Bluejay Investor Presentation Deck

Sepsis: Time is the Enemy Earlier detection is needed to prevent patients from progressing to septic shock Sepsis Challenging to identify at risk patients in early stage since symptoms mimic many conditions HIGHEST CHANCE FOR FULL RECOVERY AT THIS STAGE ●●● O DIAGNOSTICS IL-6 biomarker levels elevate early Sepsis is a leading cause of death in the U.S. Sepsis is one of most costly conditions to treat: Septic Shock Patients rapidly deteriorate at this most dangerous stage, with >40% mortality Sources: Sepsis Alliance and The Lancet Respiratory Medicine, 2017 Vol. 5 (6) p.524-534 ~80% OF DEATHS COULD BE PREVENTED WITH RAPID DIAGNOSIS IL-6 measurement offers quick snapshot of disease progression More than 1.7m people/year get sepsis Cost to treat is more than $62B/year ~350k people die/year 3rd leading cause of death #1 cost of hospitalization in U.S. Copyright ©2023 Bluejay Diagnostics, Inc. All rights reserved in all slides | June 2023 6

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