Blocklisting 6 monthly return

Oxford Biomedica PLC
17 May 2007


                         BLOCKLISTING SIX MONTHLY RETURN



1. Name of company      OXFORD BIOMEDICA PLC


2. Name of scheme       SHARE OPTION SCHEME


3. Period of return: From : 18 November 2006 To : 17 May 2007


4. Number and class of share(s) (amount of stock / debt security) not issued
   under scheme: 
   6,162,013 ORDINARY SHARES OF 1P EACH


5. Number of shares issued / allotted under scheme during period:
   1,200,827 ORDINARY SHARES OF 1P EACH


6. Balance under scheme not yet issued / allotted at end of period:
   4,961,186 ORDINARY SHARES OF 1P EACH


7. Number and class of share(s) (amount of stock / debt securities) originally
   listed and the date of admission: 
   17,383,143 ORDINARY SHARES OF 1P EACH: DATE ADMITTED 9 May 2001


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

533,939,015 ORDINARY SHARES OF 1P EACH


Contact for queries

Name       ANDREW WOOD


Address    OXFORD BIOMEDICA PLC, MEDAWAR CENTRE,
           OXFORD SCIENCE PARK, OXFORD OX4 4GA


Telephone  [phone]


Person making the return

Name       ANDREW WOOD


Position   COMPANY SECRETARY





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