ROCKVILLE, Md., May 21, 2013 /PRNewswire/ -- Synthetic Biologics, Inc. (NYSE MKT: SYN), a developer of biologics focused on the prevention and treatment of serious infectious diseases, announced today that Jeffrey Riley, CEO, will present at the 2 nd Annual Marcum LLP MicroCap Conference on Thursday, May 30, 2013 in New York City at the Grand Hyatt Hotel. Mr. Riley is scheduled to present at 10:00 a.m. (Eastern Time). A live webcast of Synthetic Biologics' presentation can be accessed by logging onto the web at http://wsw.com/webcast/marcum/syn/. After the presentation, a replay will be archived and accessible for 30 days at the same website. Mr. Riley, as well as Synthetic Biologics' CFO, C. Evan Ballantyne, will be available to participate in one-on-one meetings with investors and analysts who are registered to attend the conference. Please contact the Marcum conference representative Taline Chalian at firstname.lastname@example.org. About Synthetic Biologics, Inc. Synthetic Biologics, Inc. (NYSE MKT: SYN) is a biotechnology company focused on the development of biologics for the prevention and treatment of serious infectious diseases. The Company is developing an oral enzyme for the prevention of C. difficile infections, and a series of monoclonal antibody therapies for the treatment of Pertussis and Acinetobacter infections. In addition, the Company is developing a drug candidate for the treatment of relapsing-remitting multiple sclerosis and cognitive dysfunction in multiple sclerosis. For more information, please visit Synthetic Biologics' website at www.syntheticbiologics.com. To download Synthetic Biologics' investor relations mobile device app, which allows users access to the Company's SEC documents, press releases and events, please click on the following links to download the IRapp on your iPhone and iPad or your Android mobile device. SOURCE Synthetic Biologics, Inc.