Holding(s) in Company

BAE SYSTEMS PLC
12 February 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 (please tick the appropriate box or boxes):                  n/a see
                                                                                            additional
                                                                                            information
An acquisition or disposal of voting rights
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      7 February 2007
crossed or reached:

6. Date on which issuer notified:                                  8 February 2007
                                                                   (received 9 February 2007)


7. Threshold(s) that is/are crossed or reached:                    6%
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     Shares       Voting                               rights
ISIN CODE                  Rights
                                        Direct     Indirect     Direct    Indirect     Direct    Indirect

Ordinary      191,175,770  191,175,770             188,603,770            188,603,770             5.8819%
Shares
American        512,860     2,051,420                514,760               2,059,020              0.0642%
Depositary
Receipt


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
  190,662,793                                           5.9462%


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





A: Voting rights attached to shares
Class/type   Situation previous to the   Resulting situation after the triggering transaction
of shares    Triggering transaction

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

Ordinary     1,886,603,770 1,886,603,770          1,886,603,770           188,603,770             5.8819%
Shares
American        514,160      2,056,620               514,760               2,059,020              0.0642%
Depositary
Receipt


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
   190,662,793                                           5.9462%


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

                                             Holdings by CGII Management Companies and Funds:
                                                                            Number of  Shares   % of outstanding
                                             Capital Guardian Trust Company      190,662,793          5.946%
                                             Capital International Limited        40,723,004          1.270%
                                             Capital International S.A.           15,100,749          0.471%
                                             Capital International, Inc.          25,620,739          0.799%

14. Contact name:                            Ann-Louise Holding, BAE Systems

15. Contact telephone number:                01252 373232


C: Additional information





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