X0206 3 2017-06-13 1 0001300699 Athenex, Inc. ATNX 0001316746 Riehle J Nick C/O ATHENEX, INC., 1001 MAIN STREET, SUITE 600 BUFFALO NY 14203 0 1 0 0 Chief Financial Officer Exhibit List: Exhibit 24.1 - Power of Attorney /s/ Teresa Bair, attorney-in-fact 2017-06-13