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: NOTIFICATION 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 the notification (please state Yes/No): ( ) An acquisition or disposal of voting rights: (YES) 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 the notification obligation: LEGAL & GENERAL GROUP PLC (GROUP) LEGAL & GENERAL INVESTMENT MANAGEMENT LIMITED (LGIM) 4. Full name of shareholder(s) (if different from 3.): LEGAL & GENERAL ASSURANCE (PENSIONS MANAGEMENT) LIMITED (PMC) LEGAL & GENERAL GROUP PLC (L&G) 5. Date of the transaction and date on which the threshold is crossed or reached if different): 23/05/07 6. Date on which issuer notified: 25/05/07 7. Threshold(s) that is/are crossed or reached: BELOW 5% (GROUP) BELOW 5% (LGIM) 8. Notified details: A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction Number of shares Number of voting Rights ORD 10P 38,163,992 38,163,992 Resulting situation after the triggering transaction Class/type of shares Number of shares Number of voting rights % of voting rights if possible using the ISIN CODE Direct Direct Indirect Direct Indirect BELOW 5% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Date Exercise/Conversion Number of voting % of voting financial Period/ Date rights that may be rights instrument acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights BELOW 5% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Legal & General Group Plc (Direct and Indirect) (Group) (Below 5%) Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect) (Below 5%) Legal & General Investment Management Limited (Indirect) (LGIM) (Below 5%) Legal & General Group Plc (Direct) (L&G) (31,142,250 - 4.36% = LGAS, LGPL & PMC) Legal & General Investment Management (Holdings) Legal & General Insurance Holdings Limited Limited (Direct) (LGIMHD) (22,242,581 - 3.11% = (Direct) (LGIH) PMC) Legal & General Assurance (Pensions Management) Legal & General Assurance Society Limited Limited (PMC) (22,242,581 - 3.11% = PMC) (LGAS & LGPL) Legal & General Pensions Limited (Direct) (LGPL) Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: NOTIFICATION USING THE TOTAL VOTING RIGHTS FIGURE OF 713,792,735 14. Contact name: HELEN LEWIS (LGIM) 15. Contact telephone number: 020 7528 6742
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 25, 2007