OGE ENERGY CORP. (NYSE:OGE) Files An 8-K Entry into a Material Definitive Agreement
Item 1.01. Entry into a Material Definitive Agreement

OGE Energy Corp. (the "Company") is the parent company of Oklahoma Gas and Electric Company ("OG&E"), a regulated electric utility with approximately 842,000 customers in Oklahoma and western Arkansas. In addition, the Company holds a 25.7 percent limited partner interest and a 50 percent general partner interest in Enable Midstream Partners, LP.

As previously disclosed, in March 2017, the Company and OG&E each entered into five-year $450 million revolving credit facilities. Each of the facilities contained an option, which could be exercised up to two times, to extend the term of the respective facility for an additional year. Effective March 9, 2018, the Company and OG&E utilized one of those extensions to extend the maturity of their respective credit facility from March 8, 2022 to March 8, 2023. The terms of the credit facilities were otherwise unchanged.

About OGE ENERGY CORP. (NYSE:OGE)

OGE Energy Corp. (OGE Energy) is an energy and energy services provider offering physical delivery and related services for both electricity and natural gas in the south central United States. The Company operates through two business segments: electric utility and natural gas midstream operations. The electric utility segment generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas. Its operations are conducted through Oklahoma Gas and Electric Company (OG&E). OG&E is an electric utility-based in Oklahoma and its franchised service territory includes the Fort Smith, Arkansas area. The natural gas midstream operations segment represents its investment in Enable Midstream Partners, LP (Enable). Enable is engaged in the business of gathering, processing, transporting and storing natural gas and its assets are located in over four states and serve natural gas production from shale developments in the Anadarko, Arkoma and Ark-La-Tex basins.