RIG: Other company developments

Item 8.01 Other Events. As previously announced, on February 9, 2026, Transocean Ltd., a Swiss corporation (“ Transocean ”), and Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), entered into a Business Combination Agreement (the “ Agreement ”). The Agreement provides that, among other things and upon the terms and subject to the conditions thereof, Transocean will acquire all of the issued and outstanding common shares of Valaris (the “ Valaris Shares ”) in exchange for 15.235 shares of Transocean per Valaris Share (the “ Business Combination ”). On September 30, 2026, Transocean and Valaris received notification from the Antitrust Division of the U.S. Department of Justice that the agency has closed its investigation under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (“ HSR Ac t”). The waiting period under the HSR Act has expired. Transocean and Valaris currently anticipate that the closing of the Business Combination will occur in the fourth quarter of 2026, subject to the satisfaction or waiver of the remaining conditions to closing set forth in the Agreement. Cautionary Statement Regarding Forward-Looking Statements This communication includes certain “forward-looking statements” within the meaning of the federal securities laws, including, but not limited to, those statements related to the proposed transaction, including financial estimates and statements as to the expected timing, completion and effects of the proposed transaction. These forward-looking statements are generally identified by the words “aim,” “anticipate,” “assume,” “believe,” “contemplate,” “continue,” “project,” “might,” “could,” “expect,” “estimate,” “intend,” “strategy,” “plan,” “predict,” “potential,” “may,”