Investor Presentation December 2021

Spire Marketing Provides logistical services Wholesale services to utilities, producers, power generation, storage and pipelines Focused on physical delivery of gas - Allows for optimizing commodity, transportation and storage portfolio - Strong and experienced team based in Houston - Appropriate organic growth and risk mitigation plans • FY21 NEE of $47.0M ― $38M increase vs. FY20 Spire Marketing's operational reach - Driven by Winter Storm Uri - Higher volumes and pricing Strong monetization of storage 31 Spire | Investor presentation December 2021

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