X0206 3 2017-08-01 0 0001183765 Molecular Templates, Inc. MTEM 0001713594 Broxson Michael C/O MOLECULAR TEMPLATES, INC. 9301 AMBERGLEN BLVD., SUITE 100 AUSTIN TX 78729 1 0 1 0 Common Stock 2922993 I By Millennium Pharmaceuticals, Inc.(1) These shares are owned directly by Millennium Pharmaceuticals, Inc. The Reporting Person is the Vice President and Head of R&D Business Development for Takeda Pharmaceutical Company Ltd., of which Millennium Pharmaceuticals, Inc. is a wholly owned subsidiary. The Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein. Exhibit 24.1 - Power of Attorney /s/ Jason S. Kim, attorney-in-fact 2017-08-10