Sec Form 4 Filing - Strickler Todd D @ Seadrill Ltd - 2025-08-27

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 Strickler Todd D 2. Issuer Name and Ticker or Trading Symbol Seadrill Ltd [ SDRL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP & General Counsel (Last) (First) (Middle) 11025 EQUITY DRIVE, SUITE 150 3. Date of Earliest Transaction (MM/DD/YY) 08/27/2025 (Street) HOUSTON, TX77041 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 08/27/2025 M 4,552 A 13,601 D Common Shares 08/27/2025 F 1,792 D $ 31.97 11,809 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 Restricted Stock Units ( 1 ) 08/27/2025 M 4,552 ( 1 ) ( 1 ) Common Shares 4,552 ( 1 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Strickler Todd D 11025 EQUITY DRIVE, SUITE 150 HOUSTON, TX77041 SVP & General Counsel Signatures /s/ Todd D. Strickler 08/28/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On August 6, 2022, the reporting person was granted 7,480 performance-based restricted stock units, each of which represented a contingent right to receive one common share, par value $0.01 per share (a "Common Share"), of Seadrill Limited (the "Company"). The restricted stock units could be earned based on the extent the Company maintained or exceeded set per Common Share trading prices for a period of at least 45 consecutive trading days over the period beginning on August 6, 2022 and ending on August 6, 2025. The earned restricted stock units vested subject to the reporting person's continued employment during such period. On August 27, 2025, the Joint Nomination and Remuneration Committee of the Board of Directors of the Company certified achievement of the performance goals at 60.86%.

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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