Blocklisting Interim Review

Informa PLC
06 June 2006


                         BLOCKLISTING SIX MONTHLY REVIEW


1. NAME OF COMPANY:      INFORMA PLC


2. NAME OF SCHEME:       IBC GROUP PLC 1995 EXECUTIVE 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:         154,448 ordinary shares of 10 pence each


5. NUMBER OF SHARES ISSUED/ALLOTTED
   UNDER SCHEME DURING PERIOD:        57,018


6. BALANCE UNDER SCHEME NOT YET 
   ISSUED/ALLOTTED AT END OF PERIOD:  97,430


7. NUMBER AND CLASS OF SHARE(S) 
   (AMOUNT OF STOCK/DEBT SECURITIES) 
   ORIGINALLY LISTED AND THE DATE OF 
   ADMISSION:                         450,000 on 07/02/00 and 200,000 on 
                                      05/04/01. 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]



                      This information is provided by RNS
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