Bluejay Investor Presentation Deck

Current Testing Methods: Time is the Enemy Significantly longer turnaround times to get results back to patients minimizes utility for critical care Require highly trained technicians to operate Large equipment located in central lab settings ● ● SymphonyTM Transforms Care Through Rapid, Near-Patient Testing (NPT) Enables Physicians to make actionable treatment decisions earlier for patient stratification Symphony's Differentiated Features: • Faster results to actionable decisions Quantitative, lab quality results System utilizes whole blood (no pre-processing required) Mobile, near-patient system ● ●●● ●● DIAGNOSTICS Physician orders test Patient (critical care setting) Physician orders test I Patient (ICU/long- term care setting) The SymphonyTM System and Symphony Cartridge have not been cleared or approved by the U.S. FDA Blood drawn from patient Turnaround time: several hours Physician uses test results to guide treatment Blood drawn from patient Turnaround time: -20 minutes Blood sample transported to testing site Physician uses test results to guide treatment Lab results reported back to physician Sample processed near patient Sachery bluejay bluejay Sympheny SymphonyTM System Sample processed at central testing site Central Testing Lab Copyright ©2022 Bluejay Diagnostics, Inc. All rights reserved in all slides | October 2022 7

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