Annual Information Update

Soco International PLC
27 March 2006


                             SOCO International plc
                           ('SOCO' or the 'Company')

                           Annual Information Update
                    between 1 January 2005 and 24 March 2006

SOCO is pleased to provide an annual information update in accordance with Rule
5.2 of the Prospectus Rules. The following information has been published or
made available to the public between 1 January 2005 and 24 March 2006:

1. ANNOUNCEMENTS PUBLISHED VIA RNS, A REGULATORY INFORMATION SERVICE

Date of announcement              Regulatory headline
31/01/2005                        Operations Update
18/02/2005                        Director Shareholding
18/02/2005                        Yemen Update
02/03/2005                        Holding(s) in Company
01/04/2005                        Sale of Mongolian Assets
07/04/2005                        Yemen Well Test
18/04/2005                        Drilling Update
25/04/2005                        Notice of EGM
26/04/2005                        Notice of Results
29/04/2005                        Final Results
09/05/2005                        Vietnam Well Operation Update
10/05/2005                        EGM Statement
10/05/2005                        Holding(s) in Company
23/05/2005                        Vietnam Well Test Results
24/05/2005                        Director Shareholding
26/05/2005                        Director Shareholding
27/05/2005                        Annual Report and Accounts
06/06/2005                        Blocklisting Interim Review
09/06/2005                        Directors' Dealings
10/06/2005                        Additional Listing
17/06/2005                        Holding(s) in Company
20/06/2005                        Director Shareholding
24/06/2005                        AGM Statement
28/06/2005                        Successful Yemen Well Test
25/07/2005                        Holding(s) in Company
04/08/2005                        Vietnam Drilling Update
16/08/2005                        US$45 Million Credit Facility
17/08/2005                        Holding(s) in Company
18/08/2005                        Sale of Mongolian Assets
22/08/2005                        New Vietnam Discovery
24/08/2005                        Blocklisting Interim Review
25/08/2005                        New Congo License
08/09/2005                        Yemen - Spudding of Well
23/09/2005                        IFRS
27/09/2005                        Interim Results
06/10/2005                        Directors' Interests
12/10/2005                        Appointment of Broker
24/11/2005                        Yemen - Well Test Results
01/12/2005                        Drilling Update
06/12/2005                        Blocklisting Interim Review
20/12/2005                        Director/PDMR Shareholding
03/01/2006                        Successful Well Testing
06/01/2006                        Director/PDMR Shareholding
18/01/2006                        Spudding of Vietnam Well
19/01/2006                        Presentation to Investors
15/02/2006                        Vietnam Drilling Update
28/02/2006                        Yemen Operations Update
01/03/2006                        Blocklisting Interim Review
09/03/2006                        Final Results
09/03/2006                        Vietnam Drilling Update
15/03/2006                        TGT-2X Final Test Results
16/03/2006                        Director/PDMR Shareholding

In accordance with Article 27.3 of the Prospectus Directive, we confirm that, to
the best of our knowledge, the information relating to the Company referred to
above is up to date at the date of this announcement but it is acknowledged that
such disclosures may at any time become out of date due to changing
circumstances.

Details of all regulatory headlines can be downloaded from the Market News
section of the London Stock Exchange website at www.londonstockexchange.co.uk/
marketnews.


2. DOCUMENTS FILED WITH THE REGISTRAR OF COMPANIES

The following documents were filed with the Registrar of Companies, copies of
which can be obtained from Companies House, Crown Way, Cardiff CF14 3UZ:

Filing date   Form              Document
09/02/2005    Form 363s         Annual Return
16/06/2005    Form 88(2)        Return of Allotment of Shares
16/06/2005    Form 88(2)        Return of Allotment of Shares
28/06/2005    Form 88(2)        Return of Allotment of Shares
07/07/2005    AA                Annual Report and Accounts 2004
21/07/2005    RES09             AGM Certificate
08/02/2006    Form 363s         Annual Return


3. DOCUMENTS SUBMITTED TO THE FSA

The following documents were submitted to the FSA and are available for viewing
at the UKLA's Document Viewing Facility, The Financial Services Authority, 25
The North Colonnade, Canary Wharf, London E14 5HS:

Filing date   Document
25/04/2005    Notice of EGM and Form of Proxy
27/05/2005    Annual Report & Accounts 2004, Notice of AGM and Form of Proxy







Contact: Carol Fan, SOCO International plc, tel [phone]






                      This information is provided by RNS
            The company news service from the London Stock Exchange