Blocklisting Interim Review

Informa PLC
06 December 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: 05/06/2007      TO: 04/12/2007



4. NUMBER AND CLASS OF SHARE(S)            233,755 + 500,000  ordinary shares of 
   (AMOUNT OF STOCK/DEBT SECURITY)         10 pence each
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:



5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:             44,899


6. BALANCE UNDER SCHEME NOT YET ISSUED/
   ALLOTTED AT END OF PERIOD:              688,856


7. NUMBER AND CLASS OF SHARE(S)            450,000 on 15/07/98, 500,000 on 
   (AMOUNT OF STOCK/DEBT SECURITIES)       18/06/99, 830,000 on 07/02/00,  
   ORIGINALLY LISTED AND THE DATE          640,000 on 05/04/01, 540,000 on 
   OF ADMISSION:                           20/05/05, 500,000 on 14/12/06 and 
                                           500,000 on 500,000 on 13/03/07 and 
                                           500,000 on 17/07/07 - 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.     424,624,095 as at 4 December 2007


CONTACT FOR QUERIES

               
NAME:          SONIA RICHMOND

TELEPHONE:     [phone]


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