X0206 3 2018-04-16 1 0001698530 EXICURE, INC. XCUR 0001737982 SCHROFF MATTHIAS C/O EXICURE, INC. 8045 LAMON AVENUE, SUITE 410 SKOKIE IL 60077 0 1 0 0 Chief Operating Officer Exhibit 24.1 - Power of Attorney /s/ David Snyder, attorney-in-fact 2018-04-24