ANX Mast Therapeutics, Inc.

Conference call scheduled for March 13, 2008 at 1:30 p.m. (Pacific); simultaneous webcast at www.adventrx.com SAN DIEGO, March 6 /PRNewswire-FirstCall/ -- ADVENTRX Pharmaceuticals, Inc. (AMEX:ANX) today announced that it will host a conference call and webcast on Thursday, March 13th, 2008 at 1:30 p.m. Pacific / 4:30 p.m. Eastern to discuss fourth quarter and year end 2007 results. Evan M. Levine, chief executive officer and president of ADVENTRX, will host the conference call. The conference call may be accessed by dialing (800) 896-8445 for domestic callers and (785) 830-1916 for international callers. The webcast will be available live via the Internet by accessing ADVENTRX's web site at http://www.adventrx.com/ under "Investors". Replays of the webcast will be available for 30 days on ADVENTRX's web site, and a phone replay will be available through March 18, 2008 by dialing (888) 203-1112 and entering the passcode 3804583. About ADVENTRX Pharmaceuticals ADVENTRX Pharmaceuticals is a biopharmaceutical research and development company focused on commercializing proprietary product candidates for the treatment of cancer and infectious diseases. The Company seeks to improve the performance and safety of existing treatments by addressing significant problems, such as drug metabolism and bioavailability, excessive toxicity and treatment resistance. More information can be found on ADVENTRX's web site at http://www.adventrx.com/. DATASOURCE: ADVENTRX Pharmaceuticals CONTACT: Investors, Ioana C. Hone of ADVENTRX Pharmaceuticals, +1-858-552-0866 Web site: http://www.adventrx.com/

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