$800 Million Commonwealth Edison Company Public Offering of First Mortgage Bonds

Winston represented Goldman Sachs & Co. LLC, US Bancorp, and Wells Fargo Securities, as joint book-running managers, in connection with the registered public offering of $800 million of First Mortgage Bonds by Commonwealth Edison Company comprised of $400 million 5.300% First Mortgage Bonds due 2034 and $400 million 5.650% First Mortgage Bonds due 2054.