Blocklisting Interim Review

BAE SYSTEMS PLC
15 July 2005


                        BLOCKLISTING SIX MONTHLY RETURN



1. Name of company
BAE Systems plc

2. Name of scheme
BAE Share Option Plan 2001

(Options granted 2001 onwards)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
10,945,854

5. Number of shares issued / allotted under scheme during period:
NIL

6. Balance under scheme not yet issued / allotted at end of period
10,945,854

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
10,945,854 Jan 2002

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary




                        BLOCKLISTING SIX MONTHLY RETURN



Please ensure the entries on this return are typed


1. Name of company
BAE Systems plc

2. Name of scheme
BAE JV Share Option Plan 2001

(Options granted 2001 onwards)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
2,925,060

5. Number of shares issued / allotted under scheme during period:
7,050

6. Balance under scheme not yet issued / allotted at end of period
2,918,010

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
2,925,060 Jan 2002

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary



                        BLOCKLISTING SIX MONTHLY RETURN



1. Name of company
BAE Systems plc

2. Name of scheme
BAE Systems Executive Share Option Scheme 1993

(Options granted 1994 to 2000)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
12,793,228

5. Number of shares issued / allotted under scheme during period:
262,042

6. Balance under scheme not yet issued / allotted at end of period
12,531,186

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
24,776,492 between April 1996 and April 2000

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary



                        BLOCKLISTING SIX MONTHLY RETURN



1. Name of company
BAE Systems plc

2. Name of scheme
BAE Systems Joint Venture SAYE Share Option Scheme 1998

(Options granted 1998 onwards)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
5,792,943

5. Number of shares issued / allotted under scheme during period:
235,129

6. Balance under scheme not yet issued / allotted at end of period
5,557,814

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
5,973,931 (Nov 1998 to Apr 2000)

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary




                        BLOCKLISTING SIX MONTHLY RETURN



1. Name of company
BAE Systems plc

2. Name of scheme
BAE Systems Joint Venture Executive Share Option Scheme 1998

(Options granted 1998 to 2000)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
797,679

5. Number of shares issued / allotted under scheme during period:
NIL

6. Balance under scheme not yet issued / allotted at end of period
797,679

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
860,209 (Nov 1999 to Apr 2000)

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary



                        BLOCKLISTING SIX MONTHLY RETURN

1. Name of company
BAE Systems plc

2. Name of scheme
BAE Systems SAYE Share Option Scheme 1993

(Options granted to 2002)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
48,220,769

5. Number of shares issued / allotted under scheme during period:
1,489,741

6. Balance under scheme not yet issued / allotted at end of period
46,731,028

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
84,028,260 (Dec 1994 to Apr 2000)

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary


                        BLOCKLISTING SIX MONTHLY RETURN

1. Name of company
BAE Systems plc

2. Name of scheme
BAE Systems All Employee Share Schemes

(Options granted 2002 onwards)

3. Period of return:
From       1 January 2005                            To     30 June 2005

4. Number and class of shares(s) (amount of stock / debt security) not issued
under scheme
2,970,985

5. Number of shares issued / allotted under scheme during period:
111,829

6. Balance under scheme not yet issued / allotted at end of period
2,859,156

7. Number and class of share(s) (amount of stock / debt securities) originally
listed and the date of admission;
3,000,000 (5 December 2003)

Please confirm total number of shares in issue at the end of the period in order
for us to update our records
3,212,475,634

Contact for queries
Name              Simone Barratt
Address           Stirling Square, 6 Carlton Gardens, London SW1Y 5AD
Telephone         [phone]

Person making the return
Name              David Parkes
Position          Company Secretary


                      This information is provided by RNS
            The company news service from the London Stock Exchange