Royal Dutch Shell Group and Russian gas monopoly OAO Gazprom made a deal to swap major natural-gas-providing assets. According to the agreement the government-controlled Gazprom will purchase a stake of 25% plus 1 share in the Sakhalin-2 natural-gas project and in return Shell will receive a 50% interest in Zapolyarnoye-Neocomian gas field. The difference in value between the two assets will be settled in cash.