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               08 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     35,437,031     4.96%      1,588,431       0.22%
securities
(2) Derivatives   1,567,572     0.22%        137,838       0.02%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            37,004,603     5.18%      1,726,269       0.24%


(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      328                  10.3000
Purchase      145,172              10.4424
Purchase      938                  10.3000
Purchase      5,994                10.3671
Purchase      3,826                10.4746
Purchase      5,868                10.3405
Purchase      4,896                10.3000
Purchase      5,121                10.3000
Purchase      17,634               10.3000
Purchase      6,000                10.3516
Purchase      1,291                10.6000
Purchase      12,798               10.2500
Purchase      960,743              10.2500
Purchase      4,092                10.4650
Sale          1,129                10.4688
Sale          12,798               10.2500
Sale          5,000                10.4634
Sale          1,751                10.4688
Sale          19,807               10.4688
Sale          3,000                10.6650
Sale          1,470                10.6600
Sale          62,400               10.4865
Sale          822                  10.3000
Sale          648                  10.5288
Sale          4,050                10.4991
Sale          3,500                10.5852
Sale          936                  10.4688
Sale          9,357                10.4688
Sale          4,177                10.4350
Sale          960,743              10.2500


(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         5868                  10.3405
CFD        Short         6000                  10.3515
CFD        Short         5994                  10.367
CFD        Short         145172                10.4424
CFD        Short         1868                  10.5177
CFD        Long          5000                  10.4634
CFD        Long          62400                 10.4864
CFD        Long          4050                  10.499
CFD        Long          3500                  10.5852
CFD        Long          1470                  10.66
CFD        Long          3000                  10.665


(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                         09 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