Xencor to Present at Upcoming Investor Conferences

Xencor, Inc. (NASDAQ: XNCR), a clinical-stage biopharmaceutical company developing engineered monoclonal antibodies for the treatment of cancer, autoimmune disease, asthma and allergic diseases, today announced that company management will participate in three upcoming conferences:

• Canaccord Genuity 39^th Annual Growth Conference
  Date: Thursday, August 8, 2019
  Location: Boston, MA

• BTIG Biotechnology Conference 2019
  Date: Monday, August 12, 2019
  Location: New York, NY

• 2019 Wedbush PacGrow Healthcare Conference
  Date: Tuesday, August 13, 2019
  Location: New York, NY
  Presentation Time: 10:20 a.m. ET

A live webcast of 2019 Wedbush PacGrow Healthcare Conference will be available under "Events & Presentations" in the Investors section of the Company's website located at www.xencor.com. A replay of the event will be posted on the Xencor website approximately one hour after the live event and will be available for 30 days following the presentation.

About Xencor, Inc.

Xencor is a clinical-stage biopharmaceutical company developing engineered monoclonal antibodies for the treatment of cancer, autoimmune diseases, asthma and allergic diseases. Currently, 14 candidates engineered with Xencor's XmAb^® technology are in clinical development internally and with partners. Xencor's XmAb antibody engineering technology enables small changes to the structure of monoclonal antibodies resulting in new mechanisms of therapeutic action. For more information, please visit www.xencor.com.