U.S. Markets close in 5 hrs 51 mins

American Transmission Systems, Incorporated -- Moody's upgrades American Transmission Systems and Mid-Atlantic Interstate Transmission; affirms FirstEnergy Transmission and TrailCo

Moody's Investors Service ("Moody's") upgraded the senior unsecured and Issuer ratings of American Transmission Systems, Incorporated (ATSI) and Mid-Atlantic Interstate Transmission LLC (MAIT) to A3 from Baa1. At the same time, Moody's affirmed the senior unsecured and Issuer ratings of their intermediate holding company, FirstEnergy Transmission (FET), at Baa2 as well as operating company Trans-Allegheny Interstate Line Company (TrailCo) at A3.