NEWS

Hamilton, Bermuda, June 21, 2023 – seadrill Limited ("seadrill" or the "Company") (NYSE & OSE: SDRL) today announces that it has entered into definitive sale and purchase agreements under which seadrill will sell the tender-assist units known as the West Vencedor, T-15 and T-16 (the “Tender-Assist Units”) to certain affiliates of Energy Drilling Pte. Ltd. (“Edrill”) for aggregate cash proceeds of approximately $85 million (the “Transaction”). The operations and marketing of the Tender-Assist Units are currently managed by Edrill under existing agreements. The Transaction is subject to customary closing conditions and is expected to close early Q3 2023. Upon closing of the Transaction, the Tender-Assist Units will be owned by Edrill.

This information is subject to the disclosure requirements pursuant to section 5-12 of the Norwegian Securities Trading Act.

Contact Information

For additional information, visit www.seadrill.com.

Benjamin Wiseman

Investor Relations

T: +44 (0)786 713 9312

E: benjamin.wiseman@seadrill.com

About seadrill

seadrill is a leading offshore drilling contractor utilizing advanced technology to unlock oil and gas resources for clients across harsh and benign locations around the globe. seadrill’s high-quality, technologically-advanced fleet spans all asset classes allowing its experienced crews to conduct operations across geographies, from shallow to ultra-deepwater environments.

Forward-Looking Statements

This communication includes forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. All statements other than statements of historical facts included in this communication, including those regarding the Transaction and, inter alia, closing thereof, and statements about the Company’s plans, strategies, business prospects, changes and trends in its business and the markets in which it operates are forward-looking statements. These forward-looking statements can often, but not necessarily, be identified by the use of forward-looking terminology, including the terms "assumes", "projects", "forecasts", "estimates", "expects", "anticipates", "believes", "plans", "intends", "may", "might", "will", "would", "can", "could", "should" or, in each case, their negative, or other variations or comparable terminology. These statements are based on management’s current plans, expectations, assumptions and beliefs concerning future events impacting the Company and therefore involve a number of risks, uncertainties and assumptions that could cause actual results to differ materially from those expressed or implied in the forward-looking statements, which speak only as of the date of this communication. Important factors that could cause actual results to differ materially from those in the forward-looking statements include, but are not limited to, the satisfaction of closing conditions and the timing thereof, and other important factors described from time to time in the reports filed or furnished by us with the U.S. Securities and Exchange Commission (“SEC”). Consequently, no forward-looking statement can be guaranteed. When considering these forward-looking statements, you should also keep in mind the risks described from time to time in the Company’s filings with the SEC, including its annual report on Form 20-F for the year ended December 31, 2022, filed with the SEC on April 19, 2023 (File No. 001-39327) and subsequent filings.

The Company undertakes no obligation to update any forward-looking statements to reflect events or circumstances after the date on which such statement is made or to reflect the occurrence of unanticipated events. New factors emerge from time to time, and it is not possible for us to predict all of these factors. Further, the Company cannot assess the impact of each such factors on its business or the extent to which any factor, or combination of factors, may cause actual results to be materially different from those contained in any forward-looking statement.