Sec Form 4 Filing - SUSMAN SALLY @ UL Solutions Inc. - 2026-06-08

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 SUSMAN SALLY 2. Issuer Name and Ticker or Trading Symbol UL Solutions Inc. [ ULS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O UL SOLUTIONS INC., 333 PFINGSTEN ROAD 3. Date of Earliest Transaction (MM/DD/YY) 06/08/2026 (Street) NORTHBROOK, IL60062 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

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 Deferred Restricted Stock Units ( 1 ) 06/08/2026 A 7 ( 2 ) ( 3 ) ( 3 ) Class A Common Stock 7 $ 0 4,969 ( 4 ) D Deferred Restricted Stock Units ( 1 ) 06/08/2026 A 4 ( 2 ) ( 5 ) ( 5 ) Class A Common Stock 4 $ 0 2,809 ( 4 ) D Restricted Stock Units ( 1 ) 06/08/2026 A 3 ( 6 ) ( 7 ) ( 7 ) Class A Common Stock 3 $ 0 2,209 ( 8 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other SUSMAN SALLY C/O UL SOLUTIONS INC. 333 PFINGSTEN ROAD NORTHBROOK, IL60062 X Signatures /s/ Ryan Robinson, Attorney-in-Fact 06/10/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit ("RSU") and deferred restricted stock unit ("DRSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock. ( 2 )Represents accrual of dividend equivalent rights on DRSUs held by the Reporting Person. ( 3 )The dividend equivalent rights accrued on DRSUs held by the Reporting Person and vest proportionately with the DRSUs to which they relate. The DRSUs vested on May 1, 2025, and will be settled in shares of the Issuer's Class A Common Stock either (i) on a date selected by the Reporting Person pursuant to the Issuer's Non-Employee Director Deferred Compensation Plan (the "Plan"), or (ii) as otherwise provided by the Plan. ( 4 )Includes DRSUs and all dividend equivalent rights that have accrued on such DRSUs to date. ( 5 )The dividend equivalent rights accrued on DRSUs held by the Reporting Person and vest proportionately with the DRSUs to which they relate. The DRSUs vested on May 20, 2026, and will be settled in shares of the Issuer's Class A Common Stock either (i) on a date selected by the Reporting Person pursuant to the Issuer's Plan, or (ii) as otherwise provided by the Plan. ( 6 )Represents accrual of dividend equivalent rights on RSUs held by the Reporting Person. ( 7 )The dividend equivalent rights accrued on RSUs held by the Reporting Person and vest proportionately with the RSUs to which they relate. The RSUs vest on the earlier of May 20, 2027, or the date of the annual meeting following the May 20, 2026, grant date. ( 8 )Includes RSUs and all dividend equivalent rights that have accrued on such RSUs to date.

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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