Spire Inc. operates as a regulated natural gas utility holding company, delivering safe and reliable natural gas service and related energy solutions. The company’s primary business lines are Gas Utility, Gas Marketing, and Midstream operations, with the Gas Utility segment comprising regulated distribution subsidiaries including Spire Missouri, Spire Alabama, Spire Gulf, and Spire Mississippi; the Gas Marketing segment, via Spire Marketing, providing non-regulated natural gas marketing services across the United States; and the Midstream segment encompassing interstate pipelines, storage facilities, and associated transportation services through entities such as Spire STL Pipeline, Spire MoGas Pipeline, Spire Storage West, and Spire Storage Salt Plains. Spire Inc. focuses on delivering energy to residential, commercial, and industrial customers, while pursuing strategic expansions and related opportunities in adjacent energy infrastructure and services. The company is headquartered in St. Louis, Missouri, and serves multiple states across its regulated footprint, with a history dating back to its founding in the 20th century. Spire also engages in regulated and non-regulated activities designed to enhance energy delivery reliability, system capacity, and customer experience, supported by its network of pipelines, meters, and distribution assets. The company’s footprint extends across its core markets in the United States, positioning it as a diversified utility with complementary activities in energy infrastructure and services. Spire continuously evaluates partnerships, acquisitions, and capital investments to expand its service area, optimize operations, and support long-term growth in regulated utilities and related segments.