CHICAGO–(BUSINESS WIRE)—- $EXC–Exelon (Nasdaq: EXC) Chief Executive Officer Chris Crane has announced that he will retire from his position as CEO and as a director of the Exelon Board effective Friday, Dec. 30, 2022. The Exelon Board has elected Calvin G. Butler Jr., currently president and chief operating officer (COO), to the role of president and chief executive officer as of Dec. 31, 2022. Butler also will join Exelon’s Board of Directors. The company recently promoted Butler and expanded his r