Holding(s) in Company

Computacenter PLC
13 December 2007



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which 
voting rights are attached (ii):

Computacenter Plc

2. Reason for the notification (please place an X in the appropriate bracket):

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:

Investec Asset Management Ltd

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

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

12/12/2007

6. Date on which issuer notified:

12/12/2007

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

5%

8. Notified details:

A: Voting rights attached to shares

Situation previous to the Triggering transaction

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


Ordinary  6p                                         8,505,931               8,505,931
GB00B1649052

Resulting situation after the triggering transaction

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

                                                     Direct           Direct     Indirect     Direct    Indirect


Ordinary 6p                                                                      7,499,100              4.72%
GB00B1649052

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument Expiration date Exercise/conversion period date Number of voting rights that may be 
acquired if the instrument is exercised/converted % of voting rights


Total (A+B)

Number of voting rights             % of voting rights


7,499,100                           4.72%



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



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:

Ian Gartshore

15. Contact telephone number:

020 7597 1825



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