BFST / Business First Bancshares, Inc. - Depositi SEC, Relazione annuale, dichiarazione di delega

Business First Bancshares, Inc.
US ˙ NasdaqGS ˙ US12326C1053

Statistiche di base
LEI 549300ILTC50KHDX4A08
CIK 1624322
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Business First Bancshares, Inc.
SEC Filings (Chronological Order)
Questa pagina fornisce un elenco completo e cronologico dei depositi SEC, esclusi i documenti di proprietà che forniamo altrove.
August 26, 2025 EX-FILING FEES

Security Type

Calculation of Filing Fee Tables S-4 Business First Bancshares, 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 For

August 26, 2025 EX-99.1

CONSENT OF MERCER CAPITAL MANAGEMENT, INC.

Exhibit 99.1 CONSENT OF MERCER CAPITAL MANAGEMENT, INC. Mercer Capital Management, Inc. hereby consents to the inclusion of our fairness opinion, dated July 7, 2025, delivered to the board of directors of Progressive Bancorp, Inc. as Annex B to the proxy statement/prospectus forming a part of the Registration Statement on Form S-4 of Business First Bancshares, Inc., as the same may be amended from

August 26, 2025 EX-99.2

RULE 438 CONSENT

Exhibit 99.2 RULE 438 CONSENT Pursuant to Rule 438 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent to being named in the Registration Statement on Form S-4 of Business First Bancshares, Inc. (“Business First”), and all amendments thereto (the “Registration Statement”), any prospectus filed pursuant to Rule 424 promulgated under the Securities Act r

August 26, 2025 S-4

As filed with the Securities and Exchange Commission on August 26, 2025

Table of Contents As filed with the Securities and Exchange Commission on August 26, 2025 Registration No.

August 5, 2025 10-Q

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) x 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 o 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: 00

July 28, 2025 EX-99.2

Q2 2025 Results 2 TABLE OF CONTENTS Legal Disclosures 3 – 4 Guiding Principles & Social Impact 5 – 6 Business First Bancshares, Inc. Overview 7 – 12 Liquidity and Deposits 13 Securities Portfolio 14 Branches & Noninterest Revenue 15 – 16 Financial Re

a2025-06x30bfstinvestorp Q2 2025 Results 2 TABLE OF CONTENTS Legal Disclosures 3 – 4 Guiding Principles & Social Impact 5 – 6 Business First Bancshares, Inc.

July 28, 2025 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q2 2025

500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Media Contact: Misty Albrecht July 28, 2025 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q2 2025 Baton Rouge, La. (July 28, 2025) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudited

July 28, 2025 8-K

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 28, 2025 BUSINESS FIRST BANC

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 28, 2025 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana (State of incorporation) 001-38447 (Commission File Number) 20-5340628 (

July 7, 2025 EX-99.1

500 Laurel St.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces Agreement to Acquire Progressive Bancorp, Inc. and Progressive Bank BATON ROUGE, La., – July 7, 2025 – Business First Bancshares, Inc. (Nasdaq: BFST) (“Business First”), the holding company for b1BANK, announc

July 7, 2025 EX-10.1

Form of Voting Agreement

Exhibit 10.1 FORM OF VOTING AGREEMENT This VOTING AGREEMENT (this “Agreement”), dated as of July 7, 2025, is executed by and among Business First Bancshares, Inc. (“BFST”), a Louisiana corporation and financial holding company registered under the Bank Holding Company Act of 1956, as amended (the “BHC Act”), and Progressive Bancorp, Inc. (“Progressive”), a Louisiana corporation and financial holdi

July 7, 2025 EX-10.1

Form of Voting Agreement

Exhibit 10.1 FORM OF VOTING AGREEMENT This VOTING AGREEMENT (this “Agreement”), dated as of July 7, 2025, is executed by and among Business First Bancshares, Inc. (“BFST”), a Louisiana corporation and financial holding company registered under the Bank Holding Company Act of 1956, as amended (the “BHC Act”), and Progressive Bancorp, Inc. (“Progressive”), a Louisiana corporation and financial holdi

July 7, 2025 EX-2.1

Agreement and Plan of Reorganization by and between Business First Bancshares, Inc. and Progressive Bancorp, Inc., dated as of July 7, 2025 (Schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. A copy of any omitted schedule will be furnished supplementally to the SEC upon request; provided, however, that the parties may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any document so furnished.)

