Woburn, Mass. – December 20, 2011 – Excelimmune, Inc. today announced that the company has raised $12 million from a private investor. Proceeds will be used by Excelimmune to develop its infectious disease programs, including Staphguard, a human recombinant polyclonal antibody (HRPA) candidate against methicillin-resistant Staphylococcus aureus (MRSA), and to expand its discovery programs to new disease targets beyond infectious diseases through its antibody screening technology.

About Excelimmune
Excelimmune, Inc. is a biopharmaceutical company specializing in the development of recombinant polyclonal antibodies to create novel therapies for treating disease in humans. Excelimmune’s antibody therapies harness the diversity and effectiveness of the human body’s adaptive immune system. The company is initially focusing on the treatment of infections caused by Staphylococcus aureus, including the drug resistant superbug, MRSA. This next generation technology is also believed to be applicable in the treatment of other pathogenic bacteria and viruses, disease causing proteins, and cancer. Excelimmune, founded in 2006, is a private company located in Woburn, Mass. www.excelimmune.com.