Blocklisting Interim Review

Informa PLC
06 June 2006

     
                        BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:        INFORMA PLC


2. NAME OF SCHEME:         INFORMA GROUP PLC SAVINGS RELATED SHARE OPTION SCHEME


3. PERIOD OF RETURN:       FROM: 05/12/2005     TO:  04/06/2006



4. NUMBER AND CLASS OF SHARE(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME
   AT END OF THE LAST PERIOD:         123,900 ordinary shares of 10 pence each


5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:        0



6. BALANCE UNDER SCHEME NOT YET 
   ISSUED/ALLOTTED AT END OF PERIOD:  123,900



7. NUMBER AND CLASS OF SHARE(S)        
   (AMOUNT OF STOCK/DEBT SECURITIES)   
   ORIGINALLY LISTED AND THE DATE OF 
   ADMISSION:                         100,000 on 15/07/98, 66,000 on 05/04/01,
                                      6,146 on 20/05/05 and 280,000 on 24/05/05.
                                      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.

422,349,737 as at 4 June 2006


CONTACT FOR QUERIES

NAME:               ANDREA CALLABY
TELEPHONE:          [phone]



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