Holding(s) in Company

BAE SYSTEMS PLC
14 September 2007




TR-1:        NOTIFICATION OF MAJOR INTERESTS IN SHARES 

1. Identity of the issuer or the underlying issuer of existing                BAE Systems plc
shares to which voting rights are attached:


2. Reason for the notification

An acquisition or disposal of voting rights                                                       Yes

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              Capital Group International, Inc.
obligation:


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


5. Date of the transaction and date on which the threshold is                12 September 2007
crossed or reached:


6. Date on which issuer notified:                                           13 September 2007


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


8. Notified details:




A: Voting rights attached to shares

Class/type of    Situation previous to the Resulting situation after the triggering transaction
shares           Triggering transaction

if possible      Number of    Number of    Number of shares     Number of voting       % of voting rights
using the ISIN   Shares       Voting                            rights
CODE                          Rights
                                           Direct   Indirect    Direct    Indirect     Direct     Indirect

ADRs             584,230      2,336,920             584,230               2,336,920                0.0666%
(US05523R1077)


Ordinary Shares  241,318,380  241,318,380           246,108,073           246,108,073              7.0163%
(GB0002634946)


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




Total (A+B)

Number of voting rights                            % of voting rights

248,444,993                                        7.0829%





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:



Additional information:        Capital Group International, Inc ('CGII') holdings

                               Holdings by CGII Management Companies and Funds:
                                                                 Number of Shares    % of 
                               outstanding
                               Capital Guardian Trust Company    153,210,169        4.368%
                               Capital International Limited      43,731,136        1.247%
                               Capital International S.A.         17,637,649        0.503%
                               Capital International, Inc.        33,866,039        0.965%






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