German media group Bertelsmann CEO Thomas Rabe (R) and Markus Dohle, CEO of Penguin Random House pose prior to the annual news conference Berlin, Germany, March 22, 2016. German media conglomerate Bertelsmann on Tuesday reported a 4.7 percent rise in 2015 core profit on 2.8 percent higher revenues, helped by currency effects, its book publishing unit and its German media operations. REUTERS/Fabrizio Bensch