On April 1, 2021, Molecular Templates, Inc. (the “Company”) received notice from Millennium Pharmaceuticals, Inc., a wholly owned subsidiary of Takeda Pharmaceutical Company Limited (“Takeda”), that Takeda has decided to terminate the Development Collaboration and Exclusive License Agreement by and between the Company and Takeda, dated September 18, 2018, as amended (the “Collaboration Agreement”) to co-develop one or more products incorporating or comprised of one or more SLT-A fusion proteins targeting CD38 for the treatment of patients with diseases such as multiple myeloma. The termination of the Collaboration Agreement will be effective 90 days following the notice of termination. Following receipt of the termination notice from Takeda, the Company notified Takeda of its intent to assume full rights to TAK-169, a second-generation ETB targeting CD38, by entering into an agreement for such rights pursuant to the termination provisions of the Collaboration Agreement.