EPT Disclosure BAA PLC

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS
                       WITH RECOGNISED INTERMEDIARY STATUS
                      DEALING IN A CLIENT-SERVING CAPACITY
                       (Rule 38.5(a) of the Takeover Code)

1.   KEY INFORMATION

Name of exempt principal      BARCLAYS CAPITAL SECURITIES LIMITED
trader
Company dealt in              BAA PLC
Class of relevant security    2.94% CONVERTIBLE BONDS 04/04/2008
to which the dealings being
disclosed relate (Note 1)
Date of dealing               22 MAY 2006


2.   DEALINGS (Note 2)

(a)  Purchases and sales

Total number of          Highest price paid      Lowest price paid (Note
securities purchased     (Note 3)                3)

2,000,000.00             1.1875                  1.1875


Total number of          Highest price received  Lowest price received
securities sold          (Note 3)                (Note 3)

1,000,000.00             1.1870                  1.1870


(b)  Derivatives transactions (other than options)

Product       Long/short       Number of securities   Price per unit
name,         (Note 4)         (Note 5)               (Note 3)
e.g. CFD



(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 5)                                      (Note 3)


(ii) Exercising

Product name, e.g. call  Number of securities    Exercise price per unit
option                                           (Note 3)



3.   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.



Date of disclosure                         23 MAY 2006
Contact name                               BARCLAYS COMPLIANCE
Telephone number                           020 7116 2913
Name of offeree/offeror with which         BAA PLC
connected
Nature of connection (Note 6)              ADVISOR


Notes

The Notes on Form 38.5(a) can be viewed on the Takeover Panel's website at
 www.thetakeoverpanel.org.uk