Holding(s) in Company

SIG PLC
17 December 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:

SIG plc

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

An acquisition or disposal of voting rights (x )
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): 

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.):

STATE STR BK AND TR CO LNDN (FPM)
NORTHERN TRUST LONDON (FPM)
JP MORGAN, BOURNEMOUTH (FPM)
JP MORGAN, BOURNEMOUTH (FISL)
JP MORGAN, BOURNEMOUTH (FIL)
BROWN BROS HARRIMN LTD LUX (FIL)
BNP PARIBAS, PARIS (C) (FIL)
BNP PARIBAS, PARIS (FIGEST)
BANK OF NEW YORK EUROPE LDN (FII)
BANK OF NEW YORK BRUSSELS (FPM)
HSBC INVST BANK LTD SEOUL (FIL)

5.  Date of transaction (and date on which the threshold is crossed or reached 
if different) : 12 December 2007

6.  Date on which issuer notified: 17 December 2007

7.  Threshold(s) that is/are crossed or reached : 5%

8.  Notified Details :

A: Voting rights attached to shares

Class/type of shares             Situation previous to the triggering
If possible using the ISIN CODE  transaction

GB0008025412     Number of Shares     Number of Voting Rights

                 6,774,032            6,774,032

Voting rights attached to shares

Class/type of shares             Situation previous to the triggering
If possible using the ISIN CODE  transaction

            Number of Shares     Number of Voting Rights     % of voting rights

            Direct               Direct     Indirect         Direct Indirect

GB0008025412 0                              6,334,032                4.69%

B: Financial Instruments

Resulting situation after the triggering action

Type of Financial     Expiration     Exercise/     Number of voting     % of  
Instrument            date           Conversion    rights that may be   voting                                     
                                     Period/Date   acquired if the      rights

Instrument is
Exercised/converted

Total (A + B)

Number of voting rights % of voting rights

6,334,032                 4.69%

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

STATE STR BK AND TR CO LNDN (FPM)    67,700
NORTHERN TRUST LONDON (FPM)         502,080
JP MORGAN, BOURNEMOUTH (FPM)        231,800
JP MORGAN, BOURNEMOUTH (FISL)     1,271,695
JP MORGAN, BOURNEMOUTH (FIL)        624,777
BROWN BROS HARRIMN LTD LUX (FIL)  2,277,220
BNP PARIBAS, PARIS (C) (FIL)         19,350
BNP PARIBAS, PARIS (FIGEST)         820,600
BANK OF NEW YORK EUROPE LDN (FIL)   442,200
BANK OF NEW YORK BRUSSELS (FPM)      49,500
HSBC INVST BANK OF SEOUL (FIL)       27,110

6,334,032 4.69%

Proxy Voting:

10. Name of the proxy holder: Fidelity International Limited (FIL)

11. Number of voting rights proxy holder will cease/acquire to hold: 440,000

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

12 December 2007

13. Additional information:

14. Contact Name: David Merryweather

15. Contact: [e-mail]



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