Management has presented net income, net income per share, income from continuing operations and income from continuing operations per share in accordance with GAAP and on an “adjusted” basis for the quarters and years ended December 31, 2012 and 2011. Ligand believes that the presentation of non-GAAP financial measures provides useful supplementary information to and facilitates additional analysis by investors. Ligand uses these non-GAAP financial measures in connection with its own budgeting and financial planning. These non-GAAP financial measures are in addition to, not a substitute for, or superior to, measures of financial performance prepared in conformity with GAAP.Conference Call Ligand management will host a conference call today beginning at 4:30 p.m. Eastern time (1:30 p.m. Pacific time) to discuss this announcement and answer questions. To participate via telephone, please dial (877) 407-4019 from the U.S. or (201) 689-8337 from outside the U.S., using the passcode “Ligand.” A replay of the call will be available until March 12, 2013 at 5:30 p.m. Eastern time by dialing (877) 660-6853 from the U.S. or (201) 612-7415 from outside the U.S., using passcode is 407649. Individual investors can access the Webcast through Ligand’s web site at www.ligand.com. About Ligand Pharmaceuticals Ligand is a biopharmaceutical company that develops and acquires assets it believes will generate royalty revenues and, under its lean corporate cost structure, produce sustainable profitability. Ligand has a diverse asset portfolio addressing the unmet medical needs of patients for a broad spectrum of diseases including thrombocytopenia, multiple myeloma, diabetes, hepatitis, muscle wasting, dyslipidemia, anemia and osteoporosis. Ligand’s Captisol platform technology is a patent-protected, chemically modified cyclodextrin with a structure designed to optimize the solubility and stability of drugs. Ligand has established multiple alliances with the world's leading pharmaceutical companies including GlaxoSmithKline, Merck, Pfizer, Eli Lilly & Company, Baxter International, Bristol-Myers Squibb, Celgene, Onyx Pharmaceuticals, Lundbeck Inc. and The Medicines Company, among others. Please visit www.captisol.com for more information on Captisol or www.ligand.com for more information on Ligand. Follow Ligand on Twitter @Ligand_LGND.