0001193125-26-042374 Sample Contracts

Spire Inc. $400,000,000 4.600% Senior Notes due 2031 UNDERWRITING AGREEMENT
Underwriting Agreement • February 9th, 2026 • Spire Inc • Natural gas distribution • New York

The Securities are to be issued pursuant to the Indenture (For Unsecured Debt Securities), dated as of August 19, 2014, between the Company and Regions Bank (as successor in interest to UMB Bank & Trust, N.A.), as trustee (the “Trustee”), as previously amended or supplemented prior to the Closing Date (as defined in Section 2(b) hereof) (as so amended or supplemented, the “Base Indenture”), and as to be further amended or supplemented by the Fourth Supplemental Indenture thereto, dated as of the Closing Date, between the Company and the Trustee (the “Supplemental Indenture” and the Base Indenture, as amended or supplemented by the Supplemental Indenture, the “Indenture”).