SAN DIEGO--(BUSINESS WIRE)--Ligand Pharmaceuticals Incorporated (NASDAQ: LGND) reported a correction to its earnings release issued on May 6, 2009 relating to a milestone earned from Pfizer, Inc. Under the terms of a 1991 research agreement with Pfizer and as a result of approval by the European Commission for Pfizer’s FABLYN® (lasofoxifene) Tablets, the Company earned a contractual milestone of $3.0 million. As previously disclosed on March 24, 2009 at the time of the European approval, under the terms of a 1996 settlement agreement, Pfizer had the right to pay for the milestone in cash or by returning shares of Ligand stock valued at a pre-determined price. Pfizer elected to pay for the milestone by returning 323,338 shares of stock it owned in Ligand valued as of the date of the 1996 settlement agreement (adjusted for Ligand’s 2007 return of capital), or $9.28 per share.