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               14 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     35,066,532     4.91%      1,663,191       0.23%
securities
(2) Derivatives   1,497,657     0.21%        215,458       0.03%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            36,564,189     5.12%      1,878,649       0.26%


(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      1,520                10.3900
Purchase      932                  10.5700
Purchase      40,843               10.2550
Purchase      6,359                10.5097
Purchase      940                  10.4860
Purchase      2,980                10.4860
Purchase      150,000              10.5429
Purchase      408                  10.2048
Purchase      20,538               10.4605
Purchase      1,136                10.4860
Purchase      3,140                10.5347
Purchase      4,896                10.5700
Purchase      5,494                10.5515
Purchase      26,900               10.5467
Purchase      20,538               10.4605
Purchase      560                  10.2048
Purchase      718                  Transfer
Purchase      1,865                10.4860
Purchase      1,373                10.4860
Sale          3,541                10.5386
Sale          3,192                10.5386
Sale          1,965                10.5386
Sale          20,538               10.4605
Sale          1,412                10.5750
Sale          1,813                10.5386
Sale          29,889               10.5386
Sale          60,243               10.5386
Sale          3,613                10.5386
Sale          4,875                10.5386
Sale          3,592                10.5386
Sale          99,859               10.5230
Sale          40,843               10.2550
Sale          2,379                10.4200
Sale          2,448                10.5386
Sale          932                  10.5700
Sale          4,490                10.5386
Sale          3,817                10.5386
Sale          3,067                10.5386
Sale          975                  10.5386
Sale          3,450                10.5386
Sale          23,990               10.5220
Sale          2,332                10.5386
Sale          675                  10.5700
Sale          5,500                10.5386

NB: The below transactions which were previously disclosed have been cancelled
Deal Date   Purchase/Sale   Number of Securities   Price per unit (GBP)
10/05/2007  Purchase        150,000                10.5482

(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name                                           Unit
CFD        Short         1520                  10.39
CFD        Short         20538                 10.4605
CFD        Short         3598                  10.4781
CFD        Short         8299                  10.4969
CFD        Short         24013                 10.5089
CFD        Short         3140                  10.5347
CFD        Short         26900                 10.5467
CFD        Short         2761                  10.5508
CFD        Short         5494                  10.5515
CFD        Long          2379                  10.42
CFD        Long          23990                 10.522
CFD        Long          99859                 10.5229


(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                         15 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