Notice of Announcement

Notice of Announcement

First Quarter Results

HAMILTON, Bermuda, May 10, 2012 - Signet Jewelers Limited ("Signet") (NYSE and LSE: SIG), the largest specialty retail jeweler in the US and UK, intends to announce its results for the 13 weeks ended April 28, 2012, at 7.30 a.m. EDT on Thursday, May 24 2012.

On that date there will be a conference call at 8.30 a.m. EDT (1.30 p.m. BST and 5.30 a.m. Pacific Time) and a simultaneous audio webcast and slide presentation available at www.signetjewelers.com. The slides will be available to be downloaded from the website ahead of the conference call.

To help ensure the conference call begins in a timely manner, could all participants please dial in 5 to 10 minutes prior to the scheduled start time. The call details are:

US dial-in: +1-212-444 0896

European dial-in: +44 (0) 20 7784 1036

Confirmation Code: 1545796

Enquiries:

Tim Jackson, Investor Relations Director +44 (0) 20 7317 9711

Allison Malkin, ICR Inc. +1-203-682 8225

Jonathan Glass, Brunswick +44 (0) 20 7404 5959