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               20 FEBRUARY 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         39,578,223    (3.68%)    2,305,750    (0.21%)
securities
(2) Derivatives         811,310    (0.08%)      601,822    (0.06%)
(other than
options)
(3) Options and         850,000    (0.08%)    1,350,000    (0.13%)
agreements to
purchase/sell
Total                41,239,533    (3.83%)    4,257,572    (0.40%)

(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            8,843,000  (2.08%)              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                   8,843,000  (2.08%)              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      22,900               8.3428
Purchase      21,000               8.2400
Purchase      40,000               8.3000
Purchase      4,623                8.3400
Sale          799                  8.2736
Sale          639                  8.2736
Sale          3,552                8.2736
Sale          7,776                8.2200
Sale          115,000              8.3300
Sale          440                  8.2700
Sale          57,600               8.2869
Sale          16,351               8.3350

The following trades, which were disclosed on 20/02/2006, have been cancelled:

Purchase/sal  Number of Securities Price per unit
e                                  (GBP)
Sale          21,000               8.2400
Sale          7,776                8.2200

(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          57,600                8.2869
CFD        Short         22,900                8.3428

(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 (Note
                varying etc.      relates (Note 7)   (USD)                              5)
Put             Purchasing        Short 500,000      7.5000    American        06/06    18.5000


(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                         21 FEBRUARY 2006
Contact name                               BARCLAYS CORPORATE SECRETARIAT
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