Total Voting Rights

PREMIER OIL PLC 

Total Voting Rights

In conformity with the FSA's Disclosure and Transparency Rules, we would like to notify the market of the following:

As at 1 September 2011 Premier Oil plc's issued share capital consists of 468,051,188 Ordinary Shares of 12.5p with voting rights. Premier Oil plc does not hold any shares in Treasury.

The figure of 468,051,188 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, Premier Oil plc under the FSA's Disclosure and Transparency Rules.

For further information please contact:

Stephen Huddle

Premier Oil plc

0207 730 1111

1 September 2011