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               11 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     35,254,822     4.94%      1,637,020       0.23%
securities
(2) Derivatives   1,564,388     0.22%        312,154       0.04%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            36,819,210     5.16%      1,949,174       0.27%


(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      6,240                10.3650
Purchase      1,476                10.3650
Purchase      25,000               10.2000
Purchase      213,172              10.2242
Purchase      12,268               10.3650
Purchase      1,500                10.2400
Purchase      2,496                10.3650
Purchase      957                  10.2500
Purchase      4,988                10.2120
Purchase      995                  10.2450
Purchase      1,757                10.6228
Purchase      26,401               10.4750
Purchase      998                  10.3171
Purchase      3,672                10.3650
Purchase      37,000               10.2000
Sale          999                  10.3629
Sale          24,307               10.2015
Sale          33,433               10.2741
Sale          1,500                10.2500
Sale          26,401               10.4750
Sale          192,439              10.2550
Sale          900                  10.2450
Sale          1,824                10.2085
Sale          9,061                10.3572
Sale          21,336               10.2600
Sale          6                    10.2013
Sale          40,843               10.3650
Sale          373                  10.2000

(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         4988                  10.212
CFD        Short         213172                10.2242
CFD        Short         36433                 10.2392
CFD        Short         1500                  10.24
CFD        Shor          28424                 10.25
CFD        Short         998                   10.317
CFD        Long          1824                  10.2084
CFD        Long          900                   10.245
CFD        Long          1500                  10.25
CFD        Long          33433                 10.2741
CFD        Long          7061                  10.3566
CFD        Long          2000                  10.359
CFD        Long          999                   10.3629

(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                         14 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