Director/PDMR Shareholding

Informa PLC
18 December 2007

NOTIFICATION OF TRANSACTIONS OF DIRECTORS, 
PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY OR CONNECTED PERSONS


This form is intended for use by an issuer to make a RIS notification required
by DR 3.1.4R(1).

(1)     An issuer making a notification in respect of a transaction 
        relating to the shares or debentures of the issuer should complete
        boxes 1 to 16, 23 and 24.
(2)     An issuer making a notification in respect of a derivative relating 
        to the shares of the issuer should complete boxes 1 to 4, 6, 8, 13, 14, 
        16, 23 and 24. 
(3)     An issuer making a notification in respect of options granted to a 
        director/person discharging managerial responsibilities should 
        complete boxes 1 to 3 and 17 to 24. 
(4)     An issuer making a notification in respect of a financial 
        instrument relating to the shares of the issuer (other than a 
        debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 
        23 and 24. 


Please complete all relevant boxes in block capital letters.


1.   Name of the issuer   
           
     INFORMA PLC


2.   State whether the notification relates to (i) a transaction 
     notified in accordance with DR 3.1.4R(1)(a); or

     (ii) DR 3.1.4(R)(1)(b) a disclosure made in accordance with section 324 
     (as extended by section 328) of the Companies Act 1985; or 

     (iii) both (i) and (ii)

     Relates to (iii)

               
3.   Name of person discharging managerial responsibilities/director  

     David Gilbertson (Director)

        
4.   State whether notification relates to a person connected with a person
     discharging managerial responsibilities/director named in 3 and identify 
     the connected person
 
     N/A

        
5.   Indicate whether the notification is in respect of a holding of the person 
     referred to in 3 or 4 above or in respect of a non-beneficial interest      

     As 3 above


6.   Description of shares (including class), debentures or derivatives or 
     financial instruments relating to shares

     Ordinary shares of 10 pence each

               
7.   Name of registered shareholders(s) and, if more than one, the number of
     shares held by each of them   

     Arbuthnot Latham & Co Limited A/C D.G


8.   State the nature of the transaction
               
     Purchase of ordinary shares 


9.   Number of shares, debentures or financial instruments relating to shares 
     acquired 

     20,000


10.  Percentage of issued class acquired (treasury shares of that class should 
     not be taken into account when calculating percentage)

     0.0047%

               
11.  Number of shares, debentures or financial instruments relating to shares
     disposed     

     N/A


12.  Percentage of issued class disposed (treasury shares of that class should
     not be taken into account when calculating percentage) 

     N/A

               
13.  Price per share or value of transaction    

     414.25 pence


14.  Date and place of transaction

     18 December 2007
               

15.  Total holding following notification and total percentage holding following 
     notification (any treasury shares should not be taken into account when 
     calculating percentage)   

     718,008 (0.17%)


16.  Date issuer informed of transaction

     18 December 2007
               

If a person discharging managerial responsibilities has been granted options by 
the issuer complete the following boxes




17.  Date of grant   

     N/A


18.  Period during which or date on which it can be exercised

     N/A

               
19.  Total amount paid (if any) for grant of the option  

     N/A


20.  Description of shares or debentures involved (class and number)

     N/A

               
21.  Exercise price (if fixed at time of grant) or indication that price is 
     to be fixed at the time of exercise     

     N/A


22.  Total number of shares or debentures over which options held following 
     notification
               
     N/A


23.  Any additional information  

     Issued Share Capital as of today is 424,624,095


24.  Name of contact and telephone number for queries

     Sonia Richmond - Deputy Company Secretary
     tel: [phone]

               

Name and signature of duly authorised officer of issuer responsible for 
making notification

John Burton - Company Secretary


Date of notification 

18 December 2007



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