Company: RIG
Filing Date: 2025-04-01
Form Type: DEF 14A
Source: 0001451505-25-000029
Chunk: 85

Company: Transocean Ltd.
Filing Date: 2025-04-01
Form: DEF 14A
Chunk 85
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 on select business processes to the extent that internal controls are impacted. The Audit Committee met nine times in 2024 with regular executive sessions with EY, the Chief Compliance Officer, the chief audit executive and other members of management.

| ​ | MEMBERS OF THE AUDIT COMMITTEE    |
| ​ | ​                                 |
| ​ | Vanessa C.L. Chang, Chair         
 Glyn A. BarkerSamuel J. Merksamer |

Transocean 2025 P-87 Proxy Statement

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS Listed below are the only persons who, to the knowledge of the Company, may be deemed to be beneficial owners, as of March 6, 2025, of more than 5% of the Company’s shares.

| ​​​                                                                                                                                                                            | ​ |                  ​ |   | ​ | ​ | ​                   | ​ |   |
| NAME AND ADDRESS OF BENEFICIAL OWNER                                                                                                                                           |   |             SHARES 
 BENEFICIALLY OWNED |   |   |   | PERCENT OF CLASS(1) |   |   |
| Perestroika AS, Perestroika (Cyprus) Ltd.(2)   Statminister Michelsensvei 38   5230 Paradis, NorwayFrederik W. Mohn(2)    Statminister Michelsensvei 38   5230 Paradis, Norway | ​ |        ​91,382,156 | ​ |   | ​ | 10.35%              |   | ​ |
| BlackRock, Inc.(3)   50 Hudson Yards   New York, NY 10001                                                                                                                      | ​ |         70,506,279 | ​ |   | ​ | 7.98%               |   | ​ |
| The Vanguard Group(4)   100 Vanguard Blvd.   Malvern, PA 19355                                                                                                                 | ​ |         68,551,328 | ​ |   | ​ | 7.76%               |   | ​ |
| PRIMECAP Management Co.(5)   177 E. Colorado Blvd.   11th Floor   Pasadena, CA 91105                                                                                           | ​ |         50,699,389 | ​ |   | ​ | 5.74%               |   | ​ |

(1) Unless otherwise required by applicable rules, the percentage indicated is based upon 883,261,456 Company shares deemed to be outstanding as of March