Investor Presentation December 2021 slide image

Investor Presentation December 2021

Alabama regulatory summary • Top-rated regulatory jurisdiction by RRA Rate Stabilization and Equalization (RSE) annual rate-setting process RSE parameters evaluated 3-4 four years Spire Alabama RSE reset - Oct. 1, 2022 . Spire Gulf RSE reset - Oct. 1, 2021 - Rates set based on forward-year budget, retained shareholders' equity, and current recovery of planned capex Spire Alabama: 10.4% allowed ROE midpoint and 55.5% equity ratio Spire Gulf: 9.95% allowed ROE and 55.5% equity ratio • Cost Control Measurement (CCM) Incentive to manage O&M costs relative to target benchmark and provide for cost-sharing with customers outside of band. Good recovery mechanisms Spire Alabama O&M per customer 2018 Gas costs, weather normalization and certain other non-recurring costs 75% Company 25% Customer 1.5% Cost Target 1.5% 50% Company 50% Customer Opportunity for enhanced return for pipeline replacement (Spire Alabama's AIM – 10 bp additional ROE) and certain infrastructure investments (Spire Gulf's CIMFR) Spire Alabama Off-System Sales and Capacity Release - 75%/25% value sharing with customers Alabama Public Service Commission - commissioners elected to 4-year term Twinkle Andress Cavanaugh, President (R) - 2024 - Chris "Chip" Beeker (R) – 2022 - - Jeremy H. Oden (R) - 2022 28 Spire | Investor presentation December 2021
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