SCHEDULE 13G/A 0002000949 XXXXXXXX LIVE 1 Class A Common Stock, par value $0.001 per share 12/31/2025 0001901440 UL Solutions Inc. 903731107 333 Pfingsten Rd. Northbrook IL 60062 Rule 13d-1(d) ULSE Inc. DE 0 123755000 0 123755000 123755000 N 61.6 CO The amounts reported in Items 6, 8 and 9 reflect 123,755,000 shares of Class B common stock held directly by ULSE Inc., which are convertible at any time at the option of the holder into Class A common stock on a one-for-one basis. The percent of Class A common stock reported in Item 11 is based on 77,257,235 shares of Class A common stock outstanding as of December 19, 2025, based on information in the Issuer's prospectus supplement on Form 424B7 filed with the Securities and Exchange Commission (the "SEC") on December 5, 2025 and information from the Issuer, plus 123,755,000 shares of Class A common stock issuable upon the conversion of Class B common stock. Underwriters Laboratories Inc. DE 0 123755000 0 123755000 123755000 N 61.6 CO The amounts reported in Items 6, 8 and 9 reflect 123,755,000 shares of Class B common stock held directly by ULSE Inc., which are convertible at any time at the option of the holder into Class A common stock on a one-for-one basis. The percent of Class A common stock reported in Item 11 is based on 77,257,235 shares of Class A common stock outstanding as of December 19, 2025, based on information in the Issuer's prospectus supplement on Form 424B7 filed with the Securities and Exchange Commission (the "SEC") on December 5, 2025 and information from the Issuer, plus 123,755,000 shares of Class A common stock issuable upon the conversion of Class B common stock. UL Solutions Inc. 333 Pfingsten Rd., Northbrook, Illinois, 60062 This statement is filed by the following (each hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons"): (i) ULSE Inc., a Delaware nonprofit nonstock corporation, which directly holds Class B common stock; and (ii) Underwriters Laboratories Inc., a Delaware charitable nonstock corporation, which is the sole member of ULSE Inc. ULSE Inc. is managed by a board of directors consisting of Beth Brooke, Philip S. Khoury, Jeffrey M. Marootian, James M. Shannon, Elisabeth Torstad and Joel R. Wittenberg, none of whom, acting individually, has voting control or investment discretion with respect to the securities owned by ULSE Inc. Underwriters Laboratories Inc. is the sole member of ULSE Inc. and is managed by a board of trustees consisting of James P. Dollive, James J. Hudgens, Kathleen E. Jacobs, Richard P. Owen, Darryll J. Pines, James M. Shannon, Elisabeth Torstad, Ian A. Waitz and George A. Williams, none of whom, acting individually, has voting control or investment discretion with respect to the securities owned by ULSE Inc. The Joint Filing Agreement among the Reporting Persons to file this Schedule 13G jointly in accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), is filed as Exhibit A to the original Schedule 13G filed November 8, 2024. 1603 Orrington Ave, Suite 2000, Evanston, Illinois 60201 See Item 4 of each of the cover pages. Y See Item 9 of each of the cover pages. See Item 11 of each of the cover pages. See Item 5 of each of the cover pages. See Item 6 of each of the cover pages. See Item 7 of each of the cover pages. See Item 8 of each of the cover pages. Y Y Y Y Y Y ULSE Inc. /s/ Doris Concepcion 02/10/2026 Underwriters Laboratories Inc. /s/ D. Michael Murray 02/10/2026