FIRST RIGHT TO NEGOTIATE AND AMENDMENT AGREEMENTNegotiate and Amendment Agreement • May 9th, 2012 • Agenus Inc • Biological products, (no disgnostic substances) • Delaware
This First Right to Negotiate and Amendment Agreement (this “Agreement”) is made effective this 2nd day of March, 2012 (“Amendment Effective Date”) by and between Agenus Inc., a Delaware Corporation (“Agenus”), Antigenics Inc., a Massachusetts corporation and wholly owned subsidiary of Agenus (“Antigenics MA”), and GlaxoSmithKline Biologicals SA, a Belgian company (“GSK”) (each singularly a “Party” and collectively the “Parties”).
