ERYTECH Pharma (Euronext Paris: ERYP – Nasdaq: ERYP), a clinical-stage biopharmaceutical company developing innovative therapies by encapsulating therapeutic drug substances inside red blood cells, today announced that it will host its 2018 first quarter conference call and webcast on Tuesday, May 15, 2018, at 2:30 PM CEST/8:30 AM EST to discuss operational highlights.