144 0001164688 XXXXXXXX LIVE 0000314808 Valaris Ltd 001-08097 Clarendon House, 2 Church Street Hamilton D0 D0 HM 11 44-02076594660 Oak Hill Advisors, L.P. (1) Shareholder Common Shares Morgan Stanley & Co. LLC

1585 Broadway New York NY 10036

4200000 320166000.00 73987672 08/07/2023 NYSE Common Shares 04/30/2021 See Remark 2 See Remark 2 N 4200000 04/30/2021 See Remark 2 Y (1) Oak Hill Advisors, L.P., a Delaware limited partnership ("OHA"), acts (directly or through an affiliate) as the investment adviser to certain funds and client accounts (together, the "Oak Hill Advisory Entities"). The common shares covered by this Form 144 are held by the Oak Hill Advisory Entities. Joseph Goldschmid is an employee of OHA and a director of the Issuer. (2) The shares reported herein were originally acquired from the Issuer pursuant to the Bankruptcy Court the Debtor's Fourth Amended Joint Chapter 11 Plan of Reorganization pursuant to Chapter 11 of the Bankruptcy Code (as amended, modified or supplemented from time to time) as disclosed in the Schedule 13D filed by OHA with the Securities and Exchange Commission on June 25, 2021. 08/07/2023 Oak Hill Advisors L.P., By: /s/ Gregory S. Rubin, Authorized Signatory