Holding(s) in Company

SIG PLC
16 March 2005

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     SIG PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     BARCLAYS PLC

3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or 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

     AS IN 2 ABOVE

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

     BARCLAYS GLOBAL INVESTORS AUST LTD                        39,493
     BARCLAYS GLOBAL INVESTORS JAPAN LTD                      100,967
     BARCLAYS GLOBAL INVESTORS N.A.                         1,013,331
     BARCLAYS LIFE ASSURANCE CO LTD                           318,362
     BARCLAYS GLOBAL INVESTORS LTD                         10,026,297
     BARCLAYS CAPITAL SECURITIES LTD                           50,045
     BARCLAYS PRIVATE BANK LTD                                 32,700
     WOOLWICH UNIT TRUST MNGRS LTD                            587,686
                                              TOTAL        12,168,881

5)   Number of shares/amount of stock acquired.

     NONE

6)   Percentage of issued Class

     NOT APPLICABLE

7)   Number of shares/amount of stock disposed

     NONE

8)   Percentage of issued Class

     10.02%

9)   Class of security

     ORDINARY SHARES OF 10P EACH

10)  Date of transaction

     NOT APPLICABLE

11)  Date company informed

     15 MARCH 2005

12)  Total holding following this notification

     12,168,881
               
13)  Total percentage holding of issued class following this notification

     10.02%

14)  Any additional information

     TOTAL ISSUED ORDINARY SHARES OF 10P EACH OF SIG PLC IS :
     121,405,561

15)  Name of contact and telephone number for queries

     MR R C MONRO
     COMPANY SECRETARY
     TEL: [phone]

16)  Name and signature of authorised company official responsible for 
     making this notification

     Date of Notification ........ 15 MARCH 2005






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