RNS Number:5221N
CeNeS Pharmaceuticals PLC
14 July 2003

                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:

CENES PHARMACEUTICALS PLC


2. NAME OF SCHEME:

CENES PHARMACEUTICALS PLC SHARE OPTION SCHEMES


3. PERIOD OF RETURN:     FROM:     15/01/03            TO:     14/07/03



4. NUMBER AND CLASS OF SHARES(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:

1,833,985


5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:

NONE


6. BALANCE UNDER SCHEME NOT YET ISSUED/ALLOTTED 
   AT END OF PERIOD:

1,833,985


7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES) 
   ORIGINALLY LISTED AND THE DATE OF ADMISSION:

3,200,000

PLEASE CONFIRM TOTAL NUMBER OF SHARES IN ISSUE AT THE END OF THE PERIOD
IN ORDER FOR US TO UPDATE OUR RECORDS.

174,412,968

CONTACT FOR QUERIES

NAME:          TONY OSBORNE
TELEPHONE:     01223 266413


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

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