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 June 14, 2007
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-
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: Signet Group plc 2. Reason for the notification (please tick the appropriate box or boxes): 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 3. Full name of person(s) subject to the notification obligation: Deutsche Bank AG 4. Full name of shareholder(s) (if different from 3.) 5. Date of the transaction and date on which the threshold is crossed or reached: 12/06/07 6. Date on which issuer notified: 14/06/07 7. Threshold(s) that is/are crossed or reached: 3% 8. Notified details: A: Voting rights attached to shares Class/type Situation previous to the Resulting situation after the triggering of shares Triggering transaction transaction if possible using the Number of Number of Voting Number of shares Number of voting % of voting ISIN CODE Shares Rights viii rights ix rights Direct Indirect Direct Indirect Direct Indirect x xi GB00B1HTFP68 53,936,738 53,936,738 Below 3% Below 3% Below 3% B: Financial Instruments Resulting situation after the triggering transaction xii Type of Expiration Exercise/ Number of voting % of voting financial date xiii Conversion Period/ rights that may be rights instrument Date xiv acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights Below 3% Below 3% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable xv: Proxy Voting: 10. Name of the 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: 15. Contact telephone number: Identity of the notifier Full name: Mark Andrew Jenkins - Group Company Secretary Contact address: Signet Group plc, 15 Golden Square, London, W1F 9JG Phone number: 0870 90 90 301
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: June 14, 2007