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               10 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     35,269,324     4.94%      1,914,778       0.27%
securities
(2) Derivatives   1,663,727     0.23%        173,695       0.02%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            36,933,051     5.17%      2,088,473       0.29%


(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      1,081                10.5562
Purchase      4,774                10.2550
Purchase      6,002                10.3950
Purchase      2,725                Transfer
Purchase      58,551               10.3796
Purchase      1,300                10.3500
Purchase      2,497                10.2851
Purchase      150,000              10.5482
Purchase      1,217                10.5562
Purchase      497                  10.2550
Purchase      32,703               10.5106
Purchase      13,869               10.4346
Purchase      1,865                10.5562
Purchase      2,000                10.5066
Purchase      32,703               10.5106
Purchase      500                  10.4500
Purchase      24,307               10.2550
Sale          26,401               Transfer
Sale          966                  10.4258
Sale          37                   10.5038
Sale          52,145               10.5852
Sale          1,168                10.4258
Sale          215                  10.5000
Sale          24,583               Transfer
Sale          241,563              10.4362
Sale          23,913               Transfer
Sale          8,491                10.2975
Sale          19,426               10.4258
Sale          900                  10.3700
Sale          32,703               10.5106


(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         2497                  10.285
CFD        Short         1300                  10.35
CFD        Short         58551                 10.3796
CFD        Short         13869                 10.4345
CFD        Short         500                   10.45
CFD        Short         8739                  10.4555
CFD        Short         2000                  10.5065
CFD        Short         32703                 10.5105
CFD        Long          8491                  10.2974
CFD        Long          900                   10.37
CFD        Long          232682                10.4338
CFD        Long          8881                  10.4984
CFD        Long          37                    10.5037
CFD        Long          52145                 10.5852

(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                         11 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