Complex sentence: Immediately following the 2016 convention it was announced that the convention had been sold to London based Informa plc, producers of the Fan Expo line of conventions, and would be moving in 2017 to the nearby Boston Convention and Exhibition Center.
Split into simpler sentences: Immediately following the 2016 convention it was announced that the convention had been sold to London based Informa plc, producers of the Fan Expo line of conventions. Starting in 2017 the convention will be moving again, this time to the nearby Boston Convention and Exhibition Center.