U.S. President Barack Obama delivers remarks at the My Brother's Keeper Summit at the South Court Auditorium of the White House in Washington, U.S., December 14, 2016. REUTERS/Yuri Gripas

WASHINGTON (Reuters) - U.S. President Barack Obama will hold a press conference at the White House on Friday at 2:15 p.m. ET (1915 GMT) before leaving for his annual family vacation in Hawaii, the White House said on Thursday.