SR / Spire Inc. - SEC-Einreichungen, Jahresbericht, Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 6, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spire

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

Three Months Ended March 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire reports FY26 second quarter results ST. LOUIS (May 6, 2026) – Spire Inc. (NYSE: SR) today reported results for its fiscal 2026 second quarter ended March 31. Highlights include: • Completed acquisition of the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

INDEMNIFICATION AGREEMENT

Exhibit 10.1 INDEMNIFICATION AGREEMENT This INDEMNIFICATION AGREEMENT (this “Agreement”) is made as of [], by and between Spire Inc., a Missouri corporation (“Spire”), and [NAME OF DIRECTOR/OFFICER] (“Indemnitee”). RECITALS A. Indemnitee is a [director/officer] of Spire and in such capacity or capacities is performing a valuable service for Spire. B. Both Spire and Indemnitee recognize the increas

POWER OF ATTORNEY

Exhibit 24.1 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below does hereby constitute and appoint Scott E. Doyle, Adam W. Woodward, Courtney M. Vomund and Matthew J. Aplington, or any of them and their respective successors from time to time in the offices of President and Chief Executive Officer, Chief Financial Officer, Senior Vice President, Ch

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON April 29, 2026

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON April 29, 2026 Registration No.

Calculation of Filing Fee Tables Form S-3ASR (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (

1

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire completes sale of gas marketing business to Boardwalk Pipelines for $215 million • Sale complete, effective April 30, 2026, for $215 million in cash • Employees and clients of Spire Marketing will transition t

1

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire announces sale of its Mississippi natural gas business to Delta Utilities for $75 million • Sale refines geographic footprint, regulated natural gas distribution portfolio now focused on larger regulated gas u

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

Article I DEFINITIONS Article II SALE AND PURCHASE OF THE SHARES Article III CONSIDERATION Article IV CLOSING AND TERMINATION Article V REPRESENTATIONS AND WARRANTIES OF SELLER Article VI REPRESENTATIONS AND WARRANTIES OF PURCHASER Article VII COVENA

Exhibit 10.1 Stock Purchase Agreement by and between SPIRE ENERGYSOUTH INC. and DELTA MISSISSIPPI GAS COMPANY, LLC for the purchase and sale of all of the outstanding stock of SPIRE MISSISSIPPI INC. Date: April 21, 2026 CORE/3000720.0075/242029711.1 TABLE OF CONTENTS Page Article I DEFINITIONS 1 1.1 Certain Definitions 1 1.2 Interpretive Matters 11 Article II SALE AND PURCHASE OF THE SHARES 13 2.1

Exhibit A DEFINITIONS Exhibit B Exhibit C Exhibit D Exhibit E Exhibit F

Exhibit 10.1 MEMBERSHIP INTEREST PURCHASE AGREEMENT by and between SPIRE MIDSTREAM LLC a Missouri limited liability company and SUBTERRA ENERGY HOLDINGS, LLC a Delaware limited liability company, Dated as of April 14, 2026 TABLE OF CONTENTS Page Article 1 DEFINITIONS 1 1.1 Definitions 1 1.2 Interpretations 2 Article 2 THE TRANSACTION; PURCHASE PRICE 3 2.1 Sale and Purchase 3 2.2 Purchase Price 3 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 14, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 14, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

1

Exhibit 99.1 Spire Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Spire Media Contact: Jason Merrill 314-342-3300 [email protected] I Squared Capital Media Contacts: Dominic McMullan / Sofie Brewis [email protected] For Immediate Release Spire and I Squared announce agreement for sale of natural gas storage assets for $650 million • Further sharpen

Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements December 31, 2025 and December 31, 2024

Exhibit 99.1 Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements December 31, 2025 and December 31, 2024 1 Exhibit 99.1 Tennessee Piedmont Natural Gas Business of Duke Energy Corporation INDEX TO ABBREVIATED FINANCIAL STATEMENTS Page Number Independent Auditor’s Report......................................................................

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION Note 1 – Basis of Pro Forma Presentation Note 2 – Reclassification of Abbreviated Financial Statements of the Acquired Business Note 3 – Preliminary Fair Value Measurement of Purchase Price

Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On July 27, 2025, Spire Inc. (“Spire” or the “Company”), a Missouri corporation, entered into an Asset Purchase Agreement (the “Purchase Agreement”) with Piedmont Natural Gas Company, Inc. (“Piedmont”), a North Carolina corporation and wholly owned subsidiary of Duke Energy Corporation (“Duke Energy”), pursuant to which Spir

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 31, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

1

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire completes acquisition of Tennessee Piedmont Natural Gas business from Duke Energy • Expands regulated utility footprint with Spire Tennessee becoming the largest investor-owned natural gas utility in Tennessee

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 26, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 26, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

(a) all indebtedness of Borrower and its Subsidiaries for borrowed money or incurred in connection with the purchase or other acquisition of property (other than trade accounts payable incurred in the ordinary course of business not more than ninety

Exhibit 10.1 Execution Version DELAYED DRAW TERM LOAN AGREEMENT BY AND AMONG Spire Inc., BANK OF MONTREAL, AS ADMINISTRATIVE AGENT, BMO CAPITAL MARKETS CORP., MIZUHO BANK, LTD., TD SECURITIES (USA) LLC and U.S. BANK NATIONAL ASSOCIATION, AS JOINT LEAD ARRANGERS, JOINT BOOKRUNNERS AND CO-SYNDICATION AGENTS, REGIONS BANK and WELLS FARGO BANK, NATIONAL ASSOCIATION AS CO-DOCUMENTATION AGENTS BANK OF A

Strategic sale of gas marketing business March 30, 2026

Strategic sale of gas marketing business March 30, 2026 This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995.

1

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire announces sale of gas marketing business to Boardwalk Pipelines for $215 million • Sharpens Spire’s focus on regulated natural gas utility businesses • Improves risk profile and long-term growth strategy • Rea

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 28, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

TABLE OF CONTENTS MEMBERSHIP INTERESTS PURCHASE AGREEMENT RECITALS AGREEMENT

Exhibit 10.1 Execution Version MEMBERSHIP INTERESTS PURCHASE AGREEMENT by and between Spire Resources LLC, as Seller and Boardwalk Pipelines, LP, as Purchaser Dated as of March 28, 2026 CORE/3000720.0073/238002067.12 TABLE OF CONTENTS Article 1 DEFINITIONS 2 1.1 Definitions. 2 1.2 Construction. 15 Article 2 PURCHASE AND SALE OF INTERESTS; CLOSING 16 2.1 Company Interests. 16 2.2 Purchase Price. 16

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2026 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 16, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

TERMINATION OF CERTIFICATE OF DESIGNATIONS OF 5.90% SERIES A CUMULATIVE REDEEMABLE PERPETUAL PREFERRED STOCK SPIRE INC.

