On April 7, 2023, J. Roger Moody, Jr. notified Talis Biomedical Corporation that he will step down as the Company's Chief Financial Officer, effective as of the close of business on April 21, 2023, to accept a new role as chief executive officer of another public company. Mr. Moody's resignation is not as a result of any disagreement with the Company on any matter relating to its operations, policies, or practices, or to any issues regarding its accounting policies or practices. The Board of Directors has appointed Rebecca Markovich to serve as interim Chief Financial Officer of the Company, effective as of the close of business on April 21, 2023.

The Company intends to conduct an executive search for a permanent chief financial officer. Prior to her appointment as interim Chief Financial Officer, Ms. Markovich, 50, served as the Company's Vice President, Controller from May 2022 to present and as the Company's Vice President, Accounting from January 2022 to May 2022. Prior to joining the Company, Ms. Markovich was the Chief Financial Officer, Vice President and Corporate Controller of ApiJect, a private equity-backed start-up company focused on injectable drug delivery systems from 2021 to January 2022.

From 2019 to 2021, Ms. Markovich was the Vice President, Global Controller at Vyaire, a private equity-backed global respiratory company previously spunout from Becton Dickinson. Prior to Vyaire, Ms. Markovich was the Vice President, Chief Accounting Officer and Controller for Cars.com, a public company and leading digital marketplace and solutions provider for the automotive industry that connects car shoppers with sellers. Ms. Markovich is a graduate of Indiana University where she obtained a B.S. degree in Accounting from the Kelley School of Business.

She is also an Illinois Certified Public Accountant.