---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-23-000114"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2023-10-11T23:59:59+00:00"
generated_at: "2026-06-10T01:35:58.391863+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Transocean subsidiary issues $325M 8.000% Senior Secured Notes due 2028 secured by Deepwater Aquila

## Summary
- Issuer: Transocean Aquila Limited, wholly owned indirect subsidiary of Transocean Ltd.
- $325M aggregate principal, 8.000% coupon, maturity 2028; secured by Deepwater Aquila rig and related assets.
- Guaranteed jointly by Transocean Ltd., Transocean Inc., and Transocean DWA Limited on a senior basis.
- Notes offered under Rule 144A and Regulation S; not registered under the Securities Act.

## SEC filing metadata
- accession: 0001451505-23-000114
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2023-10-11T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150523000114/0001451505-23-000114-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150523000114/rig-20231011x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-23-000114
- JSON: https://secwatch.observer/filing/0001451505-23-000114.json
- Plain text: https://secwatch.observer/filing/0001451505-23-000114.txt

## Key facts
- Debt Financings
  Transocean Ltd. incurred senior notes of U.S. $325 million in aggregate principal amount of 8.000% Senior Secured Notes due 2028 at 8.000% maturing due 2028.
  - Instrument: senior notes
  - Principal: U.S. $325 million in aggregate principal amount of 8.000% Senior Secured Notes due 2028
  - Rate: 8.000%
  - Maturity: due 2028
  - Event: incurrence
  source text: On October 11, 2023, in connection with the closing of the previously announced offering by Transocean Aquila Limited (the “Issuer”), a wholly owned indirect subsidiary of Transocean Ltd. (the “Company”), of U.S. $325 million in aggregate principal amount of 8.000% Senior Secured Notes due 2028 (the “Notes”), the Issuer entered into an indenture (the “Indenture”) with the Company, Transocean Inc. (“TINC”) and Transocean DWA Limited (“TDWA” and, together with TINC and the Company, the “Guarantors”), and Truist Bank, as trustee and collateral agent.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150523000114/0001451505-23-000114-index.htm
- Debt Financings
  Transocean Ltd. amended senior notes.
  - Instrument: senior notes
  - Event: amendment
  source text: The description above does not purport to be complete and is qualified in its entirety by the Indenture filed herewith as Exhibit 4.1 to this Current Report on Form 8-K.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1451505/000145150523000114/0001451505-23-000114-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.