Blocklisting Interim Review

BP PLC
13 July 2005


                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:

   BP PLC


2. NAME OF SCHEME:

   THE BP GROUP SAVINGS RELATED SHARE OPTIONS


3. PERIOD OF RETURN:     FROM:            TO:

                         1 JANUARY 2005   30 JUNE 2005


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

   14,636,344 ORDINARY SHARES OF US$0.25


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

   723,937


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

   13,912,407


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

   10,000,000 ORDINARY SHARES OF US$0.25 WERE ADMITTED TO LISTING ON 
   25 JUNE 2004

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

   21,493,927,140 ORDINARY SHARES OF US$0.25 WHICH INCLUDES 318,993,000
   TREASURY SHARES

CONTACT FOR QUERIES

NAME:                         SUSAN WELCH

TELEPHONE:                    020 7496 2102

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