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               09 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         41,395,337    (3.84%)    1,709,103    (0.16%)
securities
(2) Derivatives         623,920    (0.06%)    1,424,770    (0.13%)
(other than
options)
(3) Options and               0    (0.00%)            0    (0.00%)
agreements to
purchase/sell
Total                42,019,257    (3.90%)    3,133,873    (0.29%)




(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:

                  Number                    Number
                               (%)                          (%)
(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


(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      249                  Transfer
Purchase      3,250                7.8050
Purchase      75,000               7.5200
Purchase      75,000               7.8000
Purchase      173,600              7.8000
Purchase      347,300              7.8000
Purchase      112,500              7.7750
Purchase      7,879                7.8020
Purchase      75,000               7.8000
Sale          117                  7.8205
Sale          774                  7.8205
Sale          400                  7.8205
Sale          1,000                7.8509
Sale          92                   7.8205
Sale          200                  7.8205
Sale          200                  7.8205
Sale          244                  7.8205
Sale          289                  7.8205
Sale          850                  7.8017
Sale          193                  7.8205
Sale          456                  7.8205
Sale          1,000                7.8509
Sale          639                  7.8205
Sale          379                  7.8205
Sale          111                  7.8205
Sale          348                  7.8205
Sale          232                  7.8205
Sale          1,656                7.7950
Sale          28,000               7.8000
Sale          347,300              7.8000
Sale          267,000              7.8178
Sale          1,580                7.7950
Sale          21,339               7.8000
Sale          186,618              7.7975
Sale          58,054               7.8061
Sale          59,904               7.8207


The trade below, which was reported on 09/02/2006, has been
cancelled.

Purchase/sale Number of Securities  Price per unit
                                    (GBP)
Purchase      37,500                6.5500



 (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          59,904               7.8207
 CFD         Long          186,618              7.7975
 CFD         Long          58,054               7.8061
 CFD         Long          5,251                7.8006
 CFD         Long          18,000               7.8006






 (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
                varying etc.      relates (Note 7)                                      (Note 5)




 (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                         10 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