Blocklisting Interim Review

Informa PLC
06 December 2007


                                SCHEDULE 5

                        BLOCKLISTING SIX MONTHLY RETURN

     
To:  Listing Applications
     UK Listing Authority
     Financial Services Authority
     25, The North Colonnade
     Canary Wharf
     London, E14 5HS


              Please ensure the entries on this return are typed


1. NAME OF COMPANY:      INFORMA PLC


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

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


4. NUMBER AND CLASS OF SHARE(S)
   (AMOUNT OF STOCK/DEBT SECURITY)
   NOT ISSUED UNDER SCHEME            123,900 ordinary shares of
   AT END OF THE LAST PERIOD:         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  100,000 on 15/07/98, 66,000 on  
   ADMISSION:                         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.

424,624,095 as at 4 December 2007


CONTACT FOR QUERIES:               Address: INFORMA PLC, MORTIMER HOUSE,
                                   37/41 MORTIMER STREET, LONDON, W1T 3JH

NAME:            SONIA RICHMOND

TELEPHONE:       [phone]




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