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               09 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     35,365,244     4.95%      1,502,067       0.21%
securities
(2) Derivatives   1,478,172     0.21%        171,117       0.02%
(other than
options)
(3) Options and           0     0.00%              0       0.00%
agreements to
purchase/sell

Total            36,843,416     5.16%      1,673,184       0.23%


(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      9,074                10.2236
Purchase      1,171                10.2975
Purchase      538                  10.4500
Purchase      3,019                10.5300
Purchase      340                  10.3700
Purchase      398                  10.4750
Purchase      1,000                10.4771
Purchase      136,555              10.3455
Purchase      4,511                10.4444
Purchase      10,088               Transfer
Purchase      21,700               10.4165
Purchase      38,500               10.5194
Purchase      12,666               10.3334
Sale          532                  10.4750
Sale          38,500               10.5194
Sale          499                  10.4629
Sale          8,531                10.1835
Sale          538                  10.4500
Sale          38,500               10.5194
Sale          18,313               10.5151
Sale          13,521               10.2523
Sale          191,236              10.2750
Sale          1,177                10.5983


(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         9074                  10.2235
CFD        Short         18072                 10.2364
CFD        Short         12666                 10.3333
CFD        Short         136555                10.3455
CFD        Short         2976                  10.3863
CFD        Short         21700                 10.4165
CFD        Short         1000                  10.4771
CFD        Long          8531                  10.1835
CFD        Long          13521                 10.2523
CFD        Long          499                   10.4629
CFD        Long          18313                 10.515
CFD        Long          38500                 10.5194


(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                         10 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