Holding(s) in Company

TR-1: Notifications 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 notification (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): Acquisition of voting rights and change to the number of voting rights in issue, following the recent placings and open offer.

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3. Full name of person(s) subject to notification obligation:

Aviva plc & its subsidiaries

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

Registered Holder:

BNY Norwich Union Nominees Limited 2,213,301*

Chase GA Group Nominees Limited 22,122,190*

Chase Nominees Limited 215,239*

CUIM Nominee Limited 2,292,537*

Vidacos Nominees Limited 159,449*

Chase Nominees Limited 5,880,857

Credit Suisse Client Nominees (UK) Limited 555,665

Vidacos Nominees Limited 6,456,896

BNP Paribas - London 400,897

State Street Nominees Limited 5,968,912

* denotes direct interest 

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

14 April 2009

6. Date on which issuer notified:

15 April 2009

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

<5% to 7% Change at Combined Interest level

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares

Number of voting rights

Number of shares

Number of voting rights

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary Shares

GB0008025412

6,771,852

6,771,852

27,002,716

27,002,716

19,263,227

4.57%

3.26%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

45,265,943

7.83%

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

The voting rights are managed and controlled by Aviva Investors Global Services Limited, with the following chain of controlled undertakings:-

Aviva Investors Global Services Limited 

Proxy Voting:

10. Name of proxy holder:

See Section 4

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

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

13. Additional information:

Figures are based on a revised total number of voting rights of 590,813,193 following the recent placings and open offer

14 Contact name:

Neil Whittaker

15. Contact telephone number:

01603 684420