Sec Form 4 Filing - SEIFFER JONATHAN A @ SIGNET JEWELERS LTD - 2021-06-25

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person SEIFFER JONATHAN A 2. Issuer Name and Ticker or Trading Symbol SIGNET JEWELERS LTD [ SIG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 11111 SANTA MONICA BOULEVARD, SUITE 2000 3. Date of Earliest Transaction (MM/DD/YY) 06/25/2021 (Street) LOS ANGELES, CA90025 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Shares, par value $0.18 06/25/2021 A 2,012 ( 1 ) A $ 0 ( 1 ) 17,912 ( 2 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Series A Convertible Preference Shares ( 3 ) $ 81.7682 ( 4 ) ( 5 ) ( 6 ) Common Shares 8,032,923 625,000 ( 7 ) I See footnote. ( 7 ) ( 8 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SEIFFER JONATHAN A 11111 SANTA MONICA BOULEVARD SUITE 2000 LOS ANGELES, CA90025 X X Signatures /s/ Andrew Goldberg, as attorney-in-fact 06/29/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents shares of Common Stock of the Issuer ("Common Shares") underlying restricted stock units awarded to Mr. Jonathan A. Seiffer on June 25, 2021 as compensation for his service on the Issuer's board of directors which vest on the first anniversary of the grant date and are held by Mr. Seiffer for the benefit of Leonard Green & Partners, L.P. ("LGP"). ( 2 )Represents Common Shares owned by Mr. Seiffer and held for the benefit of LGP, including 2,012 restricted stock units, which are subject to certain vesting and forfeiture provisions. ( 3 )Series A Convertible Preference Shares, par value $0.01 per share ("Series A Preference Shares"). ( 4 )The Series A Preference Shares have a stated value of $1,050.94 per share and are convertible into Common Shares of the issuer at a current conversion price of $81.7682 per share at a conversion ratio of 12.2297 Common Shares per Series A Preference Share. The conversion ratio is subject to certain anti-dilution and other adjustments and is subject to change. Since the acquisition of the Series A Preference Shares, the conversion rate has been adjusted as a result of these anti-dilution adjustments. ( 5 )Immediately. ( 6 )The Series A Preference Shares do not have an expiration date. ( 7 )Green Equity Investors VI, L.P. ("GEI VI"), Green Equity Investors Side VI, L.P. ("GEI Side VI"), LGP Associates VI-A LLC ("Associates VI-A") and LGP Associates VI-B LLC ("Associates VI-B") are the direct owners of the shares reported herein. Of the shares reported on this row, GEI VI is the direct owner of 387,522 Series A Preference Shares which are convertible into 4,980,696 Common Shares, GEI Side VI is the direct owner of 230,963 Series A Preference Shares which are convertible into 2,968,493 Common Shares, Associates VI-A is the direct owner of 470 Series A Preference Shares which are convertible into 6,040 Common Shares, and Associates VI-B is the direct owner of 6,045 Series A Preference Shares which are convertible into 77,694 Common Shares. ( 8 )Mr. Seiffer directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of the shares owned by GEI VI, GEI Side VI, Associates VI-A and Associates VI-B. Mr. Seiffer disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein and this report shall not be deemed an admission that he is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.

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* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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