FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Pursuant to Rule 13a
- 16 or 15d - 16 of
The Securities and Exchange Act of 1934
For the Month of May, 2007
HANSON PLC
1 Grosvenor Place, London, SW1X 7JH, England
[Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40F.]
Form 20-F X Form 40-F
[Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.]
Yes No X
TR-1: Notifications of Major Interests in Shares
1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:
Hanson plc
2. Reason for notification (yes/no)
An acquisition or disposal of voting rights: ( X )
An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( )
An event changing the breakdown of voting rights: ( )
Other (please specify) : ( )
3. Full name of person(s) subject to notification obligation:
HeidelbergCement AG (on behalf of itself and Spohn Cement GmbH)
4. Full name of shareholder(s) (if different from 3) :
HeidelbergCement AG
5. Date of transaction (and date on which the threshold is crossed or reached
if different):
16 and 17 May 2007
6. Date on which issuer notified:
18 May 2007
7. Threshold(s) that is/are crossed or reached:
27%
8. Notified Details:
A: Voting rights attached to shares
Class/type of shares Situation previous to
the Triggering transaction
if possible use
ISIN CODE
Number of shares Number of voting Rights
Ordinary
Shares of 10p 71,782,552 71,782,552
ISIN:
GB0033516088
Resulting situation after the triggering transaction
Class/type of shares Number of shares Number of voting rights % of voting rights
if possible use
ISIN CODE Direct Indirect Direct Indirect
Ordinary
Shares of 10p 197,414,404 197,414,404 27.7%
ISIN:
GB0033516088
B: Financial Instruments
Resulting situation after the triggering transaction
Type of Expiration date Exercise/conversion No. of voting % of voting
financial period/date rights that may rights
instrument be acquired (if
the instrument
exercised/
converted)
N/A N/A N/A N/A N/A
Total (A+B)
Number of voting rights % of voting rights
197,414,404 27.7%
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
Spohn Cement GmbH owns approximately 62.86% of HeidelbergCement AG.
Proxy Voting:
10. Name of proxy holder:
11. Number of voting rights proxy holder will cease to hold:
12. Date on which proxy holder will cease to hold voting rights:
13. Additional information:
14. Contact name:
Dr Ingo Schaffernak
General Counsel
HeidelbergCement AG
15. Contact telephone number:
+49(0) 62 214 810
For notes on how to complete form TR-1 please see the FSA website.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.
HANSON PLC
By:
/s/ Graham Dransfield
Date: May 18, 2007