Press release

Heerlen, NL, 24 Aug 2011 19:15 CEST

Royal DSM, the global Life Sciences and Materials Sciences company, today provides the following information about the interim dividend for 2011.

The exchange ratio for the dividend in shares has been determined at 1 new ordinary share for every 72.338 existing ordinary shares. This exchange ratio is based on the volume weighted average price of all ordinary shares in DSM traded at NYSE Euronext on 17, 18, 19, 22 and 23 August 2011. The value of the stock dividend is equal to the value of the cash interim dividend (€0.45). The ordinary shares that constitute the stock dividend are entitled to the final dividend for the financial year 2011 and to the dividends for subsequent financial years.

Both the dividend in cash and the dividend in shares will be made payable to shareholders from 26 August 2011. Around 39% elected for a dividend in shares resulting in 891,314 ordinary shares to be paid as stock dividend.

DSM will reallocate 0.89 million ordinary shares currently held in treasury to be distributed to shareholders who have chosen to receive the interim dividend 2011 in shares. DSM held as at 31 July 2011 12.14 million ordinary shares in treasury as a result of a share buy-back program executed in 2007 and 2008. With the re-allocation of 0.89 million of ordinary shares DSM will be able to distribute the shares required for the optional stock dividend to shareholders without issuing new shares or buying shares in the market.