Investor Presentaiton

8 Midstream - Pipeline update Spire STL Pipeline • • • 65-mile pipeline providing safe, reliable, economical energy to Eastern Missouri Strong performance since start of commercial operation in Nov. 2019 Supports improved system reliability Drives reduced methane emissions Annual earnings ~$12M FERC certificate now permanent MoGas/Omega acquisition • MoGas is 263-mile gas pipeline system primarily in Missouri Omega is connected distribution system servicing Fort Leonard Wood Closing anticipated Q2 FY24 spire Spire | Investor presentation December 2023 -

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