Investor Presentaiton

Spire Marketing overview Provides natural gas marketing services throughout North America - - - Relationship-driven business delivering ~1.4 Bcf/d (2023) Firm transport capacity of ~1 Bcf/d Majority of business is Wholesale - serving producers, pipelines, power generators, utilities and others Retail operations provide marketing services to large C&I customers Creates value by optimizing commodity, transportation and storage portfolio Strong earnings contributor - FY23 NEE¹ of $48M FY24 NEE guidance: $19M - $23M 1Net Economic Earnings. 7 Spire | Investor presentation December 2023 -

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