Borr Drilling reports 4 deaths in Prospector 5 incident

Borr Drilling has engaged a classification society for an independent investigation as search efforts continue for one missing individual.

Available on EDGAR 11/02/2026 - 06:45 AM EST Accepted by SEC EDGAR 11/02/2026 - 06:44 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Borr Drilling Limited updated search-and-rescue efforts and the investigation into the Prospector 5 incident offshore Gabon. The company said a fourth individual's body had been located; all four located individuals have been recovered and are being transported to Port Gentil, while one individual remains unaccounted for. The company also reported that four individuals have lost their lives.

Borr Drilling engaged a classification society with extensive offshore and maritime incident-investigation experience to conduct an independent investigation. The company said all possible causes of a catastrophic loss of stability are in scope and that the investigation will consider all evidence before a final determination.

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0 major · 1 point

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Positive

• None.

Negative

• Moderate pointProspector 5 incident: four individuals lost their lives; one remains missing.

Key Figures

Individuals whose deaths were reported: 4 individuals Individuals recovered: 4 individuals Individuals unaccounted for: 1 individual

3 metrics

Individuals whose deaths were reported 4 individuals Prospector 5 incident update

Individuals recovered 4 individuals Prospector 5 incident update

Individuals unaccounted for 1 individual Prospector 5 incident update

Key Terms

classification society, root cause, loss of stability

3 terms

classification society technical

"engaged a globally recognized classification society"

root cause technical

"determine the root cause"

loss of stability technical

"all possible causes of a catastrophic loss of stability are in scope"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What is the latest update on BORR's Prospector 5 incident?

All four located individuals have been recovered and are being transported to Port Gentil, Gabon; one individual remains unaccounted for. Borr Drilling also reported that four individuals have lost their lives.

Who is investigating the BORR Prospector 5 incident?

Borr Drilling engaged a globally recognized classification society with extensive experience in offshore and maritime incident investigations to conduct an independent investigation. The company said it will cooperate fully and transparently with relevant authorities and other parties involved.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

November 2, 2026

Commission File Number 001-39007

Borr Drilling Limited

S. E. Pearman Building

2nd Floor 9 Par-la-Ville Road

Hamilton HM11

Bermuda

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K on paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Exhibits

99.1 Press Release

 SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	BORR DRILLING LIMITED
Date: November 2, 2026	By:	/s/ Mi Hong Yoon
	Name:	Mi Hong Yoon
	Title:	Director

Exhibit 99.1

PRESS RELEASE  

Borr Drilling Limited - Prospector 5 Rig Incident Update - November 2, 2026

Hamilton, Bermuda, November 2, 2026 - Borr Drilling Limited (NYSE and OSE: BORR) (“Borr Drilling” or the “Company”) provides an update on the Prospector 5 incident offshore Gabon, first announced by the Company on October 25, 2026.

As part of the ongoing search and rescue operations, the body of a fourth individual has been located. All four located individuals have been recovered and are in the process of being transported to Port Gentil, Gabon. Search efforts continue for the remaining individual who is still unaccounted for.

The Company has engaged a globally recognized classification society with extensive experience in offshore and maritime incident investigations to conduct an independent investigation into the incident. The Company remains committed to an independent and objective process to determine the root cause. The Company will continue to cooperate fully and transparently with the relevant authorities and other parties involved.

Bruno Morand, CEO of Borr Drilling, commented:

“This continues to be an incredibly difficult time for everyone involved, and above all, for the families and loved ones of the four individuals who have lost their lives and for the individual who remains missing. Our priority remains staying close to them and our employees, providing all the care and support we can.

It is also critically important to establish a thorough and objective understanding of what occurred and all possible causes of a catastrophic loss of stability are in scope and will be considered. The investigation will fully consider all evidence and assess every potential cause before reaching a final determination.”

Media enquiries:

+44 (0)1224 900626

ir@borrdrilling.com

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 3.9 KB