Holding(s) in Company

BAE SYSTEMS PLC
11 May 2006

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

BAE SYSTEMS plc

2. Name of shareholder having a major interest

FMR Corp and its direct and indirect subsidiaries, and Fidelity International 
Limited and its direct and indirect subsidiaries

3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

Shareholder named in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them


JP Morgan Chase Bank                                                                  179,200
Brown Brothers Harriman and Co                                                         65,600
JP Morgan Bournemouth                                                               2,960,200
State Str Bk and Tr Co Lndon                                                        7,941,746
Northern Trust London                                                               7,906,540
JP Morgan Bournemouth                                                               4,054,100
HSBC Bank plc                                                                       3,714,130
Mellon Bank                                                                         1,770,900
Bank of New York Brussels                                                           1,604,517
Bankers Trust London                                                                  763,300
Midland Securities Services                                                           337,900
Chase Manhttn Bk AG Frankfrt                                                          314,100
Societe Generale                                                                      173,200
JP Morgan Chase Bank                                                                  166,400
Dexia Privatbank                                                                       35,500
Chase Manhattan London                                                                 33,000
State Street Bank and Tr Co                                                        13,891,382
Brown Bros Harriman & Co                                                            7,872,400
Northern Trust Co                                                                   5,574,352
Mellon Bank N.A.                                                                    3,886,586
JP Morgan Chase Bank                                                                2,969,800
Bank of New York                                                                    1,425,100
CIBC Mellon Trust                                                                     892,457
Royal Trust - Toronto                                                                 132,945
JP Morgan Chase Bank                                                               63,250,904
State Street Bank and Tr Co                                                        11,128,480
Northern Trust Co                                                                   3,346,369
Mellon Bank N.A.                                                                    3,064,796
Brown Brothers Harriman and Co                                                      1,560,510
Northern Trust London                                                                 421,300
Mellon Bank N.A                                                                        99,000
JP Morgan Bournemouth                                                              12,403,559
Bermuda Trust Far East HK                                                             976,580
Brown Bros Harrimn Ltd Lux                                                         41,119,637
JP Morgan, Bournemouth                                                              7,005,597
Chase Manhatn Bk AG Frankfrt                                                        1,404,100
Northern Trust London                                                               1,200,230
HSBC Bank plc                                                                         918,100
State Str Bk and Tr Co Lndn                                                           878,706
BNP Paribas, Paris                                                                    784,350
JP Morgan Bournemouth                                                                 614,400
Bank of New York Brussels                                                             544,600
State Street Bank Australia                                                           511,900
National Astl Bk Melbourne                                                            330,500
Brown Brothers Harriman and Co                                                        328,400
Northern Trust Co                                                                     235,800
BNP Paribas, Paris                                                                    189,700
Ing Luxembourg                                                                        104,372
Morgan Stanley London                                                                  96,804
Master Trust Bank of Japan                                                            730,100
Brown Brothers Harriman and Co                                                        202,570
Nomura Trust and Banking                                                              192,000
Trust & Cust Svcs Bk Ltd, Toko                                                        125,560
Bank of New York Europe Ldn                                                         1,572,500
CDC Finance                                                                           503,000
State Street Bank and Tr Co                                                         1,182,800
State Street Hong Kong                                                                 59,500

5. Number of shares / amount of stock acquired

N/A

6. Percentage of issued class

N/A

7. Number of shares / amount of stock disposed

N/A

8. Percentage of issued class

N/A

9. Class of security

Ordinary shares of 2.5 pence each

10. Date of transaction

Not disclosed.  Figures given as at 10 May 2006

11. Date company informed

11 May 2006

12. Total holding following this notification

225,752,079 shares

13. Total percentage holding of issued class following this notification

7.01%

14. Any additional information

Notification received under s198 CA85

15.  Name and contact details of authorised company official responsible for
making this notification

Ann-Louise Holding, Assistant Company Secretary  (tel: [phone])

16.  Date of notification

11 May 2006


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