$725 Million Commonwealth Edison Company Public Offering of First Mortgage Bonds

Represented joint book-running managers BNP Paribas, BofA Securities, MUFG, SMBC Nikko and PNC Capital Markets LLC, as underwriters' counsel, in connection with the registered public offering of $725 million of First Mortgage 5.950% Bonds, Series 138 due 2055 by Commonwealth Edison Company.