Blocklisting Interim Review

Informa PLC
06 June 2007



                                     SCHEDULE 5 

                          BLOCK LISTING SIX MONTHLY RETURN



1.  Name of company         INFORMA PLC


2.  Name of scheme          TAYLOR & FRANCIS GROUP PLC DISCRETIONARY UNAPPROVED 
                            SHARE OPTION SCHEME


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


4.  Number and class of share(s) (amount    113,040 + 500,000 = 613,040 ordinary
    of stock/debt security) not issued      shares of 10 pence each
    under scheme


5.  Number of shares issued/allotted under  440,286
    scheme during period:


6.  Balance under scheme not yet issued/    172,754
    allotted at end of period


7.  Number and class of share(s) (amount    450,000 on 25/05/05, 132,537 and 
    of stock/debt securities) originally    440,000 on 17/01/2006, 770,000 on 
    listed  and the date of admission;      26/04/2006 and 500,000 on 14/12/06.
                                            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 : [phone]



Person making return

Name: JOHN BURTON
Position: COMPANY SECRETARY
Signature:
Date: 6 June 2007





                      This information is provided by RNS
            The company news service from the London Stock Exchange