Block listing six monthly return

Name of applicant:

DDD Group plc

Name of scheme:

April 24th 2008 share option plan

Period of return:

From:

1 October 2011

To:

31 March 2012

Balance of unallotted securities under scheme(s) from previous return:

606,666 (comprising: 606,666 from the 11 May 2011 block admission - announced 5 May 2011)

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

nil

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

nil

Equals:  Balance under scheme(s) not yet issued/allotted at end of period:

606,666

Name of contact:

Victoria Stull

Telephone number of contact:

+1 310 566 3340