shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Other Events. As previously announced, on February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), and Transocean Ltd., a Swiss corporation (“ Transocean ”), 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 “ Valar…

Other Events. As previously announced, on February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), and Transocean Ltd., a Swiss corporation (“ Transocean ”), 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 “ Valar…

Other Events. As previously announced, on February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), and Transocean Ltd., a Swiss corporation (“ Transocean ”), 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 “ Valar…

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Other Events. Certain Transaction Approvals As previously announced, on February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), and Transocean Ltd., a Swiss corporation (“ Transocean ”), 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…

Other Events. As previously announced, on February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”), and Transocean Ltd., a Swiss corporation (“ Transocean ”), 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 “ Valar…

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Entry into a Material Definitive Agreement Business Combination Agreement On February 9, 2026, Valaris Limited, an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”) and Transocean Ltd., a Swiss corporation (“ Transocean ”) (Transocean and Valaris, collectively, the “ Parties ” and each, a “ Party ”), entered into a Business Combination Agreement (the “ Agreement ”) providing for the combination of the two Parties (the “ Business Combination ”). Pursuant t…

Other Events. On February 9, 2026, Valaris Limited , an exempted company limited by shares incorporated under the laws of Bermuda (“ Valaris ”) and Transocean Ltd., a Swiss corporation (“ Transocean ”) (Valaris and Transocean, collectively, the “ Parties ” and each, a “ Party ”), issued a joint press release announcing the entry into a Business Combination Agreement (the “ Agreement ”), dated as of February 9, 2026, between the Parties, providing for the combination of the two Parties (the “…

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Director — James W. Swent III: The filing reports the resignation of a single director, which is a departure from the board but typically carries lower materiality than the departure of a principal officer like a CEO or CFO.

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Director — Deepak Munganahalli: A director resigned for personal reasons without any reported disagreement, representing a standard board departure rather than a senior executive loss.

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Principal Accounting Officer — Melissa Barron: The filing announces the internal promotion of Melissa Barron to Principal Accounting Officer and the role expansion of Darin Gibbins, with no indication of a sudden executive departure or termination.

shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, except as shall be expressly set forth by specific reference in such filing. 2

Entry into a Material Definitive Agreement. Indenture and Additional Notes On August 21, 2023, Valaris Limited (the “Company”) and Valaris Finance Company LLC (“Valaris Finance” and, together with the Company, the “Issuers”) issued $400 million aggregate principal amount of additional 8.375% Senior Secured Second Lien Notes due 2030 (the “Additional Notes”) in a private placement (the “Offering”) conducted pursuant to Rule 144A and Regulation S under the Securities Act of 1933, as amended (th…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth in