PURCHASE AGREEMENT BETWEEN BIOTECHNOLOGY VALUE FUND, L.P., ON ITS OWN BEHALF AND ON BEHALF OF BIOTECHNOLOGY VALUE FUND II, L.P. AND INVESTMENT 10, L.L.C. and LIGAND PHARMACEUTICALS INCORPORATED Dated as of May 20, 2010Purchase Agreement • August 5th, 2010 • Ligand Pharmaceuticals Inc • Pharmaceutical preparations • California
Contract Type FiledAugust 5th, 2010 Company Industry JurisdictionAGREEMENT dated as of May 20, 2010 between Ligand Pharmaceuticals Incorporated, a Delaware corporation (“Seller”), and Biotechnology Value Fund, L.P., a limited partnership organized under the laws of Delaware (“Buyer”), on its own behalf and on behalf of Biotechnology Value Fund II, L.P. and Investment 10, L.L.C.