Fidelis Insurance Holdings Ltd

Item 16B. Code of Conduct

We have adopted a Code of Ethics and Conduct (the “Code of Conduct”) that is applicable to all of our employees (including our senior managers) and our directors. The Code of Conduct is available, free of charge, on our website www.fidelisinsurance.com. Our Board is responsible for overseeing the Code of Conduct and is required to approve any waivers of the Code of Conduct applicable to any director or senior manager. The Board reviewed the Code of Conduct at its meeting in February 2026 and approved minor amendments thereto, including the addition of a targeted AI section and certain presentational enhancements. There have been no material amendments and no waivers granted since the Code of Conduct was initially adopted in June 2023. See Exhibit 11.1 to this report for a copy of the Code of Conduct as approved by the Board in February 2026. No information contained on the Group’s website is intended to be included as part of, or incorporated by reference into, this report.