Exhibit 2.1 AGREEMENT AND PLAN OF REORGANIZATION by and between BUSINESS FIRST BANCSHARES, INC. and PROGRESSIVE BANCORP, INC. Dated as of July 7, 2025 TABLE OF CONTENTS ARTICLE I. THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Organizational Documents and Facilities of Continuing Corporation 2 Section 1.3 Board of Directors and Executive Officers of Continuing Corporation 2 Section 1.4 Effect o

July 7, 2025 EX-10.2

Form of Director Support Agreement

Exhibit 10.2 FORM OF DIRECTOR SUPPORT AGREEMENT This DIRECTOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of July 7, 2025 (the “Execution Date”), by and among Business First Bancshares, Inc., a Louisiana corporation (“BFST”), Progressive Bancorp, Inc., a Louisiana corporation (“Progressive”), and , an individual resident of the State of (the “Undersigned”). Terms with their in

July 7, 2025 EX-99.2

Investor Presentation, dated July 7, 2025, for supplemental information relating to the Merger

Exhibit 99.2

July 7, 2025 425

Progressive Bank All-User from Progressive Bank Chairman/Chief Executive Officer and President/Chief Operating Officer

Filed by: Business First Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Progressive Bancorp, Inc. Progressive Bank All-User from Progressive Bank Chairman/Chief Executive Officer and President/Chief Operating Officer Dear Team Members, Today marks a significant milestone for our

July 7, 2025 EX-99.1

500 Laurel St.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces Agreement to Acquire Progressive Bancorp, Inc. and Progressive Bank BATON ROUGE, La., – July 7, 2025 – Business First Bancshares, Inc. (Nasdaq: BFST) (“Business First”), the holding company for b1BANK, announc

July 7, 2025 EX-10.2

Form of Director Support Agreement

Exhibit 10.2 FORM OF DIRECTOR SUPPORT AGREEMENT This DIRECTOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of July 7, 2025 (the “Execution Date”), by and among Business First Bancshares, Inc., a Louisiana corporation (“BFST”), Progressive Bancorp, Inc., a Louisiana corporation (“Progressive”), and , an individual resident of the State of (the “Undersigned”). Terms with their in

July 7, 2025 425

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 7, 2025 Business First Bancs

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 7, 2025 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (Comm

July 7, 2025 EX-99.2

Investor Presentation, dated July 7, 2025, for supplemental information relating to the Merger

Exhibit 99.2

July 7, 2025 8-K

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 7, 2025 Business First Bancs

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 7, 2025 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (Comm

July 7, 2025 EX-2.1

Agreement and Plan of Reorganization by and between Business First Bancshares, Inc. and Progressive Bancorp, Inc., dated as of July 7, 2025 (Schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. A copy of any omitted schedule will be furnished supplementally to the SEC upon request; provided, however, that the parties may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any document so furnished.)

Exhibit 2.1 AGREEMENT AND PLAN OF REORGANIZATION by and between BUSINESS FIRST BANCSHARES, INC. and PROGRESSIVE BANCORP, INC. Dated as of July 7, 2025 TABLE OF CONTENTS ARTICLE I. THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Organizational Documents and Facilities of Continuing Corporation 2 Section 1.3 Board of Directors and Executive Officers of Continuing Corporation 2 Section 1.4 Effect o

June 20, 2025 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38

May 27, 2025 8-K

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): May 22, 2025 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (I

May 2, 2025 10-Q

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) x 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 o 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: 0

April 24, 2025 EX-99.2

TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc. Overview 6 – 11 Liquidity and Deposits 12 Securities Portfolio 13 Branches & Noninterest Revenue 14 – 15 Financial Results Q1 2025 Financial

TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc.

April 24, 2025 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q1 2025

500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Media Contact: Misty Albrecht April 24, 2025 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q1 2025 Baton Rouge, La. (April 24, 2025) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudit

April 24, 2025 8-K

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): April 24, 2025 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana (State of incorporation) 001-38447 (Commission File Number) 20-5340628

April 9, 2025 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

April 2, 2025 8-K

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): March 27, 2025 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 7, 2025 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.*

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent Entity b1BANK Coastal Commerce Statutory Trust I Louisiana Connecticut Business First Bancshares, Inc. Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Waterstone LSP, LLC b1Securities, LLC Mississippi Texas Louisiana b1BANK b1BANK b1BANK

March 7, 2025 EX-19.1

Insider Trading Policy*

BUSINESS FIRST BANCSHARES, INC. INSIDER TRADING POLICY As adopted by the Board of Directors The Need for a Policy Statement The purchase or sale of securities of Business First Bancshares, Inc. (“Business First”) while aware of material nonpublic information, or the disclosure of material nonpublic information to others who then trade in the securities of Business First, is prohibited by federal a

March 7, 2025 10-K

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 x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 or o 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: 001-38447 BUSINES

January 23, 2025 EX-99.2

Q4 and FY 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc. Overview 6 – 11 Liquidity and Deposits 12 Securities Portfolio 13 Branches & Noninterest Revenue 14 – 15 Financial

Q4 and FY 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc.

