Premier Oil Regulatory News (PMO)

Premier Oil plc

Annual Information Update for the period 22 April 2011 - 18 April 2012, as required by Prospectus Rule 5.2.

The information below has been published or made available to the public within the last 12 months. Whilst the information was correct and up to date at the time of publication, it may not necessarily remain so and no obligation to update it is acknowledged. No representation is made as to the completeness of the information and this Update does not represent an offer of securities nor any recommendation in respect of them.

Regulatory Announcements

Each of the following announcements was made via RNS and can be obtained from the website of the London Stock Exchange at http://www.londonstockexchange.com/exchange/news/market-news/market-news-home.html   

Documents filed at Companies House

The Company has submitted filings to Companies House in relation to:

Copies of the documents filed at Companies House can be obtained from Companies House, Crown Way, Cardiff, CF14 3UZ www.companieshouse.gov.uk. If you are a registered user, they may be downloaded from the Companies House Direct website www.direct.companies.gov.uk

Information provided to Shareholders and FSA

The following documents were sent/made available to shareholders on 17 April 2012:

-  Annual Report and Accounts for the year ended 31 December 2011

-  Notice of the 2012 Annual General Meeting

-  Proxy Form

Copies of the above documents have been submitted to the National Storage Mechanism and will be available for inspection at: www.Hemscott.com/nsm.do 

Copies of all documents can be obtained from the Company Secretary, Premier Oil plc, 23 Lower Belgrave Street, London, SW1W 0NR

H Kawan

Deputy Company Secretary

19 April 2012