US $2.2B Constellation Energy Generation, LLC Public Offering of Senior Notes

We served as underwriters' counsel to Barclays Capital Inc., BNP Paribas Securities Corp., J.P. Morgan Securities LLC, Mizuho Securities USA LLC, MUFG Securities Americas Inc. and RBC Capital Markets, LLC, as representatives of the underwriters, in connection with the registered public offering of US$2.2 billion of Senior Notes by Constellation Energy Generation, LLC, comprised of US$750,000,000 4.550% Senior Notes due 2029, US$600,000,000 4.800% Senior Notes due 2032 and US$850,000,000 5.300% Senior Notes due 2036.