Total Voting Rights

1 May 2013

DDD GROUP PLC ('the Company')

Total Voting Rights & Officer Shareholding

For the purposes of Disclosure and Transparency Rules, following the Option Exercises throughout April, the Company's total issued and admitted share capital is 136,443,812 Ordinary Shares. There are no Ordinary Shares held in treasury. The total number of voting rights in the Company will therefore be 136,443,812.

The above figure of 136,443,812 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company, under the Disclosure and Transparency Rules.

Officer Shareholding

The cashless exercise referenced in the 12 April 2013 RNS for Dr. Julien Flack, Chief Technology Officer of the Company, is now complete. The transaction resulted in 154,009 Ordinary Shares being sold into the market at an average price of 16.3p per share. Dr. Flack now holds 201,834 Ordinary Shares or approximately 0.15% of the issued ordinary share capital and total voting rights in the Company.

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