Total Voting Rights

Tullow Oil PLC
30 March 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 717,550,552 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 717,550,552.



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.





30 March, 2007




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