Total Voting Rights

Tullow Oil PLC
31 August 2007

                                Tullow Oil plc
                              Total Voting Rights


In conformity with the Transparency Directive's transitional provision 6, Tullow Oil plc today announces the following:


As at the date of this announcement, Tullow Oil plc's issued share capital
consists of 718,975,245 ordinary shares (with a nominal value of 10p each) with
voting rights.

No ordinary shares are held in treasury.




Therefore, the total number of voting rights in Tullow Oil plc is 718,975,245.







The above figure may be used by shareholders as the denominator for the calculation by which they will determine if they
are required to notify their interest in,
or a change to their interest in, Tullow Oil plc under the FSA's Disclosure and Transparency Rules.









This announcement has been issued through the Companies Announcement Service of



The Irish Stock Exchange














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