Seadrill Limited — Delisting Announcement 2024

Jul 12, 2024

Seadrill Provides Further Shareholder Information on its Voluntary Delisting from the Oslo Stock Exchange

Seadrill Provides Further Shareholder Information on its Voluntary Delisting from the Oslo Stock Exchange

HAMILTON, Bermuda, July 12, 2024—Seadrill Limited ("Seadrill" or the "Company") (NYSE & OSE: SDRL) today provided additional shareholder resources regarding the upcoming delisting of the Company’s shares from the Oslo Stock Exchange (OSE). As previously announced, Seadrill shares will be delisted from the OSE on September 10, 2024, and the last day of trading will be September 9, 2024. The Company will maintain a single listing on the New York Stock Exchange (NYSE), consistent with efforts to simplify its business.

Investors holding shares in Seadrill that are traded at the OSE, held through the Norwegian Central Security Depository (CSD), have the option to migrate their shares to the NYSE, by registering such shares in the Depository Trust Company (DTC). Seadrill encourages shareholders who are interested in converting their shares from the OSE to the NYSE to contact their bank or broker. Shareholders are under no obligation to carry out such a conversion but are required to do so to continue trading Seadrill shares in open market transactions following delisting from the OSE.

The Company has made a shareholder FAQ available on the Investor Relations section of the Company's website, www.seadrill.com.

About Seadrill

Seadrill is setting the standard in deepwater oil and gas drilling. With its modern fleet, experienced crews, and advanced technologies, Seadrill safely, efficiently, and responsibly unlocks oil and gas resources for national, integrated, and independent oil companies. For further information, visit www.seadrill.com.

Contact

Lydia Brantley Mabry

Director of Investor Relations

ir@seadrill.com