Total Voting Rights

First Derivatives PLC
30 April 2008

                     First Derivatives plc (the 'Company')



                              Total Voting Rights


For the purposes of the transitional provisions of the Financial Services
Authority's Disclosure and Transparency Rules, the total number of ordinary
shares of 0.5 pence each in the capital of the Company in issue as at the date
of this notice is 13,279,324 with each share carrying the right to one vote.

The above figure 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.


30 April 2008





Contact:


First Derivatives plc
Brian Conlon                                               Tel:   [phone]

Charles Stanley Securities

Nominated Adviser & Broker
Russell Cook/Jen Boorer                                    Tel:  [phone]




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