Rostock, March 18^th, 2021 Dear customers, we are pleased to inform you about an important change of our gDNA-, cfDNA-, cfDNA in plasma-, plasma- and FFPE-products. The results of our stability studies according to the requirements of DIN EN ISO 23640:2015-12 (shelf life testing of reagents for in vitro diagnostic use) allow us to extend the shelf life of product groups mentioned above. If you have any questions about the shelf life of any of your already purchased products, please feel free to contact us (info@sens-id.com). Of course, you will also find the updated certificates of analysis on our webpage (https://www.sens-id.com/). Certainly, the shelf life of 24 months applies also to future new developments or customised products for your needs. Please do not hesitate to contact us if you have any questions or feedback. We look forward to discuss your ideas and requirements with you and are always available for you. Download this press release:

Deutsch (German) English (Englisch) About SensID – Bringing Precision to MDx SensID, headquartered in Rostock, Germany, is specialized in the development, manufacturing and marketing of reference materials and quality controls for molecular, DNA based diagnostics. We offer to our customers reference materials and quality controls precisely characterized and manufactured in compliance with the highest standards. Our continuously growing product portfolio offers ideal solution options for your R&D programs as well as assay and instrument validation requirements. They can serve as external controls, support accreditation, ring trials, conformity assessment, and should be a part of your diagnostic kits. For more information, please visit www.sens-id.com Contact Andreas Bollmann Regulatory Affairs Manager SensID GmbH Schillingallee 68 18057 Rostock, Germany