Exhibit 3.1 TERMINATION OF CERTIFICATE OF DESIGNATIONS OF 5.90% SERIES A CUMULATIVE REDEEMABLE PERPETUAL PREFERRED STOCK OF SPIRE INC. Pursuant to Section 351.180 of the General Business and Corporations Law of the State of Missouri, Spire Inc., a Missouri corporation (the “Corporation”), does hereby certify that: Pursuant to authority conferred upon the Board of Directors of the Corporation (the

SPIRE INC. REGIONS BANK, FOURTH SUPPLEMENTAL INDENTURE Dated as of February 9, 2026 Dated as of August 19, 2014 4.600% Senior Notes due 2031

EX-4.1 Exhibit 4.1 SPIRE INC. and REGIONS BANK, Trustee FOURTH SUPPLEMENTAL INDENTURE Dated as of February 9, 2026 To INDENTURE Dated as of August 19, 2014 4.600% Senior Notes due 2031 TABLE OF CONTENTS Page ARTICLE ONE DEFINITIONS Section 1.01. Definition of Terms 2 ARTICLE TWO GENERAL TERMS AND CONDITIONS OF THE 2031 NOTES Section 2.01. Designation and Principal Amount 2 Section 2.02. Maturity 2

Spire Inc. $400,000,000 4.600% Senior Notes due 2031 UNDERWRITING AGREEMENT

EX-1.1 Exhibit 1.1 Spire Inc. $400,000,000 4.600% Senior Notes due 2031 UNDERWRITING AGREEMENT Dated: February 4, 2026 TABLE OF CONTENTS Page SECTION 1. REPRESENTATIONS AND WARRANTIES 2 SECTION 2. SALE AND DELIVERY TO UNDERWRITERS; CLOSING 16 SECTION 3. COVENANTS OF THE COMPANY 16 SECTION 4. PAYMENT OF EXPENSES 20 SECTION 5. CONDITIONS OF UNDERWRITERS’ OBLIGATIONS 21 SECTION 6. INDEMNIFICATION 23

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 9, 2026 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 9, 2026 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Iden

Security Type

Calculation of Filing Fee Tables S-3 SPIRE INC Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt 4.

$400,000,000 Spire Inc. 4.600% Senior Notes due 2031

424B2 Table of Contents Filed Pursuant to Rule 424(b)(2) Registration Statement File No.

Spire Inc. Offering of $400,000,000 4.600% Senior Notes due 2031 (the “Notes”) Pricing Term Sheet February 4, 2026

FWP Free Writing Prospectus Filed Pursuant to Rule 433 To Prospectus dated May 7, 2025 Preliminary Prospectus Supplement dated February 4, 2026 Registration Statement File No.

SUBJECT TO COMPLETION, DATED FEBRUARY 4, 2026

424B3 Table of Contents The information in this preliminary prospectus is not complete and may be changed.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 3, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Spire Missouri Inc. $150,000,000 4.60% First Mortgage Bonds due September 15, 2030 $50,000,000 4.65% First Mortgage Bonds due January 15, 2031 Bond Purchase Agreement Dated October 23, 2025

Exhibit 10.1 Spire Missouri Inc. $150,000,000 4.60% First Mortgage Bonds due September 15, 2030 $50,000,000 4.65% First Mortgage Bonds due January 15, 2031 Bond Purchase Agreement Dated October 23, 2025 Bond Purchase Agreement - Spire MO (October 2025) 4903-5828-5419 v5.docx 10000858 Table of Contents Section Heading Page Section 1. Authorization of Bonds 1 Section 1.1. Bonds 1 Section 1.2. Intere

Three Months Ended December 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire reports FY26 first quarter results ST. LOUIS (Feb. 3, 2026) – Spire Inc. (NYSE: SR) today reported results for its fiscal 2026 first quarter ended December 31. Highlights include: • First quarter net income of

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2026

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 29, 2026 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): January 29, 2026 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): January 29, 2026 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Iden

###

EX-99.1 Exhibit 99.1 Investor Contact: Megan McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 For Immediate Release Spire Inc. Announces Redemption of 5.90% Series A Cumulative Redeemable Perpetual Preferred Stock ST. LOUIS (Jan. 29, 2026) — Spire Inc. (NYSE: SR) (the “Company”) announced today that it has delivered notice to holders of the Company’s 5.9

NYSE CERTIFICATION

New York Stock Exchange 11 Wall Street New York, NY 10005 Tel: +1 212.656.3000 nyse.com January 14, 2026 Chief, Information Technology Securities and Exchange Commission Division of Corporate Finance 100 F Street, NE MS 3040 Washington, DC 20549 To whom it may concern: The New York Stock Exchange certifies its approval for listing and registration of the 6.375% Junior Subordinated Notes due 2086 o

SECOND SUPPLEMENTAL INDENTURE SPIRE INC. REGIONS BANK, AS TRUSTEE DATED AS OF JANUARY 12, 2026 6.375% JUNIOR SUBORDINATED NOTES DUE 2086

EX-4.1 Exhibit 4.1 SECOND SUPPLEMENTAL INDENTURE BETWEEN SPIRE INC. AND REGIONS BANK, AS TRUSTEE DATED AS OF JANUARY 12, 2026 6.375% JUNIOR SUBORDINATED NOTES DUE 2086 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 2 1.1. Definition of Terms 2 ARTICLE II GENERAL TERMS AND CONDITIONS OF THE NOTES 4 2.1. Designation and Principal Amount 4 2.2. Stated Maturity 4 2.3. Form and Payment 5 2.4. Interest 5

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Spire Inc. (Exact name of registrant as speci

8-A12B UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 Spire Inc. (Exact name of registrant as specified in its charter) Missouri 74-2976504 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 70

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): January 12, 2026 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): January 12, 2026 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Iden

Spire Inc. $200,000,000 6.375% Junior Subordinated Notes due 2086 UNDERWRITING AGREEMENT

EX-1.1 Exhibit 1.1 Spire Inc. $200,000,000 6.375% Junior Subordinated Notes due 2086 UNDERWRITING AGREEMENT Dated: January 5, 2026 TABLE OF CONTENTS Page SECTION 1. REPRESENTATIONS AND WARRANTIES 2 SECTION 2. SALE AND DELIVERY TO UNDERWRITERS; CLOSING 16 SECTION 3. COVENANTS OF THE COMPANY 17 SECTION 4. PAYMENT OF EXPENSES 21 SECTION 5. CONDITIONS OF UNDERWRITERS’ OBLIGATIONS 22 SECTION 6. INDEMNI

$200,000,000 Spire Inc. 6.375% Junior Subordinated Notes due 2086

424B3 Table of Contents Filed Pursuant to Rule 424(b(3) Registration Statement File No.

Calculation of Filing Fee Tables (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

EXHIBIT 107 Calculation of Filing Fee Tables 424(b)(3) (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities  Security  Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum  Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward   Form Type Carry Forward   F

SUBJECT TO COMPLETION, DATED JANUARY 5, 2026

424B3 Table of Contents Filed Pursuant to Rule 424(b(3) Registration Statement File No.

Spire Inc. Offering of $200,000,000 6.375% Junior Subordinated Notes due 2086 (the “Offering”) Pricing Term Sheet January 5, 2026

FWP Free Writing Prospectus Filed Pursuant to Rule 433 To Prospectus dated May 7, 2025 Preliminary Prospectus Supplement dated January 5, 2026 Registration Statement File No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 18, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

(a) all indebtedness of Borrower and its Subsidiaries for borrowed money or incurred in connection with the purchase or other acquisition of property (other than trade accounts payable incurred in the ordinary course of business not more than ninety

Exhibit 10.1 FIRST AMENDMENT TO SECOND AMENDED AND RESTATED LOAN AGREEMENT This FIRST AMENDMENT TO SECOND AMENDED AND RESTATED LOAN AGREEMENT (this “Amendment”), dated as of December 18, 2025, is entered into by and among SPIRE INC., a Missouri corporation, SPIRE ALABAMA INC., an Alabama corporation, SPIRE MISSOURI INC., a Missouri corporation and SPIRE TENNESSEE INC., a Delaware corporation (the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 17, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Spire Tennessee Inc. $130,000,000 Series 2026 Senior Notes, Tranche A, due April 1, 2029 $160,000,000 Series 2026 Senior Notes, Tranche B, due April 1, 2031 $105,000,000 Series 2026 Senior Notes, Tranche C, due April 1, 2033 $250,000,000 Series 2026

