Exhibit 32.3
Section 1350 Certification
Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Steven C. Greenley, Chief Executive Officer of Spire Alabama Inc., hereby certify that:
Date: | February 3, 2026 |
| Signature: | /s/ Steven C. Greenley |
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| Steven C. Greenley |
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| Chief Executive Officer |
Section 1350 Certification
Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Brittany B. Mathis, Chief Financial Officer, Controller and Assistant Treasurer of Spire Alabama Inc., hereby certify that:
Date: | February 3, 2026 |
| Signature: | /s/ Brittany B. Mathis |
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| Brittany B. Mathis |
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| Chief Financial Officer, Controller and Assistant Treasurer |