Blocklisting Interim Review

Soco International PLC
24 August 2005

                                     SCHEDULE 5

                          BLOCK LISTING SIX MONTHLY RETURN


Please ensure the entries on this return are typed

1.  Name of company

    SOCO INTERNATIONAL PLC

2.  Name of scheme

    SOCO-SUB UNAPPROVED COMPANY SHARE OPTION PLAN

3.  Period of return:

    From 24 FEBRUARY 2005 to 24 AUGUST 2005

4.  Number and class of share(s) (amount of stock/debt security) not issued
    under scheme

    514,079 ORDINARY SHARES

5.  Number of shares issued/allotted under scheme during period:

    0 ORDINARY SHARES

6.  Balance under scheme not yet issued/allotted at end of period

    514,079 ORDINARY SHARES

7.  Number and class of share(s) (amount of stock/debt securities) originally
    listed and the date of admission;

    1,818,000 ORDINARY SHARES, 11 APR 01

Please confirm total number of shares in issue at the end of the period in order
for us to update our records

72,632,939


Contact for queries:

Carol Fan
SOCO International plc
St James's House, 2nd Floor
23 King Street
London SW1Y 6QY
Telephone: [phone]

Person making return

Name: CYNTHIA CAGLE

Position: COMPANY SECRETARY


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