EPT Disclosure

ABN AMRO BANK N.V.
                  

FORM 38.5

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

(Rule 38.5 of the City Code on Takeovers and Mergers)

1. KEY INFORMATION

Name of exempt principal trader                              ABN AMRO
                                                              BANK
                                                              N.V.
                                                              London
                                                              Branch
----------------------------------------------------------------------
Company dealt in                                             BAA PLC
----------------------------------------------------------------------
Class of relevant security to which the dealings being       ORD £1
 disclosed relate (Note 1)
----------------------------------------------------------------------
Date of dealing                                              15th
                                                              February
                                                              2006
----------------------------------------------------------------------

2. DEALINGS (Note 2)

(a) Purchases and sales

Total number of securities purchased                     HighestLowest
                                                          price  price
                                                          paid   paid
                                                          (Note  (Note
                                                          3)     3)
----------------------------------------------------------------------
                                                         8.2200 8.0250
3,245,360                                                 GBP    GBP
----------------------------------------------------------------------

Total number of securities sold                     Highest  Lowest
                                                     price    price
                                                     received received
                                                     (Note 3) (Note 3)
----------------------------------------------------------------------
                                                    8.2364   7.9500
3,245,360                                            GBP      GBP
----------------------------------------------------------------------

(b) Derivatives transactions (other than options)

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

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product   Writing,    Number of  ExerciseType, e.g.ExpiryOption money
 name,     selling,    securitiesprice    American,date  paid/received
e.g. call  purchasing, to which           European        per unit
 option    varying     the option         etc.            (Note 3)
           etc.        relates
                       (Note 5)
----------------------------------------------------------------------

(ii) Exercising

Product name, e.g. call option                     Number of  Exercise
                                                    securities price
                                                               per
                                                               unit
                                                               (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                                      16th February
                                                         2006
----------------------------------------------------------------------
Contact name                                            Mark Burnham
----------------------------------------------------------------------
Telephone number                                        020 7678 5898
----------------------------------------------------------------------
Name of offeree/offeror with which connected            BAA Plc
----------------------------------------------------------------------
Nature of connection (Note 6)                           Broker
----------------------------------------------------------------------

Notes

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

FORM 38.5

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

(Rule 38.5 of the City Code on Takeovers and Mergers)

1. KEY INFORMATION

Name of exempt principal trader                              ABN AMRO
                                                              BANK
                                                              N.V.
                                                              London
                                                              Branch
----------------------------------------------------------------------
Company dealt in                                             Carillion
                                                              Plc
----------------------------------------------------------------------
Class of relevant security to which the dealings being       ORD 50P
 disclosed relate (Note 1)
----------------------------------------------------------------------
Date of dealing                                              15th
                                                              February
                                                              2006
----------------------------------------------------------------------

2. DEALINGS (Note 2)

(a) Purchases and sales

Total number of securities purchased                     HighestLowest
                                                          price  price
                                                          paid   paid
                                                          (Note  (Note
                                                          3)     3)
----------------------------------------------------------------------
                                                         3.2161 3.2161
200,000                                                   GBP    GBP
----------------------------------------------------------------------

Total number of securities sold                     Highest  Lowest
                                                     price    price
                                                     received received
                                                     (Note 3) (Note 3)
----------------------------------------------------------------------
                                                    3.2500   3.2200
107,000                                              GBP      GBP
----------------------------------------------------------------------

(b) Derivatives transactions (other than options)

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

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product   Writing,    Number of  ExerciseType, e.g.ExpiryOption money
 name,     selling,    securitiesprice    American,date  paid/received
e.g. call  purchasing, to which           European        per unit
 option    varying     the option         etc.            (Note 3)
           etc.        relates
                       (Note 5)
----------------------------------------------------------------------

(ii) Exercising

Product name, e.g. call option                     Number of  Exercise
                                                    securities price
                                                               per
                                                               unit
                                                               (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                                      16th February
                                                         2006
----------------------------------------------------------------------
Contact name                                            Mark Burnham
----------------------------------------------------------------------
Telephone number                                        020 7678 5898
----------------------------------------------------------------------
Name of offeree/offeror with which connected            Mowlem Plc
----------------------------------------------------------------------
Nature of connection (Note 6)                           Broker
----------------------------------------------------------------------

Notes

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