Leading Microbiome Researcher Dr. Eric Pamer  

Joins Diversigen’s Scientific Advisory Board

PAUL, MN, January 25, 2021 – Diversigen, Inc., a subsidiary of OraSure Technologies Inc.  (NASDAQ: OSUR), today announced that Eric Pamer, M.D., Professor of Medicine, Section of  Infectious Diseases and Global Health and director of the Duchossois Family Institute at the University of  Chicago, has joined its scientific advisory board. Dr. Pamer is an internationally recognized physician and  scientist in the microbiome field. His research focuses on the role of the microbiome in immune defense  and disease resistance. 

“We are thrilled to have Dr. Pamer joining Diversigen’s scientific advisory board.” said Joy Nassif, Vice  President, Services at Diversigen Inc. “Establishing a world-class scientific advisory board is just one of  many ways Diversigen is bringing the best minds of academia and industry together to accelerate the  microbiome industry. Dr. Pamer’s guidance and insights will be invaluable in evolving our multiomics  vision.” 

“Diversigen has built a world-class microbiome analysis platform, which has enabled scientists to conduct  experiments and analyses to further the microbiome field,” said Dr. Pamer. “I am very excited to  collaborate with the Diversigen team to leverage my experience and help shape new approaches as they  continue to expand their multiomic solution offerings.” 

Dr. Pamer joined the University of Chicago from Memorial Sloan Kettering Cancer Center in New York  City, where he served as head of the Division of Subspecialty Medicine from 2011 to 2018 and director of  the Center for Microbes, Inflammation and Cancer from 2010 to 2019. Board certified in internal  medicine and infectious diseases, Pamer is a member of the American Association of Physicians and of  the Bill and Melinda Gates Foundation’s Global Health Scientific Advisory Committee and a Fellow of  the Infectious Diseases Society of America. He has published more than 200 articles and book chapters.  

About Diversigen Inc. 

Diversigen, Inc. is a subsidiary of OraSure Technologies Inc. Diversigen and CoreBiome, Inc. (also an  OraSure subsidiary), came together to create one company under the Diversigen brand that is powering  microbiome discovery through sequencing, analysis, and consulting services geared toward the study of the  microbiome of living organisms and environments. Diversigen provides consultative end-to-end solutions 

for sequencing, bioinformatics, and statistical analysis for the study of the microbiome of living organisms  and environments. Diversigen, Inc. operates a state-of-the-art CLIA accredited laboratory deploying a  variety of techniques to extract high quality nucleic acids from a multitude of sample types for subsequent  metagenomics analysis. Diversigen’s flexible sequencing and computing capacity, combined with ongoing  improvements in analytic tools and their applications, allows for customized project-specific strategies. For  more information, visit www.diversigen.com or contact info@diversigen.com. 

About OraSure Technologies 

OraSure Technologies empowers the global community to improve health and wellness by providing access  to accurate, essential information. OraSure, together with its wholly-owned subsidiaries, DNA Genotek,  Diversigen, and Novosanis, provides its customers with end-to-end solutions that encompass tools, services  and diagnostics. The OraSure family of companies is a leader in the development, manufacture, and  distribution of rapid diagnostic tests, sample collection and stabilization devices, and molecular services  solutions designed to discover and detect critical medical conditions. OraSure’s portfolio of products is sold  globally to clinical laboratories, hospitals, physician’s offices, clinics, public health and community-based  organizations, research institutions, government agencies, pharma, commercial entities and direct to  consumers. For more information, visit www.orasure.com.