SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ:LGND) announced today that it plans to report first quarter 2007 financial results on Thursday, May 10, 2007 following the close of market. Ligand’s President and CEO, John L. Higgins, Vice President of Finance and CFO, John P. Sharp and Vice President of Discovery Research, Martin Meglasson will host the conference call.