Bluejay Investor Presentation Deck

SymphonyTM System Commercial Advantages¹ v. Other Clinical Analyzer Systems Advantages Near Patient Test System Size Sample Type Separate Sample Processing Step Total Turnaround Time Requires Dedicated Personnel* System/Infrastructure Cost NPV2 for IL-6 Assay *(phlebotomist/MedTech) bluejay DIAGNOSTICS Bluejay Symphony™ Near patient Desktop Whole blood No ~20 minutes No $ 98% Beckman Coulter Central Lab Very Large Serum/plasma Yes 4-48hr³ Source: 1. Bluejay Diagnostics market research. 2. NPV = Negative Predictive Value. 3. Bluejay/Industry information, pending the location of the testing lab. 4. from FDA Emergency Use Authorization company filings The Symphony™ System and SymphonyTM Cartridge have not been cleared or approved by the U.S. FDA Yes $$$ 78.6%4 Siemens Central Lab Very Large Serum/plasma Yes 4-48hr³ Yes $$$ 86%4 Roche Central lab Very Large Serum/plasma Yes 4-48hr³ Yes $$$ 92.9%4 Copyright ©2023 Bluejay Diagnostics, Inc. All rights reserved in all slides | June 2023 10

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