JOINT FILING AGREEMENTJoint Filing Agreement • June 7th, 2013 • Bay City Capital LLC • Pharmaceutical preparations
Contract Type FiledJune 7th, 2013 Company IndustryEach of Bay City Capital LLC, Bay City Capital Management V LLC, Bay City Capital Fund V, L.P. and Bay City Capital Fund V Co-Investment Fund, L.P. hereby express its agreement that the attached Schedule 13D (and any amendments thereto) relating to the securities of Epizyme, Inc. is filed on behalf of each of them.