Novonesis AS

Transaction in Own Shares • Feb 11, 2011

February 11, 2011

On February 11, 2011, Novozymes has initiated a share buyback program in accordance with the provisions of European Commission Regulation no. 2273/2003 of December 22, 2003, also referred to as the Safe Harbour Regulation.

Under the program Novozymes will buy back B shares for an amount of up to DKK 400 million in the period from February 11, 2011, to December 31, 2011, corresponding to approximately 525,000 B shares.

The maximum number of shares to be purchased in the company per daily market session will be equivalent to 25% of the average volume of shares in the company traded on NASDAQ OMX Copenhagen during the preceding 20 business days.

Contact persons:

Press and media: Investor Relations: René Tronborg (Europe) Tel. (direct): +45 4446 2274 Tel. (mobile): +45 3077 2274

Paige Donnelly (USA) Tel. (direct): +1 919 494 3209 Tel. (mobile): +1 919 218 4501

Tobias Bjorklund Tel. (direct): +45 4446 8682 Tel. (mobile): +45 3077 8682

Martin Riise Nielsen Tel. (direct): +45 4446 0738 Tel. (mobile): +45 3077 0738

Thomas Bomhoff (USA) Tel. (direct): +1 919 494 3483 Tel. (mobile): +1 919 649 2565

Novozymes is the world leader in bioinnovation. Together with customers across a broad array of industries we create tomorrow's industrial biosolutions, improving our customers' business and the use of our planet's resources. Read more at www.novozymes.com.

Company announcement no. 6, 2011 Page 1 of 1 Novozymes A/S Investor Relations

Krogshoejvej 36 2880 Bagsvaerd Denmark

Telephone: +45 4446 0000 Fax: +45 4446 9999 Internet: www.novozymes.com CVR number: 10 00 71 27