Duke Energy Ohio, Inc.’s $800 Million Bond Offering

Hunton Andrews Kurth LLP advised Duke Energy Ohio, Inc. (the “Company”) on an SEC-registered offering of $400 million aggregate principal amount of the Company’s first mortgage bonds, 3.65% Series, due February 1, 2029 and $400,000,000 aggregate principal amount of the Company’s first mortgage bonds, 4.30% Series, due February 1, 2049.

The Company, a wholly-owned subsidiary of Duke Energy Corporation, generates, transmits, distributes and sells electricity and transports and sells natural gas in portions of Ohio and Kentucky. As of December 31, 2017, the Company’s service area covers approximately 3,000 square miles and supplies electric service to 850,000 residential, commercial and industrial customers and provides transmission and distribution services for natural gas to approximately 529,000 customers. As of December 31, 2017, the Company’s asset portfolio includes approximately 1,080 megawatts of owned generation capacity, 19,600 miles of distribution lines and 2,400 miles of transmission lines.

The Hunton Andrews Kurth team included Pete O’Brien, Christina Kwon and Brendan P. Harney. Robert J. McNamara provided tax advice.