(Reuters) - K-cup maker Keurig Green Mountain Inc will buy soda maker Dr Pepper Snapple Group Inc (DPS.N) to form a beverage company with $11 billion in annual revenue. Dr Pepper Snapple shareholders will be paid a special cash dividend of $103.75 per share and will own 13 percent of the combined company, which will be called Keurig Dr Pepper. Germany’s JAB Holding Company, which owns a controlling stake in Keurig, will own the remaining 87 percent of Keurig Dr Pepper.