Exhibit 4.1 Spire Tennessee Inc. $825,000,000 $130,000,000 Series 2026 Senior Notes, Tranche A, due April 1, 2029 $160,000,000 Series 2026 Senior Notes, Tranche B, due April 1, 2031 $105,000,000 Series 2026 Senior Notes, Tranche C, due April 1, 2033 $250,000,000 Series 2026 Senior Notes, Tranche D, due April 1, 2036 $180,000,000 Series 2026 Senior Notes, Tranche E, due April 1, 2038 Master Note Pu

ANNUAL REPORT TO SECURITY HOLDERS

Spire Inc. 2025 Annual Report on Form 10-K2025 highlights Profile At Spire, we’re committed to safely and reliably serving the natural gas needs of our customers and communities. Every day we serve 1.7 million homes and businesses, making us one of the largest publicly traded natural gas companies in the country. We help families and business owners fuel their daily lives through our gas utilities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Spire Inc. - DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): December 8, 2025 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): December 8, 2025 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Iden

Spire at-a-glance Gas Utilities • Regulated natural gas LDCs serving 1.7M homes and businesses in AL, MO and MS • Operates ~63k miles of pipeline • Represents >99% of 10-year capex Gas Marketing • Provides natural gas marketing services throughout No

EX-99.1 Exhibit 99.1 Investor Presentation December 2025 Spire at-a-glance Gas Utilities • Regulated natural gas LDCs serving 1.7M homes and businesses in AL, MO and MS • Operates ~63k miles of pipeline • Represents >99% of 10-year capex Gas Marketing • Provides natural gas marketing services throughout North America • Creates value by optimizing commodity, transportation and storage portfolio Mid

FIRST SUPPLEMENTAL INDENTURE SPIRE INC. REGIONS BANK, AS TRUSTEE DATED AS OF NOVEMBER 24, 2025 6.250% SERIES A JUNIOR SUBORDINATED NOTES DUE 2056 6.450% SERIES B JUNIOR SUBORDINATED NOTES DUE 2056

EX-4.2 Exhibit 4.2 FIRST SUPPLEMENTAL INDENTURE BETWEEN SPIRE INC. AND REGIONS BANK, AS TRUSTEE DATED AS OF NOVEMBER 24, 2025 6.250% SERIES A JUNIOR SUBORDINATED NOTES DUE 2056 6.450% SERIES B JUNIOR SUBORDINATED NOTES DUE 2056 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 1.1. Definition of Terms 1 ARTICLE II GENERAL TERMS AND CONDITIONS OF THE NOTES 6 2.1. Designation and Principal Amount 6 2.2

Spire Inc. $450,000,000 6.250% Series A Junior Subordinated Notes due 2056 $450,000,000 6.450% Series B Junior Subordinated Notes due 2056 UNDERWRITING AGREEMENT

EX-1.1 Exhibit 1.1 Spire Inc. $450,000,000 6.250% Series A Junior Subordinated Notes due 2056 $450,000,000 6.450% Series B Junior Subordinated Notes due 2056 UNDERWRITING AGREEMENT Dated: November 18, 2025 TABLE OF CONTENTS Page SECTION 1. REPRESENTATIONS AND WARRANTIES 2 SECTION 2. SALE AND DELIVERY TO UNDERWRITERS; CLOSING 16 SECTION 3. COVENANTS OF THE COMPANY 17 SECTION 4. PAYMENT OF EXPENSES

SPIRE INC. REGIONS BANK, AS TRUSTEE JUNIOR SUBORDINATED INDENTURE DATED AS OF NOVEMBER 24, 2025 JUNIOR SUBORDINATED NOTES

EX-4.1 Exhibit 4.1 SPIRE INC. AND REGIONS BANK, AS TRUSTEE JUNIOR SUBORDINATED INDENTURE DATED AS OF NOVEMBER 24, 2025 JUNIOR SUBORDINATED NOTES Reconciliation and tie between Trust Indenture Act of 1939 (the Trust Indenture Act) and Indenture Trust Indenture Act Section Indenture Section Section 310(a)(1) 7.9 (a)(2) 7.9 (a)(3) Not applicable (a)(4) Not applicable (a)(5) 7.9 (b) 7.8 Section 311 (a

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): November 18, 2025 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): November 18, 2025 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Ide

$900,000,000 Spire Inc. $450,000,000 6.250% Series A Junior Subordinated Notes due 2056 $450,000,000 6.450% Series B Junior Subordinated Notes due 2056

424B5 Filed Pursuant to Rule 424(b)(5) Registration Statement File No. 333-287024 PROSPECTUS SUPPLEMENT (to Prospectus dated May 7, 2025) $900,000,000 Spire Inc. $450,000,000 6.250% Series A Junior Subordinated Notes due 2056 $450,000,000 6.450% Series B Junior Subordinated Notes due 2056 This is an offering of $450,000,000 principal amount of 6.250% Series A Junior Subordinated Notes (the “Series

Calculation of Filing Fee Tables (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

EXHIBIT 107 Calculation of Filing Fee Tables 424(b)(5) (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Num

Spire Inc. Offering of $450,000,000 6.250% Series A Junior Subordinated Notes due 2056 $450,000,000 6.450% Series B Junior Subordinated Notes due 2056 (the “Offering”) Pricing Term Sheet November 18, 2025

FWP Free Writing Prospectus Filed Pursuant to Rule 433 To Prospectus dated May 7, 2025 Preliminary Prospectus Supplement dated November 17, 2025 Registration Statement File No.

Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements As of September 30, 2025, and for the Nine Months Ended September 30, 2025 and September 30, 2024

EX-99.2 Exhibit 99.2 Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements As of September 30, 2025, and for the Nine Months Ended September 30, 2025 and September 30, 2024 1 Tennessee Piedmont Natural Gas Business of Duke Energy Corporation INDEX TO ABBREVIATED FINANCIAL STATEMENTS Page Number Statements of Revenues and Direct Expenses fo

SUBJECT TO COMPLETION, DATED NOVEMBER 17, 2025

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Statement File No.

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): November 17, 2025 Commission File

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): November 17, 2025 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Ide

Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements December 31, 2024 and December 31, 2023

EX-99.1 Exhibit 99.1 Tennessee Piedmont Natural Gas Business (A business of Duke Energy Corporation) Abbreviated Financial Statements December 31, 2024 and December 31, 2023 1 Tennessee Piedmont Natural Gas Business of Duke Energy Corporation INDEX TO ABBREVIATED FINANCIAL STATEMENTS Page Number Independent Auditor’s Report 3 Statements of Revenues and Direct Expenses for the Years Ended December

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION

EX-99.3 Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION On July 27, 2025, Spire Inc. (“Spire” or the “Company”), a Missouri corporation, entered into an Asset Purchase Agreement (the “Purchase Agreement”) with Piedmont Natural Gas Company, Inc. (“Piedmont”), a North Carolina corporation and wholly owned subsidiary of Duke Energy Corporation (“Duke Energy”), pursuant to wh

You also agree that no Commitment Parties, nor any of their respective affiliates, directors, officers, employees, partners, representatives, advisors and agents and their respective heirs, successors and assigns (each, a “Protected Person”) will hav

Exhibit 10.48 BANK OF MONTREAL BMO CAPITAL MARKETS CORP. 151 W 42nd Street New York, NY 10036 CONFIDENTIAL July 27, 2025 Spire Inc. 700 Market Street, 6th Floor St. Louis, MO 63101 Attn: Matt Aplington, Senior Vice President and Chief Legal Officer Email: [email protected] Re: Project Blue Ridge Commitment Letter Ladies and Gentlemen: You have advised Bank of Montreal (“BMO”), BMO Cap

DELAYED DRAW TERM LOAN AGREEMENT BY AND AMONG Spire Inc., BANK OF MONTREAL, AS ADMINISTRATIVE AGENT, BMO CAPITAL MARKETS CORP., JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., U.S. BANK NATIONAL ASSOCIATION WELLS FARGO BANK, NATIONAL ASSOCIATION, AS LE

Exhibit 10.49 DELAYED DRAW TERM LOAN AGREEMENT BY AND AMONG Spire Inc., BANK OF MONTREAL, AS ADMINISTRATIVE AGENT, BMO CAPITAL MARKETS CORP., JPMORGAN CHASE BANK, N.A., MIZUHO BANK, LTD., U.S. BANK NATIONAL ASSOCIATION and WELLS FARGO BANK, NATIONAL ASSOCIATION, AS LEAD ARRANGERS, LEAD BOOKRUNNERS AND SYNDICATION AGENTS, BANK OF AMERICA, N.A., MORGAN STANLEY BANK, N.A., REGIONS BANK, ROYAL BANK OF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number Nam

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Guidelines for Rule 10b5-1 Plans

Exhibit 19 Purchases and Sales of Securities and Prevention of Selective Disclosure Policy Document number Policy applicability Spire Inc.

