SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) announced today that John Higgins, President and Chief Executive Officer and Matt Foehr, Chief Operating Officer and Executive Vice President of Ligand, will present at the 24th Annual Roth Conference on Monday, March 12, 2012 at 2:00 p.m. Pacific (5:00 p.m. Eastern Time). The conference takes place at the Ritz-Carlton in Laguna Niguel, California.