Holding(s) in Company

Dawnay, Day Sirius
10 May 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:

Dawnay, Day Sirius Limited


2. Reason for the notification

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:

Magnetar Capital Master Fund, Ltd

Magnetar Financial LLC

Magnetar Financial (UK) LLP


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

Held through prime broker, Credit Suisse


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

1 May 2007


6. Date on which issuer notified:

3 May 2007


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

3%


8. Notified details:


A: Voting rights attached to shares

Class/type of shares if possible using     Situation previous to the Triggering
the ISIN CODE                                          transaction
                                          Number of       Number of voting
                                          shares          Rights

GGOOB1W3VF54                              Below 3.0%      Below 3.0%



Resulting situation after the triggering transaction

Class/type of shares if         Number of    Number of voting    % of voting
possible using the ISIN CODE    shares       rights              rights



                                Direct       Direct Indirect     Direct Indirect

                                 9,000,000   9,000,000           3.0%
                                                  




B: Financial Instruments

Resulting situation after the triggering transaction

Type of     Expiration Exercise/     Number of voting rights that may   % of
financial   Date       Conversion    be acquired if the instrument is   voting
instrument             Period/ Date  exercised/ converted.              rights







Total (A+B)
Number of voting rights                      % of voting rights



   9,000,000                                 3.0%


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

Magnetar Capital Master Fund, Ltd, Magnetar Financial LLC and Magnetar Financial
(UK) LLP are controlled by the following entities:

Magnetar Capital Partners L.P. controls Magnetar Financial LLC and Magnetar
Financial (UK) LLP.


Supernova Management LLC is the General Partner of and controls Magnetar Capital
Partners L.P.


Alex Litowitz controls Supernova Management LLC.


Proxy Voting:


10. Name of the 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:

Beth McCarthy


15. Contact telephone number:

001 847 905-4692



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