Pappas Capital Announces the Passing of…

Positive Phase 2 Study Results Presented as Late Breaker at ICAAC

DURHAM, NC, September 11, 2013 – Chimerix, Inc. (NASDAQ: CMRX), a biopharmaceutical company developing novel, oral antivirals in areas of high unmet medical need, today announced the results from its exploratory Phase 2 Study 202 evaluating brincidofovir (CMX001) in hematopoietic cell transplant (HCT) recipients with early adenovirus (AdV) infection. Study 202 was the first trial of an antiviral agent in AdV infection. Brincidofovir (CMX001) is an investigational oral nucleotide analog lipid-conjugate that has demonstrated activity against all pathogenic families of double-stranded DNA (dsDNA) viruses, including herpesviruses, adenoviruses, and polyomaviruses.