Rule 8.3- BAA Plc

Schroders PLC
16 March 2006

                                                                        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  (Note 1)             Schroders plc
Company dealt in                              BAA plc
Class of relevant security to which the      Ordinary GBP 1
dealings being disclosed relate (Note 2)
Date of dealing                              15/03/06



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 securities                                             52,155,629     4.830%
(2) Derivatives (other than options)                                                      38935.97   0.004%
(3) Options and agreements to purchase/sell
Total


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


 Class of relevant security:                                           Long             Short
                                                                       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 (Note 5)


Sale                                                              11,800                                   827p



(b)        Derivatives transactions (other than options)


 Product name, e.g.     Long/short (Note 6)    Number of securities (Note 7)     Price per unit (Note 5)
                CFD

Written call option                   Short                        35,616.97                          8p
(cash  settled) 06/
02/06
Written call option                   Short                            3,319                        7.5p
(cash  settled) 08/
03/06

(c)        Options transactions in respect of existing securities

(i)         Writing, selling, purchasing or varying


Product name,e.g.   Writing,         Number of           Exercise  Type, e.g.    Expiry    Option moneypaid
call option         selling,         securities to which price     American,     date      /received per
                    purchasing,      the option relates            European etc.           unit (Note 5)
                    varying etc.     (Note 7)








(ii)        Exercising


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






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


Nature of transaction (Note 8)       Details                             Price per unit (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)
            YES




Date of disclosure                                             16/03/06
Contact name                                                   Albion Onojobi
Telephone number                                               0207 658 2962
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


                                                             SUPPLEMENTAL FORM 8





                           DETAILS OF OPEN POSITIONS

   (This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as
                                  appropriate)









OPEN POSITIONS (Note 1)


      Product name,      Written or   Number of securities   Exercise price     Type, e.g.             Expiry date
                          purchased to which the option or         (Note 2)      American,
   e.g. call option                     derivative relates                   European etc.


        Call option         Written              35,616.97             689p       European                08/05/06

                                           Ordinary shares
        Call option         Written                  3,319           916.5p       European                08/05/06

                                           Ordinary shares



Notes



1. Where there are open option positions or open derivative positions (except
for CFDs), full details should be given.  Full details of any  existing
agreements to purchase or to sell  should also be given on this form.



2. For all prices and other monetary amounts, the currency must be stated.



For details of the Code's dealing disclosure requirements, see Rule 8 and its
Notes which can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk






















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