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               04 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     35,353,918     4.95%      1,733,685       0.24%
securities
(2) Derivatives   1,710,602     0.24%        195,386       0.03%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            37,064,520     5.19%      1,929,071       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      1,064                10.7400
Purchase      1,864                10.2500
Purchase      2,000                10.5300
Purchase      1,464                10.8100
Purchase      5,337                10.7577
Purchase      2,883                10.7050
Purchase      6,713                10.7050
Purchase      25,473               10.7681
Purchase      13,180               Transfer
Purchase      21,217               10.8830
Purchase      223,800              10.7646
Purchase      13,700               10.7276
Sale          2,883                10.7050
Sale          21,511               10.8575
Sale          450                  10.8104
Sale          123                  10.5429
Sale          4,988                11.1328
Sale          4,458                10.8100
Sale          42,900               10.7358
Sale          83,456               10.8053
Sale          1,864                10.2500
Sale          1,521                10.7925
Sale          14,775               10.7050
Sale          35                   10.7986
Sale          26,900               10.7469


(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         2000                  10.53
CFD        Short         13700                 10.7276
CFD        Short         1064                  10.74
CFD        Short         3093                  10.7565
CFD        Short         5337                  10.7577
CFD        Short         223800                10.7645
CFD        Short         25473                 10.768
CFD        Short         35564                 10.7869
CFD        Short         21217                 10.883
CFD        Long          123                   10.5429
CFD        Long          42900                 10.7357
CFD        Long          23600                 10.7468
CFD        Long          3300                  10.7469
CFD        Long          1521                  10.7924
CFD        Long          35                    10.7985
CFD        Long          83456                 10.8052
CFD        Long          21511                 10.8575
CFD        Long          4988                  11.1327


(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                         08 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