Item 8.01.Other Events
On December 3, 2025, American Electric Power Company, Inc. (the "Company") entered into an Underwriting Agreement with Guggenheim Securities, LLC, J.P. Morgan Securities LLC, MUFG Securities Americas Inc., PNC Capital Markets LLC, Scotia Capital (USA) Inc., and Wells Fargo Securities, LLC as representatives of the underwriters named therein, relating to the offering and sale by the Company of $400,000,000 of 5.800% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures, Series C, due 2056 (the "Series C Debentures") and $600,000,000 of 6.050% Fixed-to-Fixed Reset Rate Junior Subordinated Debentures, Series D, due 2056 (the "Series D Debentures," collectively, the "Debentures"). The Series C Debentures are part of the same series of debt securities issued by the Company on September 25, 2025. Upon completion of this offering, the aggregate principal amount of outstanding Senior C Debentures is $1,500,000,000. The Series D Debentures are part of the same series of debt securities issued by the Company on September 25, 2025. Upon completion of this offering, the aggregate principal amount of outstanding Senior D Debentures is $1,500,000,000.