ASSET PURCHASE AGREEMENT by and PIEDMONT NATURAL GAS COMPANY, INC., as Seller, SPIRE INC., as Buyer Dated as of July 27, 2025

Exhibit 10.47 ASSET PURCHASE AGREEMENT by and between PIEDMONT NATURAL GAS COMPANY, INC., as Seller, and SPIRE INC., as Buyer Dated as of July 27, 2025 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 Section 1.1 Definitions 1 Section 1.2 Terms Generally 21 ARTICLE II PURCHASE AND SALE 22 Section 2.1 Purchased Assets 22 Section 2.2 Excluded Assets 24 Section 2.3 Assumed Obligations 26 Section 2.4 Ex

Year Ended September 30,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire Reports Fiscal 2025 Results ST. LOUIS (Nov. 14, 2025) - Spire Inc. (NYSE: SR) today reported results for its fiscal year 2025 ended September 30. Highlights include: • Fiscal 2025 net income of $271.7 million

SPIRE INC. Subsidiaries of the Registrant

Exhibit 21 SPIRE INC. Subsidiaries of the Registrant Direct and Indirect Subsidiaries: Doing Business As: Organized Under the Laws of: Belle Butte LLC Missouri Laclede Development Company Missouri Laclede Insurance Risk Services, Inc. South Carolina Omega Pipeline Company, LLC Delaware Spire Alabama Inc. Spire Alabama Spire EnergySouth Inc. Delaware Spire Gulf Inc. Spire Alabama Spire Marketing In

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Spire selects Steve Greenley as Chief Operating Officer Established operational leader to join Spire’s executive leadership team

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire selects Steve Greenley as Chief Operating Officer Established operational leader to join Spire’s executive leadership team ST. LOUIS (September 22, 2025) - Spire Inc. (NYSE: SR) today announced the selection o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 22, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-1668

Three Months Ended June 30,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire reports FY25 third quarter results ST. LOUIS (Aug. 5, 2025) – Spire Inc. (NYSE: SR) today reported results for its fiscal 2025 third quarter ended June 30. Highlights include: • Third quarter net income of $20

Spire Deferred Income Plan, Amended and Restated effective October 1, 2025

Exhibit 10.4 SPIRE DEFERRED INCOME PLAN Amended and Restated Effective October 1, 20251 Section 1. Purpose of Plan The Plan is designed to enhance the value of current compensation paid to certain directors and selected employees by permitting a portion of such compensation to be deferred with such deferrals forming the basis for benefits upon certain payment events. It is intended that the Plan c

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2025 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

Acquisition summary Acquisition of the Piedmont Natural Gas Tennessee LDC business from Duke Energy for $2.48 billion on a cash-free, debt-free basis; represents 1.5´ 2026E rate base Strategic acquisition that expands regulated utility footprint Dive

EX-99.2 July 29, 2025 Acquisition of the Piedmont Natural Gas Tennessee LDC business Exhibit 99.2 This presentation contains “forward looking statements,” including Spire Inc. (“Spire”) management’s guidance regarding the impact of the proposed transaction on Spire, including the potential impact on earnings per share and the return on equity and other potential economic benefits to Spire. The for

1

EX-99.1 Exhibit 99.1      Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire to acquire Tennessee Piedmont Natural Gas business from Duke Energy ST. LOUIS (July 29, 2025) – Spire Inc. (NYSE: SR) today announced it has entered into an agreement with Piedmont Natural Gas, a

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF

Calculation of Filing Fee Tables (Form Type) SPIRE INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Ex-Filing Fees Calculation of Filing Fee Tables 424(b)(5) (Form Type) SPIRE INC.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2025 Commission File Numbe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2025 Commission File Number Name of Registrant, Address of Principal, Executive Offices and Telephone Number State of Incorporation I.R.S. Employer Identification Number 1-1668

Spire Inc. Common Stock Having an Aggregate Offering Price of Up to

Filed Pursuant to Rule 424(b)(5) Registration Statement File No. 333-287024 PROSPECTUS SUPPLEMENT (to Prospectus dated May 7, 2025) Spire Inc. Common Stock Having an Aggregate Offering Price of Up to $123,613,839 Spire Inc. is offering for sale from time to time shares of its common stock, par value $1.00 per share, as described in the accompanying prospectus under “Description of Capital Stock—De

Fortieth Supplemental Indenture, dated as of May 1, 2025, between Spire Missouri Inc. and Regions Bank, as trustee.

Exhibit 4.36 CONFIDENTIAL EXECUTION VERSION SPIRE MISSOURI INC. TO REGIONS BANK Trustee Fortieth Supplemental Indenture Dated as of May 1, 2025 $90,000,000 4.88% First Mortgage Bonds due September 15, 2030 $60,000,000 5.12% First Mortgage Bonds due September 15, 2032 TABLE OF CONTENTS Page Parties 1 Recitals 1 Previous Indentures 1 Identity of the Company 10 Identity of Trustee 11 Outstanding Bond

Consent of Akin Gump Strauss Hauer & Feld LLP (included in Exhibit 5.3 herewith).

EX-5.3 Exhibit 5.3 May 7, 2025 Spire Inc. 700 Market Street St. Louis, Missouri 63101 Re: Spire Inc. Shelf Registration Statement on Form S-3 Ladies and Gentlemen: We have acted as special counsel to Spire Inc., a Missouri corporation (“Spire”), in connection with the Registration Statement on Form S-3, as may be amended from time to time (the “Registration Statement”), filed by Spire and its whol

Form of Purchase Contract and Pledge Agreement of Spire Inc relating to purchase contracts and stock purchase units.

Exhibit 4.10 SPIRE INC. and , as Purchase Contract Agent, Collateral Agent, Custodial Agent and Securities Intermediary FORM OF PURCHASE CONTRACT AND PLEDGE AGREEMENT Dated as of , 20 TABLE OF CONTENTS Page Article 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 Section 1.01. Definitions 1 Section 1.02. Compliance Certificates and Opinions 20 Section 1.03. Form of Documents Delivered t

Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Spire Inc. Spire Missouri Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registrat

Form of Indenture of Spire Inc. relating to junior subordinated debt.

Exhibit 4.9 EXECUTION VERSION SPIRE INC. AND TRUSTEE JUNIOR SUBORDINATED INDENTURE DATED AS OF , 20 JUNIOR SUBORDINATED NOTES Reconciliation and tie between Trust Indenture Act of 1939 (the Trust Indenture Act) and Indenture Trust Indenture Act Section Indenture Section Section 310(a)(1) 7.9 (a)(2) 7.9 (a)(3) Not applicable (a)(4) Not applicable (a)(5) 7.9 (b) 7.8 Section 311 (a) 7.13 (b) 5.4(a),

As filed with the Securities and Exchange Commission on May 7, 2025

As filed with the Securities and Exchange Commission on May 7, 2025 Registration No.

