<SEC-DOCUMENT>0001451505-21-000031-index.html : 20210407
<SEC-HEADER>0001451505-21-000031.hdr.sgml : 20210407
<ACCEPTANCE-DATETIME>20210407163320
ACCESSION NUMBER:		0001451505-21-000031
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210407
DATE AS OF CHANGE:		20210407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Transocean Ltd.
		CENTRAL INDEX KEY:			0001451505
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980599916
		STATE OF INCORPORATION:			V8
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38373
		FILM NUMBER:		21812514

	BUSINESS ADDRESS:	
		STREET 1:		TURMSTRASSE 30
		CITY:			STEINHAUSEN
		STATE:			V8
		ZIP:			6312
		BUSINESS PHONE:		41 41 749 0500

	MAIL ADDRESS:	
		STREET 1:		TURMSTRASSE 30
		CITY:			STEINHAUSEN
		STATE:			V8
		ZIP:			6312
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>rig-20210407xdefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: rig-20210407xdefa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>rig-20210407xdefa14a001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: rig-20210407xdefa14a001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>rig-20210407xdefa14a002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: rig-20210407xdefa14a002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>rig-20210407xdefa14a003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: rig-20210407xdefa14a003.jpg

</DOCUMENT>
</SEC-DOCUMENT>