Company: RIG
Filing Date: 2025-09-26
Form Type: 424B5
Source: 0001451505-25-000102
Chunk: 61

Company: Transocean Ltd.
Filing Date: 2025-09-26
Form: 424B5
Chunk 61
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 of the date of the particular statement. We expressly disclaim any obligation or undertaking to release publicly any updates or revisions to any forward-looking statement to reflect any change in our expectations or beliefs with regard to the statement or any change in events, conditions or circumstances on which any forward-looking statement is based, except as required by law.

iv

ENFORCEABILITY OF CIVIL LIABILITIES AGAINST FOREIGN PERSONS Transocean Inc. is a Cayman Islands exempted company, and Transocean Ltd. is a Swiss corporation. Certain of their respective officers and directors may be residents of various jurisdictions outside the United States. All or a substantial portion of the assets of Transocean Inc. and Transocean Ltd. and the assets of these persons may be located outside the United States. As a result, it may be difficult for investors to effect service of process within the United States upon these persons or to enforce any U.S. court judgment obtained against Transocean Inc., Transocean Ltd. or these persons, including judgments in actions predicated upon the civil liability provisions of U.S. federal securities laws. Each of Transocean Inc. and Transocean Ltd. has agreed to be served with process with respect to actions based on offers and sales of its securities. To bring a claim against either, you may serve Transocean Ltd.’s Corporate Secretary, c/o Transocean Offshore Deepwater Drilling Inc., 1414 Enclave Parkway, Houston, Texas 77077, the U.S. agent appointed for such purpose. Carey Olsen, Transocean Inc.’s Cayman Islands legal counsel, has advised Transocean Inc. that it is uncertain that Cayman Islands courts would enforce (1) judgments of U.S. courts obtained in actions against Transocean Inc. or other persons that are predicated upon the civil liability provisions of the U.S. federal securities laws or (2) original actions brought against Transocean Inc. or other persons predicated upon the Securities Act. There is no treaty between the United States and the Cayman Islands providing for enforcement of judgments, and there are grounds upon which Cayman Islands courts may not enforce judgments of U.S. courts. In general, Cayman Islands courts would not enforce any remedies if they are deemed to be penalties, fines, taxes or similar remedies. Homburger AG, Transocean Ltd.’s Swiss legal counsel, has advised Transocean Ltd. that it is uncertain that Swiss courts would enforce (1) judgments of U