Consent of Akin Gump Strauss Hauer & Feld LLP (included in Exhibit 5.4 herewith).

EX-5.4 Exhibit 5.4 May 7, 2025 Spire Missouri Inc. 700 Market Street St. Louis, Missouri 63101 Re: Spire Missouri Inc. Shelf Registration Statement on Form S-3 Ladies and Gentlemen: We have acted as special counsel to Spire Missouri Inc., a Missouri corporation (“Spire Missouri”), in connection with the Registration Statement on Form S-3, as may be amended from time to time (the “Registration Stat

Form T-1, Statement of Eligibility of Regions Bank, as trustee for the Senior Debt Securities of Spire Inc.

Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2) REGIONS BANK (Exact name of trustee as specified in its charter) Alabama 63-0371391 (Jurisdiction of incorporation o

Form T-1, Statement of Eligibility of Regions Bank, as trustee for the First Mortgage Bonds of Spire Missouri Inc.

Exhibit 25.2 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2) REGIONS BANK (Exact name of trustee as specified in its charter) Alabama 63-0371391 (Jurisdiction of incorporation o

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May, 1, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spir

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

Three Months Ended March 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire reports FY25 second quarter results ST. LOUIS (April 30, 2025) – Spire Inc. (NYSE: SR) today reported results for its fiscal 2025 second quarter ended March 31. Highlights include: • Second quarter net income

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

Separation Agreement and General Release, dated as of April 29, 2025, by and between the Company and Steven Lindsey

Exhibit 10.2 SEPARATION AGREEMENT AND GENERAL RELEASE THIS SEPARATION AGREEMENT AND GENERAL RELEASE (“Agreement”) is made and entered into as of the last date shown next to the parties’ signatures below, by and between Steven L. Lindsey (hereinafter “You” or “Your”) and Spire Inc., and its current and former agents, officers, employees, directors, divisions, affiliates, representatives, attorneys,

Employment Agreement, dated as of April 29, 2025, by and between the Company and Scott Doyle

Exhibit 10.1 EMPLOYMENT AGREEMENT THIS EMPLOYMENT AGREEMENT (the “Agreement”) between SPIRE INC., a Delaware corporation (the “Company”), and Scott Doyle (the “Executive”), is entered into on April , 2025 (the “Execution Date”). In consideration of the covenants contained herein, the parties agree as follows: 1. Employment. Subject to the terms and conditions of this Agreement, including the termi

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 24, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 25, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

Spire announces leadership transition Scott Doyle named president and chief executive officer

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire announces leadership transition Scott Doyle named president and chief executive officer ST. LOUIS (April 25, 2025) – Spire Inc. (NYSE: SR) (“Spire” or the “company”) today announced the appointment of Scott Do

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2025

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 21, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

Calculation of Registration Fee

Exhibit 107 Calculation of Registration Fee Table Form S-8 (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered(2) Proposed Maximum Offering Price Per Unit(3) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to Be Paid Equity Common Stock,

As filed with the Securities and Exchange Commission on February 6, 2025 Registration Statement No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 SPIRE IN

As filed with the Securities and Exchange Commission on February 6, 2025 Registration Statement No.

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Amendment 1 to Spire Deferred Income Plan.

Exhibit 10.1 AMENDMENT 1 TO SPIRE DEFERRED INCOME PLAN WHEREAS, Spire Inc. (the “Company”) adopted the Spire Inc. Deferred Income Plan effective January 1, 2005, which was most recently amended effective January 1, 2019 (the “Plan”); WHEREAS, the Company has retained the right to amend the Plan; and WHEREAS, the Company wishes to amend the Plan to add a restorative contribution for certain Partici

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Num

Three Months Ended December 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire reports FY25 first quarter results ST. LOUIS (Feb. 5, 2025) – Spire Inc. (NYSE: SR) today reported results for its fiscal 2025 first quarter ended December 31. Highlights include: • First quarter net income of

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 30, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 3, 2025 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 S

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

ANNUAL REPORT TO SECURITY HOLDERS

Spire Inc. 2024 Annual Report on Form 10-K2024 highlights Profile At Spire, we believe energy exists to help make people’s lives better. It’s a simple idea, but one that’s at the heart of our company. Every day we serve 1.7 million homes and businesses, making us one of the largest publicly traded natural gas companies in the country. We help families and business owners fuel their daily lives thr

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

Dear fellow shareholders, Notice of Annual Meeting of Shareholders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 25, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Subsidiaries of the Company.

Exhibit 21 SPIRE INC. Subsidiaries of the Registrant Direct and Indirect Subsidiaries: Doing Business As: Organized Under the Laws of: Belle Butte LLC Missouri Laclede Development Company Missouri Laclede Insurance Risk Services, Inc. South Carolina Omega Pipeline Company, LLC Delaware Spire Alabama Inc. Spire Alabama Spire EnergySouth Inc. Spire Delaware Spire Gulf Inc. Spire Alabama Spire Market

Year Ended September 30,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire Reports Fiscal 2024 Results Affirms long-term growth target; issues fiscal 2025 earnings guidance ST. LOUIS (Nov. 20, 2024) - Spire Inc. (NYSE: SR) today reported results for its fiscal year 2024 ended Septemb

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 20, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Purchases and Sales of Securities and Prevention of Selective Disclosure Policy.

Exhibit 19 Purchases and Sales of Securities and Prevention of Selective Disclosure Policy 1.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number Nam

Spire Inc. announces chief financial officer retirement, successor

Exhibit 99.1 Investor Contact: Megan McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] Spire Inc. announces chief financial officer retirement, successor ST. LOUIS (November 18, 2024) - Spire Inc. (NYSE: SR) today announced that Steve Rasche will step down as executive vice president and chief financial officer, effective Jan

Spire Inc. announces chief financial officer retirement, successor

Exhibit 99.1 Investor Contact: Megan McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] Spire Inc. announces chief financial officer retirement, successor ST. LOUIS (November 18, 2024) - Spire Inc. (NYSE: SR) today announced that Steve Rasche will retire as executive vice president and chief financial officer, with Adam Woodar

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14,

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identi

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 14, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

SR / Spire Inc. / FULLER & THALER ASSET MANAGEMENT, INC. Passive Investment

SC 13G/A 1 r13ga1-spire20240930.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Amendment No. 1) Under the Securities Exchange Act of 1934 Spire Inc (Name of Issuer) Common Stock (Title of Class of Securities) 84857L101 (CUSIP Number) September 30, 2024 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule

SR / Spire Inc. / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

SC 13G/A 1 spireinc13g-a10.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 10) * SPIRE INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) SEPTEMBER 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 11, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Second Amended and Restated Loan Agreement, dated October 11, 2024, among Spire Inc., Spire Missouri Inc., Spire Alabama Inc., Wells Fargo Bank, National Association, as administrative agent, and the lenders party thereto as Banks.

Exhibit 10.1 Published CUSIP Number: 84857MAE9 Revolving Credit CUSIP Number: 84857MAF6 SECOND AMENDED AND RESTATED LOAN AGREEMENT BY AND AMONG SPIRE INC., SPIRE ALABAMA INC., SPIRE MISSOURI INC., WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, JPMORGAN CHASE BANK, N.A. AND U.S. BANK NATIONAL ASSOCIATION, AS CO-SYNDICATION AGENTS, AND THE BANKS PARTY HERETO, WELLS FARGO SECURITIES

SR / Spire Inc. / STATE STREET CORP Passive Investment

SC 13G 1 SpireInc.htm SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* SPIRE INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which this Sched

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2024 Commission File Number Name of Registrant, Address of Principal, Executive Offices and Telephone Number State of Incorporation I.R.S. Employer Identification Number 1-

Thirty-Ninth Supplemental Indenture dated as of August 13, 2024 between Spire Missouri and Regions Bank, as trustee.

