Holding(s) in Company

Dawnay, Day Sirius
16 October 2007


Form TR-1 with annex. FSA Version 2.1 updated April 2007

For filings with the FSA include the annex
For filings with issuer exclude the annex

TR-1: Notifications of Major Interests in Shares

1. Identity of the issuer or the underlying       Dawnay, Day Sirius plc
issuer of existing shares to which voting rights  
are attached:

2. Reason for notification (yes/no)


An acquisition or disposal of voting rights                             Yes

An acquisition or disposal of financial instruments which may result in No
the acquisition of shares already issued to which voting rights are     
attached

An event changing the breakdown of voting rights                        No

Other (please specify):______________                                   No

3. Full name of person(s) subject to          Wellington Management Company, LLP
notification obligation:     

4. Full name of shareholder(s) (if            BBH ISL Nominees Limited
different from 3):                            JP Morgan Chase Nominees Limited
                                              Mellon Nominees (UK) Limited
                                              Nortrust Nominees Limited 
                                              Roy Nominees Limited 
                                              State Street Nominees Limted
                                              Vidacos Nominees Limited

5. Date of transaction (and date on which     11 October 2007
the threshold is crossed or reached if         
different):

6. Date on which issuer notified:             12 October 2007

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



8: Notified Details
A: Voting rights attached to shares
Class/type Situation         Resulting situation after the triggering transaction
of         previous to the
shares     triggering
If         transaction Under
possible   5%
use ISIN
code
Ordinary
           Number   Number   Number of    Number of voting      Percentage of
           of       of       shares       rights                voting rights
           shares   voting
                    rights
                             18,131,257
                                          Direct   Indirect     Direct   Indirect
                                                   18,131,257                5.53%

B: Financial Instruments
Resulting situation after the triggering transaction
Type of      Expiration Exercise/    No. of voting rights that may   Percentage
financial    date       conversion   be acquired (if the instrument  of voting
instrument              period/      exercised/converted)            rights
                        date



Total (A+B)
Number of voting rights               Percentage of voting rights
                         18,131,257                                       5.53%




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

BBH ISL Nominees Limited - 38,497 shares
JP Morgan Chase Nominees Limited - 1,261,561 shares
Mellon Nominees (UK) Limited - 2,789,682 shares
Nortrust Nominees Limited - 390,995 shares
Roy Nominees Limited - 3,603,349 shares
State Street Nominees Limted - 9,412,062 shares
Vidacos Nominees Limited - 635,111 shares

Proxy Voting:


10. Name of proxy holder:

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:

14 Contact name:

15. Contact telephone name:


For notes on how to complete form TR-1 please see the FSA website.
Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in shares

A: Identity of the persons or legal entity subject to the notification
obligation
Full name                              Wellington Management Company, LLP
(including legal form of legal
entities)
Contact address                        75 State Street, Boston, Massachusetts,
                                       02109 U.S.A.
(registered office for legal entities)

Phone number & email                   [phone]
Other useful information
(at least legal representative for
legal persons)

B: Identity of the notifier, if applicable

Full name                              Robert J. Toner
Contact address                        75 State Street, Boston,
                                       Massachusetts, 02109 U.S.A.

Phone number & email                   [phone]
                                       [e-mail]
Other useful information               Vice President and Counsel
(e.g. functional relationship with 
the person or legal entity subject 
to the notification obligation)

C: Additional information



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