ST. LOUIS, Sept. 30, 2024 /PRNewswire/ -- Union Electric Company, doing business as Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), announced today the pricing of a public offering of $450 million aggregate principal amount of 5.125% first mortgage bonds due 2055 at 99.881% of their principal amount. The transaction is expected to close on Oct. 7, 2024, subject to the satisfaction of customary closing conditions.Ameren Missouri intends to use the net proceeds of the offering to refinance sh ...