Exhibit 4.1 CONFIDENTIAL SPIRE MISSOURI INC. TO REGIONS BANK Trustee Thirty-Ninth Supplemental Indenture Dated as of August 13, 2024 First Mortgage Bonds 5.150% Series due August 15, 2034 TABLE OF CONTENTS Page Parties 1 Recitals 1 Previous Indentures 1 Identity of the Company 9 Identity of Trustee 10 Outstanding Bonds 10 Form of Fully Registered Bond of 2034 Series 11 Form of Trustee’s Certificat

Underwriting Agreement dated August 6, 2024 between Spire Missouri Inc. and the several Underwriters named in Exhibit A thereto, for whom BMO Capital Markets Corp., J.P. Morgan Securities LLC, TD Securities (USA) LLC and U.S. Bancorp Investments, Inc. acted as representatives.

Exhibit 1.1 Spire Missouri Inc. $320,000,000 First Mortgage Bonds, 5.150% Series due 2034 UNDERWRITING AGREEMENT Dated: August 6, 2024 TABLE OF CONTENTS Page SECTION 1. Representations and Warranties 2 SECTION 2. Sale and Delivery to Underwriters; Closing 14 SECTION 3. Covenants of the Company 15 SECTION 4. Payment of Expenses 19 SECTION 5. Conditions of Underwriters’ Obligations 20 SECTION 6. Ind

SR / Spire Inc. / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 9) * SPIRE INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) JULY 31, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

Three Months Ended June 30,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire Reports FY24 Third Quarter Results ST. LOUIS (July 31, 2024) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2024 third quarter ended June 30. Highlights include: • Net loss of $12.6 million, or

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ☒ ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spir

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spire

Three Months Ended March 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire Reports FY24 Second Quarter Results ST. LOUIS (May 1, 2024) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2024 second quarter ended March 31. Highlights include: • Net income of $204.3 million

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 1, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

Unregistered Sales of Equity Securities

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 5, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

SR / Spire Inc. / FULLER & THALER ASSET MANAGEMENT, INC. Passive Investment

SC 13G 1 r13g-spire20231231.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G (Amendment No. ) Under the Securities Exchange Act of 1934 Spire Inc (Name of Issuer) Common Stock (Title of Class of Securities) 84857L101 (CUSIP Number) December 31, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

SR / Spire Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01966-spireinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 15)* Name of issuer: Spire Inc Title of Class of Securities: Common Stock CUSIP Number: 84857L101 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pursu

Current Report

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K/A Amendment No. 1 Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 5, 2024 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.

SR / Spire Inc. / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

SC 13G/A 1 spireinc13g-a8.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 8) * SPIRE INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) DECEMBER 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the

Third Supplemental Indenture, dated as of February 12, 2024, between Spire Inc. and Regions Bank, as successor Trustee to UMB Bank & Trust, N.A.

Exhibit 4.2 SPIRE INC. and REGIONS BANK, Trustee THIRD SUPPLEMENTAL INDENTURE Dated as of February 12, 2024 To INDENTURE Dated as of August 19, 2014 5.300% Senior Notes due 2026 TABLE OF CONTENTS Page ARTICLE ONE DEFINITIONS Section 1.01. Definition of Terms 1 ARTICLE TWO GENERAL TERMS AND CONDITIONS OF THE 2026 NOTES Section 2.01. Designation and Principal Amount 2 Section 2.02. Maturity 2 Sectio

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

United States Securities and Exchange Commission Washington, D.C. 20549 Form 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of Earliest Event Reported): February 5, 2024 Commission File No. Exact Name of Registrant as Specified in its Charter and Principal Office Address and Telephone Number State of Incorporation I.R.S. Employer Iden

Securities Purchase and Registration Rights Agreement, dated February 5, 2024, among Spire Inc. and the several purchasers named in Schedule A thereto.

Exhibit 1.1 Spire Inc. $175,000,000 5.300% Senior Notes due 2026 Securities Purchase and Registration Rights Agreement This Securities Purchase and Registration Rights Agreement (this “New Notes Purchase Agreement”) is entered into on February 5, 2024 between Spire Inc., a Missouri corporation (the “Company”), and each of the several purchasers named in Schedule A hereto (the “Purchasers”). The Co

Underwriting Agreement, dated February 5, 2024, among Spire Inc., the several selling securityholders named in Exhibit A thereto and the several underwriters named in Exhibit B thereto.

Exhibit 1.2 Spire Inc. $350,000,000 5.300% Senior Notes due 2026 UNDERWRITING AGREEMENT Dated: February 5, 2024 TABLE OF CONTENTS Page SECTION 1. REPRESENTATIONS AND WARRANTIES 2 SECTION 2. SALE AND DELIVERY TO UNDERWRITERS; CLOSING 16 SECTION 3. COVENANTS OF THE COMPANY 17 SECTION 4. PAYMENT OF EXPENSES 21 SECTION 5. CONDITIONS OF UNDERWRITERS’ OBLIGATIONS 22 SECTION 6. CONDITIONS OF THE SELLING

Calculation of Filing Fee Tables (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security  Type  Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry For

$350,000,000 Spire Inc. 5.300% Senior Notes due 2026

Table of Contents Filed Pursuant to Rule 424(b)(2) Registration Statement File No.

Calculation of Filing Fee Table (Form Type) SPIRE INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Regis

Exhibit 107 Calculation of Filing Fee Table 424(b)(5) (Form Type) SPIRE INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee(1) Newly Reg

Third Letter Agreement

Exhibit 1.1 Execution Version SPIRE INC. Common Stock, Par Value $1.00 Per Share Having an Aggregate Offering Price of up to $453,317,204.30 EQUITY DISTRIBUTION AGREEMENT February 6, 2024 BMO Capital Markets Corp. 151 W 42nd Street, 32nd Floor New York, New York 10036 Bank of Montreal 55 Bloor Street West, 18th Floor Toronto, Ontario M4W 1A5 Canada BofA Securities, Inc. One Bryant Park New York, N

Spire Inc. Common Stock Having an Aggregate Offering Price of Up to

Table of Contents Filed Pursuant to Rule 424(b)(5) Registration Statement File No.

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 6, 2024 Commission File Number Name of Registrant, Address of Principal, Executive Offices and Telephone Number State of Incorporation I.R.S. Employer Identification Number 1

SUBJECT TO COMPLETION, DATED FEBRUARY 5, 2024

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Statement File No.

Spire Inc. Offering of $350,000,000 5.300% Senior Notes due 2026 Pricing Term Sheet February 5, 2024 Issuer: Spire Inc. Selling Securityholders: Wells Fargo Securities, LLC Mizuho Securities USA LLC Morgan Stanley & Co. LLC Ratings (Moody’s / S&P)*:

Free Writing Prospectus Filed Pursuant to Rule 433 To Prospectus dated May 9, 2022 Preliminary Prospectus Supplement dated February 5, 2024 Registration Statement File No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Num

Three Months Ended December 31,

Exhibit 99.1 Investor Contact: Megan L. McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] For Immediate Release Spire Reports FY24 First Quarter Results ST. LOUIS (Feb. 1, 2024) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2024 first quarter ended December 31, including: • Net income of $85.1 million ($1.52 p

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 1, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 25, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

SR / Spire Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us84857l1017012324.txt us84857l1017012324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 15) SPIRE INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 84857L101 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

Spire completes acquisition of MoGas and Omega pipeline systems Businesses join Spire’s existing midstream infrastructure.

