aTyr Pharma (Nasdaq: LIFE) is a biotherapeutics company engaged in the discovery and development of innovative medicines based on novel biological pathways. aTyr’s research and development efforts are concentrated on a newly discovered area of biology, the extracellular functionality and signaling pathways of tRNA synthetases. aTyr has built a global intellectual property estate directed to a potential pipeline of protein compositions derived from 20 tRNA synthetase genes and their extracellular targets. aTyr’s primary focus is efzofitimod (ATYR1923), a clinical-stage product candidate which binds to the neuropilin-2 receptor and is designed to down-regulate immune engagement in severe inflammatory lung diseases. For more information, please visit http://www.atyrpharma.com. The Company was founded by Professors Paul Schimmel, Ph.D., and Xiang-Lei Yang, Ph.D., two leading aminoacyl tRNA synthetase scientists at The Scripps Research Institute.