relations: Eva Veileborg Hald Tel (direct): +45 4442 3338 Mobile: +45 3079 3338 Annegrethe M. Jakobsen Tel. (direct): +45 4442 3050 Mobile: +45 3079 3050 Lene Aaboe Tel. (direct): +45 4446 0082 Mobile: +45 3077 0082 Tobias Cornelius Björklund (I USA) Mobile: + 1 919 649 2565 Johan Melchior Tel. (direct): +45 4446 0690 Mobile: +45 3077 0690 Novozymes is the biotech-based world leader in enzymes and microorganisms. Using nature's own technologies we continuously expand the frontiers of biological solutions to improve industrial performance everywhere. Headquartered In Denmark, Novozymes employs more than 4,500 people in more than 30 countries. Novozymes produces and sells more than 600 products in 130 countries. Novozymes A/S' B shares are listed on the Copenhagen Stock Exchange. For further company information, visit Novozymes on the Internet at www.novozymes.com. Stock Exchange Announcement no. 11/2007 page 1 of 1 Novozymes A/S Investor Relations Krogshøjvej 36 2880 Bagsværd Danmark Telephone.: + 45 8824 9999 Fax: + 45 4442 1002 Internet: www.novozymes.com CVR no: 10 00 71 27