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: ( No) An event changing the breakdown of voting rights: ( No) Other (please specify) : ( No) 3. Full name of person(s) subject to the notification obligation: Ameriprise Financial, Inc. and its group 4. Full name of shareholder(s) (if different from 3.): See additional information under 13. 5. Date of the transaction and date on which the threshold is crossed or reached if different): 17/05/07 6. Date on which issuer notified: 18/05/07 7. Threshold(s) that is/are crossed or reached: Below 5% 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 GB0033516088 56,713,973 56,713,973 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 GB0033516088 31,394,546 736,772 30,657,774 0.103 4.295 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 31,394,546 4.398% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: Ameriprise Financial, Inc., which controls the voting rights of Threadneedle Asset Management Holdings Ltd, which controls the voting rights of Threadneedle Asset Management Ltd, Threadneedle International Ltd and Threadneedle Pensions Ltd. 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: Registered Owner Ameriprise Financial Inc A/c 4,195,771 William & Glyns (Isle of Man) Nominees Ltd A/c301780 38,143 William & Glyns (Isle of Man) Nominees Ltd A/c301778 9,786 William & Glyns (Isle of Man) Nominees Ltd A/c301781 9,252 Littledown Nominees Ltd A/c 03449 284,814 Littledown Nominees Ltd A/c 02891 10,039,793 The Bank Of New York (Nominees)Limited A/c 960028 231,287 The Bank Of New York (Nominees)Limited A/c 960053 72,626 The Bank Of New York (Nominees)Limited A/c 960253 420,734 Littledown Nominees Ltd A/c 07198 535,985 Littledown Nominees Ltd A/c 27642 195,828 Littledown Nominees Ltd A/c 10478 13,783 Littledown Nominees Ltd A/c 35822 10,427 Littledown Nominees Ltd A/c 11121 7,375 Littledown Nominees Ltd A/c 10479 33,000 Chetwynd Nominees Ltd IPB A/c TBC 35,601 State Street Bank & Trust, Boston A/c GPE1 129,305 The Bank Of New York (Nominees) Limited A/c 454362 189,494 The Bank Of New York (Nominees) Limited A/c 960039 950 The Bank Of New York (Nominees) Limited A/c 960011 18,519 The Bank Of New York (Nominees) Limited A/c 961111 4,959 Littledown Nominees Ltd A/c 07205 472,720 Littledown Nominees Ltd A/c 21688 215,567 American Express A/c XTHRF31 2,115 Littledown Nominees Ltd A/c 07207 1,351,147 BNY (OSC) Nominees Ltd A/c 219709 255,589 Littledown Nominees Ltd A/c 07196 34,585 Littledown Nominees Ltd A/c 07199 38,907 Roy Nominees A/c 104450 68,896 Mellon Nominees (UK) Ltd A/c AVOF003002 825,878 BNY (OSC) Nominees Ltd A/c 277650 281,209 Mellon Nominees (UK) Ltd A/c WWSF0004002 194,420 Chase Nominees Ltd A/c 42048 14,410 KDTC KAS Depositary Trust Company A/c 22.36.31.213. 127,148 Bank of Ireland Nominees A/c 4270483 237,325 Bank of Ireland Nominees A/c 4239914 153,369 Dexia Bil Sub A/c American Express A/c PTG 4268 55,945 Littledown Nominees Ltd A/c 18667 69,932 Littledown Nominees Ltd A/c 10469 231,424 Littledown Nominees Ltd A/c 18668 73,623 Littledown Nominees Ltd A/c 10496 524,960 Littledown Nominees Ltd A/c 10492 422,135 Littledown Nominees Ltd A/c 10491 2,115,620 Littledown Nominees Ltd A/c 10488 4,627,320 Littledown Nominees Ltd A/c 10495 577,258 Littledown Nominees Ltd A/c 10489 458,674 Threadneedle Specialist Funds ICVC A/c 34204 458,511 Littledown Nominees Ltd A/c 41408 7,627 Chase Nominees Ltd A/c 41407 46,202 Littledown Nominees Ltd A/c 30337 21,185 Littledown Nominees Ltd A/c 02642 847,204 BNY (OSC) Nominees Ltd A/c 219064 106,209 14. Contact name: Company Secretary, Threadneedle group 15. Contact telephone number: 0207 464 5000
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 21, 2007