On September 6, 2023, Chris Mitchell resigned from the Board of Directors of Definitive Healthcare Corp. which resignation became effective upon the appointment of Scott Stephenson as a member of the Board on September 6, 2023. The resignation was not the result of any disagreements with the Company relating to the Companys operations, policies or practices.

Following Mr. Mitchells resignation, on September 6, 2023, the Board appointed Scott Stephenson as a member of the Board and as a member of the Nominating and Corporate Governance Committee of the Board. Mr. Stephenson will serve as a Class III director until the Company's 2024 Annual Meeting of Stockholders and until such time as his successor is duly elected and qualified, or until his earlier death, resignation, or removal.