Exhibit 99.1 Xencor Reports Third Quarter 2024 Financial Results PASADENA, Calif-- Nov. 6, 2024-- Xencor, Inc. (NASDAQ:XNCR), a clinical-stage biopharmaceutical company developing engineered antibodies for the treatment of cancer and other serious diseases, today reported financial results for the third quarter ended September 30, 2024 and provided a review of recent business and clinical-stage program updates. "In September, we provided updates across our clinical pipeline of XmAb® bispecific T-cell engage ...