Holding(s) in Company

Informa PLC
11 July 2006


             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

INFORMA PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

HBOS PLC AND ITS SUBSIDIARIES

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     in respect of a non-beneficial interest; or in the case of an
     individual holder if it is a holding of that person's spouse
     or children under the age of 18

IN RESPECT OF 2 ABOVE


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

SEE ATTACHED

5)   Number of shares/amount of stock acquired.

NOT KNOWN

6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

NOT KNOWN

7)   Number of shares/amount of stock disposed

NOT KNOWN

8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

NOT KNOWN

9)   Class of security

ORDINARY SHARES OF 10 PENCE EACH

10)  Date of transaction

NOT KNOWN

11)  Date listed company informed

11 JULY 2006

12)  Total holding following this notification

16,072,191
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

3.805%

14)  Any additional information

ISSUED SHARE CAPITAL  =  422,360,854

15)  Name of contact and telephone number for queries

ANDREA CALLABY  020 7017 4311

16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

     ANDREA CALLABY, DEPUTY COMPANY SECRETARY

     Date of Notification ...................  11 JULY 2006  .....



LETTER TO:   INFORMA PLC
DATED:       7 JULY 2006


Companies Act 1985 (as amended) (the 'Act')

Section 198 disclosure by HBOS plc on its own behalf and on behalf of those of
its subsidiaries which hold material interest in the Ordinary 10p shares
comprising part of the relevant share capital of Informa plc ('the Company')

Pursuant to Section 198 of the Act, we hereby give the Company notice that we
had an interest (for the purposes of Sections 208 and 209 of the Act) in the
following shares comprising part of the relevant share capital (as defined in
the section 198 of the Act) of the Company immediately after such time as our
obligation to make this notification arose:-


                                                       Number of      Percentage
Registered Holder:                         Fund:       Share Held:    Holding:

HSDL Nominees Limited                                       5          0.000%
Nortrust Nominees A/c HLI26                 HPFO          34,635       0.008%
Nortrust Nominees A/c HLI24                 HPBA          39,159       0.009%
Nortrust Nominees A/c HLI27                 HXPEN         40,246       0.010%
Nortrust Nominee A/C ARW51                  SLFO         357,014       0.085%
Nortrust Nominee A/C ARW49                  SLBA         374,304       0.089%
Nortrust Nominee A/C ARW56                  SXLFE        419,191       0.099%
Nortrust Nominees A/c CMI10                  1105        993,258       0.235%
Nortrust Nominees A/c CMM34                  2304      2,202,657       0.522%
Nortrust Nominees A/c CMI06                   WP       5,538,635       1.311%
Nortrust Nominees A/c CMM13                  2314      6,073,087       1.438%

Aggregate material Holding of HBOS Group              16,072,191       3.805%




LETTER FROM:  KENNY MELVILLE
              ASSISTANT COMPANY SECRETARY
              FOR AND ON BEHALF OF
              HBOS PLC






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