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               27 MARCH 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         10,107,205    (3.35%)       35,696    (0.01%)
securities
(2) Derivatives          35,696    (0.01%)      598,411    (0.20%)
(other than
options)
(3) Options and               0    (0.00%)            0    (0.00%)
agreements to
purchase/sell
Total                10,142,901    (3.36%)      634,107    (0.21%)


(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      1,800                7.2007
Purchase      283                  7.5007
Purchase      2,719                7.1373
Sale          31,579               7.1400
Sale          800                  7.1265
Sale          420                  7.2596
Sale          10,542               7.1450
Sale          11,000               7.1371
Sale          17,400               7.2792



(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of    Price Per
name,      (Note 6)      Securities   Unit (GBP)
e.g. CFD                 (Note 7)
CFD        Long          11,000       7.1371
CFD        Long          17,400       7.2792
CFD        Short         2,719        7.1373
CFD        Short         1,800        7.2007
CFD        Short         283          7.5007
CFD        Short         744          7.2400
CFD        Long          14,469       7.1342
CFD        Long          793          7.1342
CFD        Long          2,719        7.1342


(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                         28 MARCH 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