Hunton Andrews Kurth LLP advised the initial purchasers in connection with American Transmission Company LLC’s (“ATC”) offering of $300 million aggregate principal amount of its 5.750% Senior Notes due 2056, in a private placement under Regulation S and Regulation 144A of the Securities Act of 1933, as amended, to eligible purchasers. The transaction closed on March 16, 2026.

ATC is a Wisconsin-based utility that owns and operates the electric transmission system in portions of Wisconsin, Michigan, Minnesota and Illinois. Formed in 2001 as the nation’s first multi-state transmission-only utility, ATC now owns and operates over $7.5 billion in assets, including over 10,000 miles of transmission lines and more than 590 substations. ATC is privately held by twenty-seven owners, consisting of investor-owned utilities, municipalities, municipal electric companies and electric cooperatives.

The Hunton team included Steven C. Friend, Monika M. Dziewa, Ryan Metz, and Jack W. Chatas. Robert McNamara and William Freeman provided tax advice.