Exhibit 99.1 Investor Contact: Megan McPhail 314-309-6563 [email protected] Media Contact: Jason Merrill 314-342-3300 [email protected] Spire completes acquisition of MoGas and Omega pipeline systems Businesses join Spire’s existing midstream infrastructure. ST. LOUIS (January 19, 2024) - Spire Inc. (NYSE: SR) today announced it has completed its acquisition of MoGas Pipeli

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 19, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Scott Doyle named Chief Operating Officer of Spire Inc. Experienced leader brings more than 25 years of utility industry experience to Spire

Exhibit 99.1 Investor Contact: Megan McPhail 314-309-6563 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] Scott Doyle named Chief Operating Officer of Spire Inc. Experienced leader brings more than 25 years of utility industry experience to Spire ST. LOUIS (January 9, 2024) - Spire Inc. (NYSE: SR) today announced that Scott Doyle h

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 6, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 S

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 3, 2024 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 S

Loan Agreement, dated January 3, 2024, among Spire Missouri Inc., U.S. Bank National Association, as the administrative agent, and the lenders party thereto

Exhibit 10.1 LOAN AGREEMENT by and among SPIRE MISSOURI INC., as the Borrower, THE BANKS FROM TIME TO TIME PARTY HERETO, U.S. BANK NATIONAL ASSOCIATION, as the Administrative Agent, MIZUHO BANK, LTD., REGIONS BANK, and TD BANK, N.A., as Co-Syndication Agents, and COMMERCE BANK, as Managing Agent January 3, 2024 U.S. BANK NATIONAL ASSOCIATION, MIZUHO BANK, LTD., REGIONS BANK, and TD BANK, N.A. as J

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

SPIRE INC - ARS

Spire Inc. 2023 Annual Report on Form 10-K The Future is Bright2023 highlights Profile At Spire, we believe energy exists to help make people’s lives better. It’s a simple idea, but one that’s at the heart of our company. Every day we serve 1.7 million homes and businesses, making us one of the largest publicly traded natural gas companies in the country. We help families and business owners fuel

Dear fellow shareholders, Notice of Annual Meeting of Shareholders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

COURTESY PDF OF PROXY STATEMENT

Spire Inc. 2023 Proxy Statement Notice of Annual Meeting of Shareholders The Future is BrightProxy statement summary ...........................................................................................................................4 Proposal 1: Election of directors ...................................................................................................................9 G overn

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number Nam

Spire Inc. Clawback Policy

Exhibit 97 Spire Inc. Clawback Policy Effective as of December 1, 2023 Section 1. Purpose This Clawback Policy (this “Policy”) has been adopted by the Board of Directors (the “Board”) of Spire Inc. (the “Company”) effective as of December 1, 2023. This Policy is designed to comply with Section 10D of the Securities Exchange Act of 1934 (the “Exchange Act”) and with New York Stock Exchange (“NYSE”)

Subsidiaries of the Company.

Exhibit 21 SPIRE INC. Subsidiaries of the Registrant Direct and Indirect Subsidiaries: Doing Business As: Organized Under the Laws of: Belle Butte LLC Missouri Laclede Development Company Missouri Laclede Insurance Risk Services, Inc. South Carolina Spire Alabama Inc. Spire Alabama Spire CNG Inc. Spire Missouri Spire EnergySouth Inc. Spire Delaware Spire Gulf Inc. Spire Alabama Spire Marketing Inc

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Year Ended September 30,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports Fiscal 2023 Results Issues fiscal 2024 earnings guidance; reaffirms long-term growth target ST. LOUIS (Nov. 16, 2023) - Spire Inc. (NYSE: SR) today reported results for its fiscal year 2

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 8, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16

Spire Announces Steve Lindsey as President and CEO Board of Directors Concludes Comprehensive Executive Search Process

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] Spire Announces Steve Lindsey as President and CEO Board of Directors Concludes Comprehensive Executive Search Process ST. LOUIS (September 21, 2023) - Spire Inc. (NYSE: SR) today announced that, effective October 1, 2023,

Spire Announces Steve Lindsey as President and CEO Board of Directors Concludes Comprehensive Executive Search Process

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] Spire Announces Steve Lindsey as President and CEO Board of Directors Concludes Comprehensive Executive Search Process ST. LOUIS (September 21, 2023) - Spire Inc. (NYSE: SR) today announced that, effective October 1, 2023,

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-1668

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 1, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 1, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identifica

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 2, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

Three Months Ended June 30,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports FY23 Third Quarter Results ST. LOUIS (Aug. 2, 2023) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2023 third quarter ended June 30, including: • Net loss of $21.6 million

Amended Bylaws of Spire Inc., effective as of July 27, 2023; filed as Exhibit 3.1 to the Company’s Current Report on Form 8-K on July 28, 2023.

Exhibit 3.1 AMENDED BYLAWS OF SPIRE INC. (July 27, 2023) ARTICLE I OFFICES Section 1. Principal Office. The principal office of Spire Inc. (“Company”) shall be at such place as the Board of Directors may from time to time determine, but until a change is effected, such principal office shall be at 700 Market Street in the City of St. Louis, Missouri. Section 2. Other Offices. The Company may also

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 27, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 19, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 [X] ANNUAL REPORT PURSUANT TO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K FOR ANNUAL REPORTS OF EMPLOYEE STOCK PURCHASE, SAVINGS AND SIMILAR PLANS PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 [X] ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 15(d) OF

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2023 Commission File Num

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 13, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spi

Terms Agreement, dated as of June 13, 2023, between Spire Inc. and Morgan Stanley & Co. LLC, as Underwriter, Forward Purchaser and Forward Seller

EX-1.1 2 d469796dex11.htm EX-1.1 Exhibit 1.1 SPIRE INC. Common Stock, Par Value $1.00 Per Share TERMS AGREEMENT June 13, 2023 Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 As Underwriter, Forward Purchaser and Forward Seller Ladies and Gentlemen: Spire Inc., a Missouri corporation (the “Company”), confirms its agreement with Morgan Stanley & Co. LLC (the “Designated Manager”), as

Forward Confirmation, dated as of June 13, 2023, between Spire Inc. and Morgan Stanley & Co. LLC, as Forward Purchaser

EX-1.2 3 d469796dex12.htm EX-1.2 Exhibit 1.2 CONFIRMATION Date: June 13, 2023 To: Spire Inc. 700 Market Street St. Louis, Missouri 63101 From: Morgan Stanley & Co. LLC 1585 Broadway, 6th Floor New York, NY 10036 Re: Registered Forward Transaction Ladies and Gentlemen: The purpose of this letter agreement is to confirm the terms and conditions of the Transaction entered into between Morgan Stanley

SPIRE INC. 1,744,549 Shares Common Stock

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Statement File No.

Calculation of Filing Fee Tables (Form Type) SPIRE INC. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered Securities

EX-FILING FEES EXHIBIT 107 Calculation of Filing Fee Tables 424(b)(3) (Form Type) SPIRE INC.

Spire Inc. 1,744,549 Shares of Common Stock Pricing Term Sheet dated June 13, 2023 Issuer: Spire Inc. Symbol: SR (NYSE) Initial Shares Offered: 1,744,549 shares of common stock Option Shares: 261,682 shares of common stock Price to Public: $64.20 Tra

Free Writing Prospectus Filed Pursuant to Rule 433 To Prospectus dated May 9, 2022 Prospectus Supplement dated May 9, 2022 Preliminary Pricing Supplement dated June 13, 2023 Registration Statement File No.

Subject to completion, dated June 13, 2023

424B3 Table of Contents Filed Pursuant to Rule 424(b)(3) Registration Statement File No.

AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 6, 2023

Table of Contents AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JUNE 6, 2023 Registration No.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 6, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spir

Power of Attorney.

