** Shares of utility company Exelon EXC.O rise 1.1% to $46.98
** Carim Khouzami, president and CEO of EXC's subsidiary Baltimore Gas and Electric, is set to assume executive vice president position for transmission and development at Exelon
** Tamla Olivier, senior vice president and chief operating officer of Exelon operating company Pepco Holdings, to be the president and CEO of BGE
** Khouzami and Olivier's new roles will be effective May 1
** EXC says Olivier's successor as CEO at Pepco Holdings will be named in the coming weeks
** Including session's move, stock up 23.5% YTD
(Reporting by Pooja Menon in Bengaluru)
((Pooja.Menon@thomsonreuters.com;))