OWINGS MILLS, Md., Feb. 15, 2012 /PRNewswire/ -- Medifast, Inc. (NYSE: MED), a leading United States manufacturer and provider of clinically proven portion-controlled weight-loss programs, will announce financial results for the fourth quarter and full year ended December 31, 2011 on Tuesday, March 13, 2012, after market close. The Company will host a conference call to discuss these results with additional comments and details. Participants from the Company will be Michael C. MacDonald, Executive Chairman and Chief Executive Officer, Brendan Connors, Chief Financial Officer, and Margaret Sheetz, President and Chief Operating Officer. The conference call is scheduled to begin at 4:30 p.m. ET on March 13, 2012. The call will be broadcast live over the Internet hosted at the Investor Relations section of Medifast's website at www.choosemedifast.com, and will be archived online through March 27, 2012. In addition, listeners may dial (877) 705-6003. A telephonic playback will be available from 7:30 p.m. ET, March 13, 2012, through March 27, 2012. Participants can dial (877) 870-5176 to hear the playback and enter passcode 388837. About Medifast Medifast, Inc. (NYSE: MED) is a leading United States manufacturer and provider of clinically proven portion-controlled weight-loss programs. Medifast has been recommended by over 20,000 doctors and used by over one million clients since 1980. The Company is committed to enriching lives by providing innovative choices for lasting health. Medifast programs have been proven effective through studies by researchers from major university teaching hospitals. The company sells its products and programs via four unique distribution channels: 1) the web and national call centers, 2) the Take Shape for Life personal coaching division, 3) medically supervised Medifast Weight Control Centers, and 4) a national network of wholesale physicians and medical practices. Medifast was founded in 1980 and is located in Owings Mills, Maryland. For more information, please visit http://www.choosemedifast.com.