Exhibit 24.1 POWER OF ATTORNEY Each director and/or officer of Spire Inc. whose signature appears below appoints S. Sitherwood, S. P. Rasche, M. C. Darrell and C. M. Vomund and each of them, severally, his or her true and lawful attorney-in-fact and agent to execute in his or her name, place and stead, in any and all capacities, a registration statement on Form S-3 and any and all amendments (incl

Explanatory Note

Table of Contents Exhibit 99.1 Explanatory Note Spire Inc. (“Spire” or the “Company”) is filing this exhibit (this “Exhibit”) solely for changes in the Company’s reportable segment information and the related impact to segment disclosures as set forth in its Annual Report on Form 10-K for the fiscal year ended September 30, 2022 (the “2022 10-K”), as filed with the Securities and Exchange Commissi

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Spire Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered (1) Proposed Maximum Offering Price Per Unit (2) Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee (

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 24, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spir

Scott W. Dudley Jr.

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire to acquire MoGas and Omega pipeline systems ST. LOUIS (May 25, 2023) - Spire Inc. (NYSE: SR) today announced it has entered into an agreement to acquire MoGas Pipeline (MoGas), an interstate nat

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 3, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Spire

Three Months Ended March 31,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports FY23 Second Quarter Results ST. LOUIS (May 3, 2023) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2023 second quarter ended March 31. Highlights include: • Net income of

Second Supplement to Master Note Purchase Agreement, dated as of March 7, 2023, between Spire Inc. and certain institutional investors (including Form of 5.80% Series 2023 Senior Note, Tranche D, due March 15, 2033).

Exhibit 4.2 Spire Inc. Second Supplement to Master Note Purchase Agreement Dated as of March 7, 2023 Re: $150,000,000 5.80% Series 2023 Senior Notes, Tranche D due March 15, 2033 Spire Inc. Dated as of March 7, 2023 To the Purchaser(s) named in Schedule A hereto Ladies and Gentlemen: This Second Supplement to Master Note Purchase Agreement (this “Second Supplement”) is between Spire Inc., a Missou

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 23, 2023 Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 23, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 Sp

Thirty-Eighth Supplemental Indenture dated as of February 13, 2023 between Spire Missouri and Regions Bank, as trustee.

Exhibit 4.1 SPIRE MISSOURI INC. TO REGIONS BANK Trustee Thirty-Eighth Supplemental Indenture Dated as of February 13, 2023 First Mortgage Bonds 4.800% Series due February 15, 2033 TABLE OF CONTENTS Page Parties 1 Recitals 1 Previous Indentures 1 Identity of the Company 9 Identity of Trustee 10 Outstanding Bonds 10 Form of Fully Registered Bond of 2033 Series 11 Form of Trustee’s Certificate of Aut

Underwriting Agreement dated February 6, 2023 between Spire Missouri Inc. and the several Underwriters named in Exhibit A thereto, for whom BMO Capital Markets Corp., TD Securities (USA) LLC, U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC acted as representatives.

EX-1.1 2 d447193dex11.htm EX-1.1 Exhibit 1.1 Spire Missouri Inc. $400,000,000 4.800% Series First Mortgage Bonds due 2033 UNDERWRITING AGREEMENT Dated: February 6, 2023 TABLE OF CONTENTS Page SECTION 1. Representations and Warranties 2 SECTION 2. Sale and Delivery to Underwriters; Closing 15 SECTION 3. Covenants of the Company 15 SECTION 4. Payment of Expenses 19 SECTION 5. Conditions of Underwrit

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2023 Commission File Number Name of Registrant, Address of Principal, Executive Offices and Telephone Number State of Incorporation I.R.S. Employer Identification Number

SR / Spire Inc / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv01937-spireinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 14)* Name of issuer: Spire Inc. Title of Class of Securities: Common Stock CUSIP Number: 84857L101 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule purs

Three Months Ended December 31,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports FY23 First Quarter Results ST. LOUIS (February 1, 2023) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2023 first quarter ended December 31. Highlights include: • Net inco

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Num

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 1, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

SR / Spire Inc / BlackRock Inc. Passive Investment

SC 13G/A 1 us84857l1017012323.txt us84857l1017012323.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 14) SPIRE INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 84857L101 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2023

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 5, 2023 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681 S

Loan Agreement, dated January 5, 2023, among Spire Missouri Inc., U.S. Bank National Association, as the administrative agent, and the lenders party thereto

Exhibit 10.1 LOAN AGREEMENT by and among SPIRE MISSOURI INC., as the Borrower, THE BANKS FROM TIME TO TIME PARTY HERETO, U.S. BANK NATIONAL ASSOCIATION, as the Administrative Agent, REGIONS BANK, and TD BANK, N.A., as Co-Syndication Agents, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Documentation Agent, BANK OF MONTREAL, and COMMERCE BANK, as Managing Agents January 5, 2023 U.S. BANK NATIONAL ASSO

SR / Spire Inc / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

United States Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 7)* SPIRE INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) DECEMBER 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

COURTESY PDF OF PROXY STATEMENT

Spire Inc. 2022 Proxy Statement Notice of Annual Meeting of Shareholders Delivering essential energyProxy statement summary ...........................................................................................................................4 Proposal 1: Election of directors ...................................................................................................................9

Dear fellow shareholders, Notice of Annual Meeting of Shareholders Proxy statement summary Proposal 1: Election of directors Governance Proposal 2: Advisory vote to approve the compensation of our named executive officers Executive compensation Propo

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

SR / Spire Inc / AMERICAN CENTURY INVESTMENT MANAGEMENT INC - SC 13G/A Passive Investment

United States Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 6)* SPIRE INC. (Name of Issuer) COMMON STOCK (Title of Class of Securities) 84857L101 (CUSIP Number) NOVEMBER 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 2, 2022 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Subsidiaries of the Company.

Exhibit 21 SPIRE INC. Subsidiaries of the Registrant Direct and Indirect Subsidiaries: Doing Business As: Organized Under the Laws of: Belle Butte LLC Missouri Belle Butte II LLC Missouri Laclede Development Company Missouri Laclede Insurance Risk Services, Inc. South Carolina Spire Alabama Inc. Spire Alabama Spire CNG Inc. Spire Missouri Spire EnergySouth Inc. Spire Delaware Spire Gulf Inc. Spire

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 16, 2022 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Three Months Ended September 30,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports FY22 4th Quarter and Full-Year Results ST. LOUIS (Nov. 16, 2022) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2022 fourth quarter and full year ended September 30. Highl

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number Nam

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 13, 2022 Commission File Number Name of Registrant, Address of Principal Executive Offices and Telephone Number State of Incorporation IRS Employer Identification No. 1-16681

Fifth Supplement to Master Note Purchase Agreement, dated as of October 13, 2022, between Spire Alabama Inc. and certain institutional investors, filed as Exhibit 4.1 to the Company’s and Spire Alabama's Current Report on Form 8-K on October 19, 2022

Exhibit 4.1 Spire Alabama Inc. Fifth Supplement to Master Note Purchase Agreement Dated as of October 13, 2022 Re:$90,000,000 5.32% Series 2022A Senior Notes due October 15, 2029 $85,000,000 5.41% Series 2022B Senior Notes due October 15, 2032 Spire Alabama Inc. 2101 6th Avenue North Birmingham, AL 35203 Dated as of October 13, 2022 To the Purchasers named in Schedule A hereto Ladies and Gentlemen

Three Months Ended June 30,

Exhibit 99.1 Investor Contact: Scott W. Dudley Jr. 314-342-0878 [email protected] Media Contact: Jessica B. Willingham 314-342-3300 [email protected] For Immediate Release Spire Reports FY22 Third Quarter Results ST. LOUIS (August 4, 2022) - Spire Inc. (NYSE: SR) today reported results for its fiscal 2022 third quarter ended June 30. Highlights include: ? Net loss of $1