Chimerix Investor Conference Presentation Deck

Overall Survival 20 Survival Probability 1.0 0.8 0.6 0.4 0.2 0.0 0 n 50 OS overall survival 3 41 () 6 32 9 28 12 Months from First Dose 24 12 Months 24 Months 15 OS (95% CI) 18 18 14 57% (41-70) 35% (21 - 49) 21 11 24 9

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