Adaptive Biotechnologies Corporation announced that Chad Cohen, chief financial officer, will be resigning from his role, effective on or about February 15, 2022, following the filing of Adaptive Biotechnologies' Annual Report on Form 10-K for the year ended December 31, 2021. Adaptive Biotechnologies' principal accounting officer, Kyle Piskel, will serve as interim CFO after Mr. Cohen's resignation. Adaptive Biotechnologies has initiated a search for a permanent CFO with the capabilities and qualifications to help accelerate the development and commercialization of products resulting from the insights provided by its proprietary immune medicine platform.

Mr. Cohen will continue to work with Adaptive Biotechnologies and Mr. Piskel in a consulting capacity to ensure a smooth transition.