Blocklisting Interim Review

Informa PLC
06 June 2007

                        BLOCK LISTING SIX MONTHLY RETURN



1.  Name of company INFORMA PLC

2.  Name of scheme INFORMA GROUP PLC SAVINGS RELATED SHARE OPTION SCHEME

3.  Period of return: From 05/12/2006 to 04/06/2007

4.  Number and class of share(s) (amount of    123,900 ordinary shares of 10
    stock/debt security) not issued under      pence each
    scheme

5.  Number of shares issued/allotted under     0                          
    scheme during period:

6.  Balance under scheme not yet issued/       123,900
    allotted at end of period

7.  Number and class of share(s) (amount of    100,000 on 15/07/98, 66,000 
    stock/debt securities) originally listed   on 05/04/01, 6,146 on 20/05/05 
    and the date of admission;                 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

424,492,638 as at 4 June 2007

Contact for queries:        Address: INFORMA PLC, MORTIMER HOUSE, 37/41 MORTIMER
                            STREET, LONDON, W1T 3JH

Name:                       SONIA RICHMOND

Telephone:                  020 7017 4311





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