CAMBRIDGE, Mass., Sept. 12, 2012 (GLOBE NEWSWIRE) -- Merrimack Pharmaceuticals, Inc. (Nasdaq:MACK) today announced that William Sullivan, Chief Financial Officer, is scheduled to present at the UBS Global Life Sciences Conference on Wednesday, September 19, 2012 at 1:30 p.m. (ET) at the Grand Hyatt in New York, New York.