PREMIER OIL PLC
(the "Company")

As at 14 November 2017, Premier Oil plc's issued share capital consisted of 522,122,376 Ordinary Shares of 12.5 pence with voting rights. Premier Oil plc does not hold any shares in Treasury.

The figure of 522,122,376 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 FCA's Disclosure and Transparency Rules.

To date, the Company has allotted 4,237,675 Ordinary Shares as a result of the exercise of equity warrants, representing 0.81 per cent of the Company's enlarged share capital.

As at 14 November 2017, 13,278,555 warrants have been exercised on a cashless basis and a further 458,117 warrants have been exercised in cash.

For further information please contact:

Daniel Rose

Premier Oil plc

020 7730 1111

15 November 2017