Additional Listing

PREMIER OIL PLC("Premier" or "the Company")

Conversion of Guaranteed Convertible Bonds due 2014 - Ordinary Shares Listing Application

Application has been made to the UK Listing Authority and the London Stock Exchange for a listing, and admission to trading, of 14,939 Ordinary Shares of 12.5 pence each in the share capital of the Company.

These Ordinary Shares have been allotted pursuant to the exercise of conversion rights by a bondholder in respect of its 2.875% Guaranteed Convertible Bonds due 2014 with a total aggregate principal amount of US$100,000. The 2.875% Guaranteed Convertible Bonds due 2014 were issued by the Company's wholly owned subsidiary, Premier Oil Finance (Jersey) Limited, and are guaranteed by the Company.

These new Ordinary Shares will rank pari passu in all respects with the existing issued Ordinary Shares of the Company.

18 December 2012Heather KawanDeputy Company Secretary020 7730 1111 

Copies of Premier's announcements are available on the corporate website: www.premier-oil.com.