Holding(s) in Company

Informa PLC
13 March 2007


                                                                    

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES


(1). Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Informa Plc


2. Reason for the notification (please state Yes/No): (   )

An acquisition or disposal of voting rights:                               (   )

An acquisition or disposal of financial instruments which may result 
in the acquisition of shares already issued to which voting rights are 
attached:                                                                  (   )

An event changing the breakdown of voting rights:                          (   )

Other (please specify) :                                                   ( x )

Revised due to DTR rules - see Section 13 
 
3. Full name of person(s) subject to the notification obligation:

Fidelity International Limited (FIL)
 

4. Full name of shareholder(s) (if different from 3.):

See schedule below
 

5. Date of the transaction and date on which the threshold is crossed or reached
if different):

Revised due to DTR rules
 

6. Date on which issuer notified:

13 March 2007
 

7. Threshold(s) that is/are crossed or reached:

N/A
 

8. Notified details:


 


A: Voting rights attached to shares

 
Class/type of shares            Situation previous to  
if possible using the           the Triggering         
ISIN CODE                       transaction        
                       Number of shares       Number of voting Rights 

ISIN
GB0002625654           9,086,548               9,086,548
 

                     Resulting situation after the triggering transaction 
 
Class/type of shares Number of shares  Number of voting rights    % of voting rights  
if possible using                                                                 
the ISIN CODE                                                                         
                     Direct            Direct     Indirect        Direct    Indirect  

ISIN
GB0002625654                                      9,086,548                 2.15%
 

B: Financial Instruments

Resulting situation after the triggering transaction 

Type of     Expiration Date  Exercise/Conversion Number of voting     % of voting     
financial                    Period/ Date        rights that may be   rights          
instrument                                       acquired if the                      
                                                 instrument is                        
                                                 exercised/                           
                                                 converted.                           

 

Total (A+B)
Number of voting rights       % of voting rights 

9,086,548                       2.15%
 

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:


See schedule below 


Proxy Voting:

 
10. Name of the proxy holder:

Fidelity International Limited (FIL)
 

11. Number of voting rights proxy holder will cease to hold:

N/A
 

12. Date on which proxy holder will cease to hold voting rights:

N/A
 

13. Additional information:

As discussed with the FSA, prior to the implementation of the EU Transparency 
Directive, we aggregated the interests in shares of FMR Corp (FMR) and Fidelity
International Limited (FIL) together for the purposes of shareholder reporting.
According to the new DTR rules we are now reporting the indirect holdings of
FMR and FIL separately. A separate notification is being submitted for FMR Corp.
Please note these holdings are correct as of close of business 09 March 2007
 

14. Contact name:

Laura Cotterell
 

15. Contact:


[e-mail]


FIL

Issuer name:                        INFORMA PLC

Current ownership percentage:       2.15%

Total shares held:                  9,086,548

Issued share capital:               423,336,287


Shares held              Nominee                      Management company

38,590              STATE STR BK AND TR CO LNDN (S         FPM
86,900              STATE STR BK AND TR CO LNDN (S         FIL
888,053             NORTHERN TRUST LONDON                  FPM
32,470              MORGAN STANLEY LONDON                  FIL
187,980             MELLON BANK                            FPM
316,998             JP MORGAN, BOURNEMOUTH                 FPM
3,043,371           JP MORGAN, BOURNEMOUTH                 FISL
1,936,097           JP MORGAN, BOURNEMOUTH                 FIL
365,083             BROWN BROS HARRIMN LTD LUX             FIL
1,653,280           BANK OF NEW YORK EUROPE LDN            FII
537,726             BANK OF NEW YORK BRUSSELS              FPM


Fidelity International Limited (FIL) is the parent holding company for
various direct and indirect subsidiaries, including Fidelity Fund
Management Limited (FFML), Fidelity Investment Services Limited (FISL),
Fidelity Gestion (FIGEST), Fidelity Investments Advisory (Korea) Limited
(FIAKL), Fidelity Investments Management (Hong Kong) Limited (FIMHK),
Fidelity Pension Management (FPM), Fidelity Investments Japan (FIJ) and
Fidelity Investments International (FII), Investment managers for various
non-US investment companies and institutional clients.




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