ASSET PURCHASE AGREEMENT BY AND AMONG VIVUS, INC. As Seller MEDA AB As Buyer AND With respect to Sections 2.1, 2.7(b), 2.15, 3.1(b), 3.2, 3.3, 3.10, 3.16 and 7.2, only VIVUS REAL ESTATE, LLC Dated as of October 1, 2010