Current Report · Items 7.01, 9.01 · 8-K

Transocean LTD.

RIGNYSEEQUITYCurrent

Regulation FD Disclosure

Filed Jun 16, 2026Accepted Jun 16, 2026, 5:06 PM EDTCIK 1451505Accession 0001451505-26-000052

Company context

Transocean is a leading international provider of offshore contract drilling services for oil and gas wells. The Company specializes in technically demanding sectors of the global offshore drilling business with a particular focus on ultra-deepwater and harsh environment drilling services and operates the highest specification floating offshore drilling fleet in the world. Transocean owns or has partial ownership interests in and operates a fleet of 27 mobile offshore drilling units, consisting of 20 ultra-deepwater floaters and seven harsh environment floaters.

Current securities

RIGNYSE · EQUITY · Current

Recent company filings

Disclosure sections

Items 7.01, 9.01

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Item 7.01Item 7.01 - Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure. Transocean Ltd. (NYSE: RIG) (“Transocean”) today announced contract awards for two of its harsh environment semisubmersibles. In aggregate, the fixtures represent approximately $185 million in firm contract backlog. The Transocean Norge was awarded a five-well contract with Harbour Energy in Norway. The estimated 300 days of work is expected to commence in the first quarter of 2028 in direct continuation of the rig’s current program and contribute approximately $149 million in backlog, excluding mobilization and additional services. The contract also includes three one-well options. The Transocean Equinox was awarded a two-well contract with Santos in Australia. The estimated 90 days of work is expected to commence in the second quarter of 2027 and contribute approximately $36 million in backlog, excluding mobilization and additional services. The contract also includes five one-well options. A copy of the press release announcing the fixtures referred to above is attached hereto and incorporated herein by reference as Exhibit 99.1.

Filed exhibits (1)

EX-99.1 (by filename) rig-20260616xex99d1.htm

EX-99.1 2 rig-20260616xex99d1.htm EX-99.1  EXHIBIT 99.1 Transocean Ltd. Announces Contract Awards Totaling $185 Million STEINHAUSEN, Switzerland, June 16, 2026 - Transocean Ltd. (NYSE: RIG) (“Transocean”) today announced contract awards for two of its harsh environment semisubmersibles. In aggregate, the fixtures represent approximately $185 million in firm contract backlog. The Transocean Norge was awarded a five-well contract with Harbour Energy in Norway. The estimated 300 days of work is expected to commence in the first quarter of 2028 in direct continuation of the rig’s current program and contribute approximately $149 million in backlog, excluding mobilization and additional services. The contract also includes three one-well options. The Transocean Equinox was awarded a two-well contract with Santos in Australia. The estimated 90 days of work is expected to commence in the second quarter of 2027 and contribute approximately $36 million in backlog, excluding mobilization and additional services. The contract also includes five one-well options. About Transocean Transocean is a leading international provider of offshore contract drilling ser…

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