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            <secFileNumber>001-38373</secFileNumber>
            <issuerAddress>
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                <ns2:city>Steinhausen</ns2:city>
                <ns2:stateOrCountry>V8</ns2:stateOrCountry>
                <ns2:zipCode>6312</ns2:zipCode>
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            <issuerContactPhone>41417490500</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>RODERICK J MACKENZIE</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
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        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
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            <aggregateMarketValue>359920.00</aggregateMarketValue>
            <noOfUnitsOutstanding>875803595</noOfUnitsOutstanding>
            <approxSaleDate>12/12/2024</approxSaleDate>
            <securitiesExchangeName>NYSE</securitiesExchangeName>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>02/08/2024</acquiredDate>
            <natureOfAcquisitionTransaction>Performance Stock Units</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
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            <paymentDate>02/08/2024</paymentDate>
            <natureOfPayment>N/A</natureOfPayment>
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                <address>
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                    <ns2:city>Steinhausen</ns2:city>
                    <ns2:stateOrCountry>V8</ns2:stateOrCountry>
                    <ns2:zipCode>6312</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/22/2024</saleDate>
            <amountOfSecuritiesSold>37261</amountOfSecuritiesSold>
            <grossProceeds>163203.18</grossProceeds>
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                <address>
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                    <ns2:city>Steinhausen</ns2:city>
                    <ns2:stateOrCountry>V8</ns2:stateOrCountry>
                    <ns2:zipCode>6312</ns2:zipCode>
                </address>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>11/19/2024</saleDate>
            <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
            <grossProceeds>85800.00</grossProceeds>
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        <noticeSignature>
            <noticeDate>12/12/2024</noticeDate>
            <planAdoptionDates>
                <planAdoptionDate>11/11/2024</planAdoptionDate>
            </planAdoptionDates>
            <signature>/s/ Roderick J Mackenzie</signature>
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144
0002045694
XXXXXXXX
LIVE
0001451505
TRANSOCEAN LTD
001-38373
Turmstrasse 30
Steinhausen
V8
6312
41417490500
RODERICK J MACKENZIE
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
88000
359920.00
875803595
12/12/2024
NYSE
Common
02/08/2024
Performance Stock Units
Issuer
N
88000
02/08/2024
N/A
N
RODERICK J MACKENZIE
Turmstrasse 30
Steinhausen
V8
6312
Common
11/22/2024
37261
163203.18
RODERICK J MACKENZIE
Turmstrasse 30
Steinhausen
V8
6312
Common
11/19/2024
20000
85800.00
12/12/2024
11/11/2024
/s/ Roderick J Mackenzie