As part of the move, the group will have a two creative agency structure, it said in a statement.
In addition to Lowe Lintas, the group will soon launch an independent new creative agency, Mullen Lintas.
Amer Jaleel and Arun Iyer, joint national creative directors at Lowe Lintas have been promoted to chief creative officers.
"Arun Iyer takes on the role of CCO at Lowe Lintas, and Amer Jaleel takes on the role of chairman and CCO of the newly created agency, Mullen Lintas," the statement said.