X0202 SCHEDULE 13D/A 0000902664-21-003279 0001164688 XXXXXXXX LIVE 3 Common Shares, $0.01 par value per share 06/04/2026 false 0000314808 G9460G101 Valaris Ltd

CLARENDON HOUSE 2 CHURCH STREET HAMILTON D0 HM 11

William H. Bohnsack, Jr. (212) 884-0384 Oak Hill Advisors, L.P., One Vanderbilt Avenue - 16th Floor New York NY 10017 Adriana Schwartz 212-574-1200 Seward & Kissel LLP One Battery Park Plaza New York NY 10004 0001164688 N OAK HILL ADVISORS LP AF N DE 0.00 4095067.00 0.00 4095067.00 4095067.00 N 5.91 IA PN As described in Item 6 of Amendment No. 2, Joseph Goldschmid, an employee of the Reporting Person, holds 5,358 unvested restricted stock units for the benefit of certain clients of OHA. Common Shares, $0.01 par value per share Valaris Ltd CLARENDON HOUSE 2 CHURCH STREET HAMILTON D0 HM 11 The following constitutes Amendment No. 3 ("Amendment No. 3") to the Schedule 13D filed with the Securities and Exchange Commission on June 25, 2021 (as amended, the "Schedule 13D"). This Amendment No. 3 amends and restates Items 5(a)-(c) of the Schedule 13D as set forth below. Capitalized terms used herein and not otherwise defined in this Amendment No. 3 have the meanings set forth in the Schedule 13D. See rows (11) and (13) of the cover page to this Schedule 13D for the aggregate number of Shares and percentages of the Shares beneficially owned by the Reporting Person. The percentage used in this Schedule 13D is calculated based upon 69,251,780 Shares outstanding as of May 13, 2026, as reported in the Issuer's Preliminary Proxy Statement on Schedule 14A, filed with the SEC on May 19, 2026. See rows (7) through (10) of the cover page to this Schedule 13D for the number of Shares as to which the Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition. The transactions in the Shares effected by the Reporting Person during the past sixty (60) days, which were all in the open market, are set forth on Schedule 1 attached hereto and incorporated by reference herein. OAK HILL ADVISORS LP /s/ William H. Bohnsack, Jr. 06/08/2026