Rule 8.3 - HANSON

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              HANSON PLC
Class of relevant security    ORD GBP0.10
to which the dealings being
disclosed relate (Note 2)
Date of dealing               03 May 2007

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     35,241,087     4.94%      2,265,994       0.32%
securities
(2) Derivatives   1,884,853     0.26%        219,823       0.03%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            37,125,940     5.20%      2,485,817       0.35%


(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      23,816               8.9609
Purchase      75,566               9.4871
Purchase      1,300                8.8400
Purchase      1,500                8.6600
Purchase      10,570               8.6350
Purchase      100,250              10.0640
Purchase      9,148                9.0408
Sale          156                  8.4263
Sale          130,184              9.5542
Sale          308,899              8.9073
Sale          3,400                8.7302
Sale          2,700                9.5385
Sale          150                  8.6563
Sale          650                  8.6612
Sale          1,645                8.6550
Sale          44,958               8.7273
Sale          18,491               8.6288
Sale          5,682                9.9847
Sale          433                  8.8063
Sale          2,600                8.6100
Sale          500                  8.6664
Sale          275                  8.8312
Sale          11,400               8.7134
Sale          34,000               9.2721
Sale          47,779               9.8501
Sale          750                  8.6613
Sale          6,922                8.8100


(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Short         100250                10.064
CFD        Short         1500                  8.66
CFD        Short         4630                  8.7043
CFD        Short         10227                 8.7771
CFD        Short         1300                  8.84
CFD        Short         23816                 8.9609
CFD        Short         9148                  9.0408
CFD        Short         65339                 9.5982
CFD        Long          18491                 8.6288
CFD        Long          1645                  8.655
CFD        Long          11400                 8.7133
CFD        Long          44958                 8.7272
CFD        Long          3400                  8.7301
CFD        Long          308899                8.9072
CFD        Long          34000                 9.272
CFD        Long          2700                  9.5385
CFD        Long          130184                9.5541
CFD        Long          47779                 9.8501
CFD        Long          5682                  9.9847


(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 (GBP)
                varying etc.      relates (GBP)


(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
None

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                         04 May 2007
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