Steven C. Gilman, Ph.D. served as a Class I director of Akebia Therapeutics' Board of Directors and resigned from the Board effective April 1, 2026. His resignation was not the result of any disagreement with the Company on any matter relating to its operations, policies or practices. During 2025 and into 2026 through the date of his resignation, Dr. Gilman served on the Company's Compensation Committee and its Research & Development Committee.