Holding(s) in Company

QinetiQ Group plc
16 February 2007



TR-1: Notification of major interests in shares

1. Identity of the issuer or the underlying      QinetiQ Group plc
issuer of existing shares to which voting rights 
are attached:
-------------------------------
2. Reason for the notification (please tick the appropriate box or
boxes)                                                                   -------
--------------------------------------------
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         CEP Investment Administration
notification obligation:                         Limited (as General Partner of CQ
-------------------------------                  Limited Partnership)
                                                 --------------------
4. Full name of shareholder(s) (if different     CEP Investment Administration
from 3.):                                        Limited (as General Partner of CQ
                                                 Limited Partnership)
                                                 and
                                                 Carlyle Co-Invest GP Limited (as
-------------------------------                  General Partner of New Co-Invest
                                                 Limited Partnership)
                                                 --------------------
5. Date of the transaction (and date on which    14 February 2007
the threshold is crossed or reached if           --------------------
different):
-------------------------------
6. Date on which issuer notified:                16 February 2007
-------------------------------                  --------------------
7.
Threshold(s) that is/are
crossed or reached:                              3 %
-------------------------------                  --------------------
8. Notified details:
-------------------------------                  --------------------

A: Voting rights attached to shares
Class/type Situation previous to the  Resulting situation after the triggering
of         Triggering transaction     transaction
shares
if
possible   Number of    Number of     Number   Number of       % of voting
using the  Shares       Voting Rights of       voting rights   rights
ISIN                    viii          shares   ix
CODE                                  Direct   Direct Indirect Direct   Indirect
                                               x      xi
Ordinary   67,766,766    67,766,766   Nil      Nil    Nil      Nil      Nil

B: Financial Instruments
Resulting situation after the triggering transaction xii
Type of      Expiration Exercise/      Number of voting rights that may % of
financial    date       Conversion     be acquired if the instrument is voting
instrument   xiii       Period/ Date   exercised/ converted.            rights
                        xiv

Total (A+B)
Number of voting rights                  % of voting rights
                             
67,766,766                               10.3 %

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

  1. CEP Investment Administration Limited (as General Partner of CQ Limited
  Partnership)

  65,868,984 ordinary shares representing 10.0% of the voting rights

  and

  2. Carlyle Co-Invest GP Limited (as General Partner of New Co-Invest Limited
  Partnership)

  1,897,782 ordinary shares representing 0.3% of the voting rights


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:                  Lynton Boardman, Company Secretary

15. Contact telephone number:      [phone]





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