Press Releases

Ligand to Present at Thomas Weisel Partners and Bear Stearns Healthcare Conferences in September

SAN DIEGO--

Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) announced today that it will be presenting at two investment conferences in September.

John L. Higgins, President and Chief Executive Officer, will speak at the Thomas Weisel Partners Healthcare Conference 2007 on Friday, September 7, at 10:20 a.m. Eastern time. The conference is being held at the Four Seasons Hotel in Boston.

On Monday, September 10, Mr. Higgins and Martin Meglasson, Vice President of Discovery Research, will both present at the Bear Stearns Healthcare Conference at 2:30 p.m. Eastern time. The conference takes place at the Grand Hyatt in New York.

A live webcast of both presentations will be available on the Company's website - http://investors.ligand.com/index.cfm. A replay of each presentation will be archived on the site for 30 days.

About Ligand Pharmaceuticals

Ligand discovers and develops new drugs that address critical unmet medical needs of patients in the areas of thrombocytopenia, hepatitis C, cancer, hormone-related diseases, osteoporosis and inflammatory diseases. Ligand's proprietary drug discovery and development programs are based on its leadership position in gene transcription technology, primarily related to intracellular receptors.

Source: Ligand Pharmaceuticals Incorporated