Xencor Presents Pre-Clinical Data for Anti-CD19 Antibody at AACR Monrovia, Calif. – April 15, 2008 – Xencor, Inc., a company developing protein and antibody therapeutics, presented data from its anti-CD19 antibody program during the Annual Meeting of the American Association for Cancer Research

Xencor to Present New Data from CD19 Program at Upcoming Scientific Meetings Monrovia, Calif. – April 9, 2008 – Xencor, Inc., a company developing protein and antibody therapeutics, will present new data from its pre-clinical CD19 program for lymphoma and leukemias at the Annual Meeting of the

Xencor Appoints Industry Veteran David R. King as Chairman of its Board of Directors Monrovia, CA — March 19, 2008 — Xencor, Inc., a company developing protein and antibody therapeutics, today announced that it appointed David R. King as Chairman of its Board of Directors. To Xencor, Mr.

Xencor Initiates Phase I Clinical Trial with XmAb2513 in Lymphoma Monrovia, Calif. – February 11, 2008 – Xencor, Inc., a company developing protein and antibody therapeutics, has initiated a Phase I clinical trial with its lead product candidate XmAb™2513 in patients with Hodgkin lymphoma (HL) and

Human Genome Sciences And Xencor Announce Antibody Collaboration ROCKVILLE, Maryland and MONROVIA, California – February 7, 2008 – Human Genome Sciences, Inc. (Nasdaq: HGSI) and Xencor, Inc. today announced a collaboration agreement under which Xencor will apply its proprietary XmAb™ humanization

Xencor Receives Patent for its Proprietary Antibody Fc Optimization Technology Monrovia, Calif. – January 9, 2008 – Xencor, Inc., a company developing protein and antibody therapeutics, announced today that it received a patent from the United States Patent and Trademark Office (US 7,317,091 B1)

Xencor Data from Pre-clinical XmAb™ Antibody Studies Presented at American Society of Hematology Meeting Monrovia, Calif. – December 10, 2007 – Xencor, Inc., a company developing protein and antibody therapeutics, announced today the presentation of results from pre-clinical studies evaluating two

Xencor Presents Findings on New Aspect of its Fc Technology Targeting Autoimmune Disease Monrovia, Calif. — December 7, 2007 — Xencor, Inc., a company developing protein and antibody therapeutics, presented findings at IBC Life Sciences’ 17th Annual Antibody Engineering Conference demonstrating the

Jeffrey D. Bloss, M.D., Joins Xencor as Chief Medical Officer MONROVIA, Calif.–(BUSINESS WIRE)–Xencor, a company developing protein and antibody therapeutics, today announced the appointment of Jeffrey D. Bloss, M.D., F.A.C.O.G., as chief medical officer. Dr.

Xencor Expands Series E Financing to $60 Million MONROVIA, Calif.–(BUSINESS WIRE)–Xencor, a company developing protein and antibody therapeutics, today announced that it raised an additional $15 million in an extension of its Series E financing, bringing the total raised in this round to $60