Novonesis AS

Transaction in Own Shares • Sep 16, 2011

September 16, 2011

On February 11, 2011, Novozymes 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.

The following transactions have been made under the program:

	Number of shares	Average purchase price	Transaction value, DKK
Accumulated, last announcement	480,896		391,674,696
September 9, 2011 September 12, 2011 September 13, 2011 September 14, 2011 September 15, 2011	748 0 125 0 0	749.69 726.50	560,768 0 90,813 0 0
Accumulated under the program	481,769		392,326,277

Transactions related to Novozymes' incentive programs have resulted in a net sale by Novozymes of 2,994 B shares in the period from September 9 to September 15. The shares related to these transactions were not part of the Safe Harbour share buyback program.

With the transactions stated above, Novozymes owns a total of 2,058,634 treasury shares, corresponding to 3.2% of the share capital. The total amount of shares in the company is 65,000,000, including treasury shares.

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. 57, 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