FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Special Report of Foreign Issuer
Pursuant to Rule 13a - 16 or 15d - 16 of
The Securities and Exchange Act of 1934
For the date of December 08, 2006
SIGNET GROUP plc
(Translation of registrant's name into English)
15 Golden Square
London W1F 9JG
England
(Address of principal executive office)
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
If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-
SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Name of company SIGNET GROUP plc 2. Name of shareholder having a major interest THE CAPITAL GROUP COMPANIES INC ("CG"). 3. Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18 NON BENEFICIAL INTEREST. PLEASE SEE LETTER BELOW FROM CG. 4. Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them PLEASE SEE LETTER BELOW. 5. Number of shares / amount of stock acquired N/A 6. Percentage of issued class N/A 7. Number of shares / amount of stock disposed NOT STATED 8. Percentage of issued class N/A 9. Class of security 0.5p ORDINARY SHARES 10. Date of transaction NOT STATED. 11. Date company informed 8 DECEMBER 2006 12. Total holding following this notification SEE BELOW. 13. Total percentage holding of issued class following this notification SEE BELOW. 14. Any additional information - 15. Name of contact and telephone number for queries MARK JENKINS 0870 9090301 16. Name and signature of authorised company official responsible for making this notification MARK JENKINS Date of notification 08.12.06 LETTER FROM THE CAPITAL GROUP COMPANIES, INC. As of 6 December 2006 Signet Group plc No. of Shares Percent of Outstanding The Capital Group Companies, Inc. ("CG") holdings 171,112,377 9.986 Holdings by CG Management Companies and Funds: Capital Guardian Trust Company 11,087,460 0.647 Capital International Limited 128,249,281 7.485 Capital International S.A. 15,017,710 0.876 Capital International, Inc 16,757,926 0.978 Schedule A Schedule of holdings in Signet Group plc As of 6 December 2006 Capital Guardian Trust Company Registered Name Local Shares State Street Nominees Limited 332,900 Bank of New York Nominees 445,344 Chase Nominees Limited 4,545,416 BT Globenet Nominees Ltd 36,000 Midland Bank plc 127,300 Cede & Co 57,400 Nortrust Nominees 5,393,300 State Street Bank & Trust Co 57,600 Mellon Nominees (UK) Limited 92,200 TOTAL 11,087,460 Schedule B Capital International Limited Registered Name Local Shares State Street Nominees Limited 1443700 Bank of New York Nominees 31,653,840 Northern Trust 15,395,182 Chase Nominees Limited 26,500,207 Midland Bank plc 2,315,400 Bankers Trust 770,000 Barclays Bank 345,500 Citibank London 367,700 Morgan Guaranty 2,958,400 Nortrust Nominees 16,645,624 MSS Nominees Ltd 290,000 State Street Bank & Trust Co 12,038,008 Lloyds Bank 154,500 Citibank 455,500 Citibank NA 163,200 Deutsche Bank AG 401,000 Chase Manhattan Nominee Ltd 504,200 HSBC Bank plc 8,177,700 Mellon Bank N.A. 1,543,500 KAS UK 651,720 Mellon Nominees (UK) Limited 606,900 Bank One London 1,770,100 HSBC 75,000 JP Morgan Chase Bank 379,300 Raiffeisen Zentral Bank 1,996,700 Fortis Bank 46,400 Metzler Seel Sohn & Co 534,000 Bayerische Hypo Und Vereinsbank AG 66,000 TOTAL 128,249,281 Schedule B Capital International S.A. State Street Nominees Ltd 122,000 Chase Nominees 2,513,710 Midland Bank plc 578,300 Barclays Bank 130,000 Pictet & Cie, Geneva 337,000 Nortrust Nominees 89,400 Morgan Stanley 103,700 J.P. Morgan 8,529,700 State Street Bank & Trust Co 437,000 Lloyds Bank 153,000 Citibank NA 85,900 HSBC Bank plc 793,000 JP Morgan Chase Bank 69,000 Lombard Odier Et Cie, Geneva 821,000 Metzler Seel Sohn & Co 55,000 Credit Suisse, Zurich 200,000 TOTAL 15,017,710 Schedule B Capital International Inc. State Street Nominees Limited 2,984,100 Bank of New York Nominees 1,851,600 Northern Trust 109,000 Chase Nominees Limited 8,024,600 Midland Bank plc 213,500 Bankers Trust 44,000 Nortrust Nominees 1,159,126 State Street Bank & Trust Co 576,600 Citibank 74,200 Citibank NA 1,277,400 HSBC Bank plc 98,000 JP Morgan Chase Bank 345,800 TOTAL 16,757,926
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 authorized.
SIGNET
GROUP plc
By: /s/
Walker Boyd
Name: Walker
Boyd
Title:
Group Finance Director
Date: December 08, 2006