Rule 8.3 - ASSOCIATED BRITISH PORTS HOLDINGS 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              ASSOCIATED BRITISH PORTS HOLDINGS PLC
Class of relevant security    ORD GBP 0.25
to which the dealings being
disclosed relate (Note 2)
Date of dealing               14 JUNE 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         10,436,354    (3.46%)        36,936   (0.01%)
securities
(2) Derivatives          34,400    (0.01%)       269,339   (0.09%)
(other than
options)
(3) Options and               0    (0.00%)             0   (0.00%)
agreements to
purchase/sell

Total                10,470,754    (3.47%)       306,275   (0.10%)



(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      988                  7.7513
Purchase      100,000              8.3548
Purchase      1,892                8.2650
Purchase      80,000               8.3971
Purchase      50,000               8.4084
Purchase      181,292              8.3382
Purchase      979                  8.3749
Purchase      3,580                8.4084
Sale          700                  8.3500
Sale          500                  8.3200
Sale          600                  8.3200
Sale          1,000                8.3500
Sale          300                  8.3200
Sale          350                  8.3200
Sale          600                  8.3200
Sale          1,000                8.3200
Sale          750                  8.3500
Sale          1,000                8.3800
Sale          500                  8.3200
Sale          1,000                8.3200
Sale          1,000                8.3200
Sale          1,500                8.3200
Sale          1,000                8.3500
Sale          200                  8.3200
Sale          600                  8.3200
Sale          500                  8.3200
Sale          700                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          450                  8.3500
Sale          3,500                8.3500
Sale          400                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          1,400                8.3200
Sale          1,300                8.3200
Sale          500                  8.3200
Sale          300                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          700                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          1,000                8.3800
Sale          500                  8.3500
Sale          2,500                8.3200
Sale          1,000                8.3200
Sale          500                  8.3200
Sale          350                  8.3700
Sale          800                  8.3200
Sale          800                  8.3200
Sale          500                  8.3200
Sale          700                  8.3200
Sale          700                  8.3200
Sale          800                  8.3200
Sale          1,000                8.3200
Sale          500                  8.3200
Sale          250                  8.3200
Sale          500                  8.3200
Sale          500                  8.3200
Sale          400                  8.3200
Sale          500                  8.3200
Sale          1,500                8.3200
Sale          375                  8.3200
Sale          500                  8.3200
Sale          2,000                8.3200
Sale          500                  8.3200
Sale          2,500                8.3200
Sale          500                  8.3200
Sale          600                  8.3200
Sale          750                  8.3200
Sale          800                  8.3200
Sale          1,500                8.3200
Sale          400                  8.3200
Sale          350                  8.3200
Sale          1,000                8.3200
Sale          500                  8.3500
Sale          435                  8.3500
Sale          1,625                8.3500
Sale          500                  8.3200
Sale          600                  8.3200
Sale          912                  Transfer
Sale          131,303              8.3122
Sale          24,527               8.2682
Sale          480                   8.3350



(b)  Derivatives transactions
     (other than options)

Product Name,  Long/Short   Number of         Price Per Unit
(e.g. CFD)     (Note 6)     Securities        (GBP)
                            (Note 7)
CFD            Short        979               8.3749
CFD            Short        3580              8.4084
CFD            Short        181292            8.3382
CFD            Long         131303            8.3122
CFD            Short        500               8.2617
CFD            Short        2640              8.3567
CFD            Long         700               8.3198
CFD            Long         2670              8.3983
CFD            Short        100000            8.3548
CFD            Long         91,218            8.3714
CFD            Long         304,007           8.4084
CFD            Long         33,482            8.3714
CFD            Long         111,618           8.4084
CFD            Long         111,355           8.3714
CFD            Long         371,090           8.4084
CFD            Long         979               8.3714
CFD            Long         3,580             8.3633


(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 5)
                varying etc.      relates (Note 7)


(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                         15 June 2006
Contact name                               BARCLAYS COMPLIANCE
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