Sec Form 3 Filing - Johns Bryce L. @ Chubb Ltd - 2023-02-23

FORM 3 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 Johns Bryce L. 2. Issuer Name and Ticker or Trading Symbol Chubb Ltd [ CB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior Vice President, * (Last) (First) (Middle) THE CHUBB BUILDING, 17 WOODBOURNE AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 02/23/2023 (Street) HAMILTON, D0HM 08 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 9,235 ( 1 ) ( 2 ) ( 3 ) 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 Options to Acquire Common Shares $ 205.17 ( 4 ) 05/02/2032 Common Shares 4,387 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Johns Bryce L. THE CHUBB BUILDING 17 WOODBOURNE AVENUE HAMILTON, D0HM 08 Senior Vice President, * Signatures /s/ Samantha Froud, Attorney-in-fact 02/24/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Included in the total are 6,520 shares of restricted stock granted pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan"). These shares vest in equal installments on May 2, 2023, May 2, 2024, May 2, 2025 and May 2, 2026. ( 2 )Included in the total are 1,645 shares of restricted stock granted on May 2, 2022 pursuant to the Plan. These shares vest on the third anniversary of the date of the award subject to the satisfaction of certain service and performance based criteria. ( 3 )Included in the total are 1,070 shares of restricted stock granted on May 2, 2022 pursuant to the Plan, representing a premium performance award with respect to the performance restricted stock awards. These shares vest on the third anniversary of the date of the award subject to the satisfaction of certain service and performance based criteria. These shares will not be entitled to vote until vested. Dividends on these shares shall be accumulated and distributed only when, and to the extent, that the shares have vested. ( 4 )Options awarded pursuant to the Plan. Options vest in equal installments on May 2, 2023, May 2, 2024 and May 2, 2025.

Remarks: *Chubb Group. President, Chubb Life.Exhibit ListExhibit 24 - Power of Attorney

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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