Blocklisting Interim Review

Informa PLC
06 June 2007



                    BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:          INFORMA PLC


2. NAME OF SCHEME:           INFORMA GROUP PLC DISCRETIONARY SHARE OPTION SCHEME


3. PERIOD OF RETURN:         FROM: 05/12/2006      TO: 04/06/2007



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

   140,246 + 500,000 + 500,000 = 1,140,246 ordinary shares of 10 pence each


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

   906,491


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

   233,755


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

   450,000 on 15/07/98, 500,000 on 18/06/99, 830,000 on 07/02/00, 640,000 on 
   05/04/01, 540,000 on 20/05/05, 500,000 on 14/12/06 and 500,000 on 500,000 on
   13/03/07 - All ordinary shares of 10 pence each


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

424,492,638 as at 4 June 2007


CONTACT FOR QUERIES

NAME:          SONIA RICHMOND
TELEPHONE:     [phone]


END




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