Rule 8.3 - BAA PLC

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BAA PLC
Class of relevant security    ORD GBP 1.00
to which the dealings being
disclosed relate (Note 2)
Date of dealing               03 MARCH 2006



2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)


                            Long                    Short

                        Number         (%)       Number        (%)

(1) Relevant         39,508,113    (3.67%)     2,760,831   (0.26%)
securities
(2) Derivatives       1,095,748    (0.10%)       606,724   (0.06%)
(other than
options)
(3) Options and         850,000    (0.08%)     1,350,000   (0.13%)
agreements to
purchase/sell
Total                41,453,861    (3.85%)     4,717,555   (0.44%)




(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)


Class of                   Long                     Short
relevant
security:

2.625%                        Number      (%)          Number       (%)
Convertible
bonds 19/08/2009

(1) Relevant               9,843,000  (2.32%)                 0  (0.00%)
securities
(2) Derivatives                    0  (0.00%)                 0  (0.00%)
(other than
options)
(3) Options and                    0  (0.00%)                 0  (0.00%)
agreements to
purchase/sell
Total                      9,843,000  (2.32%)                  0  (0.00%)





Class of                      Long                     Short
relevant
security:

2.94%Convertible             Number       (%)            Number      (%)
bonds 04/04/2008

(1) Relevant                  20,000  (0.00%)                 0  (0.00%)
securities
(2) Derivatives                    0  (0.00%)                 0  (0.00%)
(other than
options)
(3) Options and                    0  (0.00%)                 0  (0.00%)
agreements to
purchase/sell
Total                         20,000  (0.00%)                 0  (0.00%)



(c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

(a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      235                  8.3785
Purchase      8,073                8.3800
Purchase      9,462                8.3818
Purchase      34,665               8.2611
Purchase      7,500                8.3250
Purchase      1,630                8.3875
Purchase      3,209                8.2000
Purchase      1,341                8.3550
Sale          450                  8.4000
Sale          1,140                8.4000
Sale          600                  8.4000
Sale          800                  8.4008
Sale          450                  8.4008
Sale          600                  8.4000
Sale          500                  8.4000
Sale          480                  8.4008
Sale          600                  8.1815
Sale          550                  8.1615
Sale          1,400                8.4000
Sale          288                  8.3947
Sale          1,597                8.3947
Sale          359                  8.3947
Sale          1,546                8.3947
Sale          1,961                8.3947
Sale          14,120               8.4000
Sale          151,533              8.3453
Sale          867                  8.3792
Sale          16,291               8.3815
Sale          13,000               8.1899
Sale          1,284                8.3550




(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Long          13,000                8.1899
CFD        Long          14,120                8.4000
CFD        Long          151,533               8.3453
CFD        Long          867                   8.3792
CFD        Short         34,665                8.2611
CFD        Short         7,500                 8.3250
CFD        Short         1,630                 8.3875





(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying


Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (Note 7)


(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)






(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)





4.   OTHER INFORMATION

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.





Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         06 MARCH 2006
Contact name                               BARCLAYS COMPLIANCE
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk