Russian Prime Minister Vladimir Putin, second right, toasts with Rex W. Tillerson, chairman and chief executive officer of Exxon Mobil Corporation, left, deputy Prime Minister Igor Sechin, right, Neil W. Duffin, second left, and president of ExxonMobil Development Company and Head of Russian Technologies Sergei Chemezov, center, after their meeting in the Novo-Ogaryovo residence outside Moscow, Monday, April 16, 2012. Exxon is teaming up with Russian oil giant Rosneft to develop oil and natural gas fields in Russia and North America.The companies on Monday signed an agreement that was first announced in August.(AP Photo/RIA-Novosti, Alexei Nikolsky, Government Press Service)