Bluejay IPO Presentation Deck

First Product: IL-6 for Sepsis Triage Measuring IL-6 could help medical professionals make earlier and better triage/treatment decisions Interleukin-6 (IL-6) is a Principal Inflammatory Cytokine Released During Trauma or Infection IL-6 is an established marker of immune system activation Elevated in response to infection such as COVID-19 and sepsis Also important in autoimmune disorders, such as rheumatoid arthritis (RA), cardiovascular diseases and all cancers bluejay *RUO-Research Use Only IL-6 needs to be measured quickly and reliably It appears early on as a "first responder" during infection or inflammation Reliably measuring IL-6 levels could help medical professionals triage, diagnose and monitor disease progression Current tests have received Emergency Use Authorization (EUA) for use in COVID-19 sepsis/RUO* for arthritis Beckman-Coulter, Roche and Siemens (EUA: COVID-sepsis) and Toray (RUO: arthritis) Tests are run in a central lab setting Estimated time from blood draw to results: 8-48hr IL-6 stability and turn-around time has limited adoption and utilization Copyright (02021 Bluejay Diagnostics, Inc. All rights reserved in all slides | October 2021 11

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