Company: RIG
Filing Date: 2025-04-01
Form Type: DEF 14A
Source: 0001451505-25-000029
Chunk: 11

Company: Transocean Ltd.
Filing Date: 2025-04-01
Form: DEF 14A
Chunk 11
---

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS

| ​                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| YOUR VOTE IS IMPORTANTYou may designate a proxy to vote your shares by submitting your voting instructions electronically over the internet, by calling the toll-free number or, if you requested a printed copy of the proxy materials, by completing, signing and returning by mail the proxy card you will receive in response to your request. Please review the instructions in the Notice of Internet Availability of Proxy Materials and the proxy statement.                                   |
| Shareholders who hold their shares in the name of a bank, broker or other nominee should follow the instructions provided by their bank, broker or nominee for voting their shares, including whether they may submit voting instructions by mail, telephone or over the internet.                                                                                                                                                                                                                     |
| IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE 2025 ANNUAL GENERAL MEETING TO BE HELD ON MAY 30, 2025                                                                                                                                                                                                                                                                                                                                                                          |
| Our proxy statement and 2024 Annual Report are available at www.proxyvote.com or on our website investor.deepwater.com under “Financial Reports ― Annual and Quarterly Reports.” Information contained on or accessible from our website is not incorporated by reference into this proxy statement and should not be considered a part of this report or any other filing that we make with the SEC. Furthermore, references to our website URLs are intended to be inactive textual references only. |

Transocean 2025 P-18 Proxy Statement

PROXY STATEMENT

|                                          | ​ |                                                       | ​ |              |
|                                          | ​ |                                                       | ​ |              |
| WHEN                                     | ​ | WHERE                                                 | ​ | RECORD DATE  |
| Friday, May 30, 20258:00 a.m. Swiss time | ​ | Parkhotel ZugIndustriestrasse 146302 Zug, Switzerland | ​ | May 12, 2025 |

INFORMATION ABOUT THE MEETING AND VOTING This proxy statement is furnished in connection with the solicitation of proxies by Transocean Ltd., on behalf of the Board of Directors, to be voted at our 2025 Annual General Meeting to be held on May 30, 2025, at 8:00 a.m. Swiss time, at the Parkhotel Zug, Industriestrasse 14, 6302 Zug, Switzerland. The Notice or proxy statement and form of proxy, as appropriate, are first being mailed to shareholders on or about April 1,