January 23, 2025 8-K

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): January 23, 2025 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana (State of incorporation) 001-38447 (Commission File Number) 20-534062

January 23, 2025 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Fiscal Year 2024 and Q4 2024

500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht January 23, 2025 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Fiscal Year 2024 and Q4 2024 Baton Rouge, La. (January 23, 2025) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced i

December 12, 2024 EX-10.1

b1BANK Deferred Compensation Plan

Exhibit 10.1 b1BANK DEFERRED COMPENSATION PLAN Business First Bancshares, Inc., a Louisiana corporation (the “Company”), hereby establishes the b1BANK Deferred Compensation Plan (the “Plan”), effective August 1, 2024 (the “Effective Date”), for the purpose of attracting and retaining high quality executives and Directors, and promoting in them increased efficiency and an interest in the successful

December 12, 2024 8-K

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): December 6, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

October 31, 2024 10-Q

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) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file numbe

October 24, 2024 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q3 2024

500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht October 24, 2024 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q3 2024 Baton Rouge, La. (October 24, 2024) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudited results

October 24, 2024 EX-99.2

Q3 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc. Overview 6 – 11 Liquidity and Deposits 12 Securities Portfolio 13 Branches & Noninterest Revenue 14 – 15 Financial Results

Q3 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 Guiding Principles & Social Impact 4– 5 Business First Bancshares, Inc.

October 24, 2024 8-K

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): October 24, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana (State of incorporation) 001-38447 (Commission File Number) 20-534062

October 22, 2024 EX-99.1

b1BANK Promotes Jerry Vascocu to President

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Oct. 17, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] b1BANK Promotes Jerry Vascocu to President Baton Rouge, La. – b1BANK, the banking subsidiary of Business First Bancshares, Inc. (Nasdaq: BFST), announced today that N. Jerome “Jerry” Vascocu Jr. will be the bank’s new president, reportin

October 22, 2024 8-K

Regulation FD Disclosure, 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): October 16, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

October 3, 2024 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, 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): October 1, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (C

October 3, 2024 EX-99.1

Business First Bancshares, Inc., completes acquisition of Oakwood Bancshares, Inc.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Oct. 1, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., completes acquisition of Oakwood Bancshares, Inc. Baton Rouge, La. – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK, has completed its acquisition of Oakwoo

October 3, 2024 425

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 1, 2024 Business First Ba

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 1, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (C

October 3, 2024 EX-99.1

Business First Bancshares, Inc., completes acquisition of Oakwood Bancshares, Inc.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Oct. 1, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., completes acquisition of Oakwood Bancshares, Inc. Baton Rouge, La. – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK, has completed its acquisition of Oakwoo

September 4, 2024 8-K

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): September 3, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation)

September 4, 2024 425

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 3, 2024 Business First

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 3, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation)

September 4, 2024 EX-99.1

Business First Bancshares, Inc. Receives Regulatory Approval of its Merger with Oakwood Bancshares, Inc.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Sept. 3, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Receives Regulatory Approval of its Merger with Oakwood Bancshares, Inc. Baton Rouge, La. – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK, announced it has

September 4, 2024 EX-99.1

Business First Bancshares, Inc. Receives Regulatory Approval of its Merger with Oakwood Bancshares, Inc.

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Sept. 3, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Receives Regulatory Approval of its Merger with Oakwood Bancshares, Inc. Baton Rouge, La. – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK, announced it has

July 31, 2024 EX-10.5

Supplemental Executive Retirement Plan Participation Agreement, dated as of

- 1 - b1BANK “SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN” Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and b1BANK (formerly known as Business First Bank), the (“Plan Sponsor”).

July 31, 2024 EX-10.4

Retention Bonus Agreement dated November 21, 2022, by and among Business First Bancshares, Inc., b1BANK and N. Jerome Vascocu, Jr.*

1/4 RETENTION BONUS AGREEMENT This Retention Bonus Agreement (the “Agreement”), entered into effective this the 21st day of November, 2022 (“Effective Date”), is by and between Jerome Vascocu, Jr.

July 31, 2024 10-Q

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) x 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 o 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: 00

July 31, 2024 EX-10.3

Change in Control Agreement, dated November 16, 2022, by and among Business First Bancshares, Inc., b1BANK and N. Jerome Vascocu, Jr.*

CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (“Agreement”) is made and entered into effective as of the 16th day of November, 2022 by and among Business First Bancshares, Inc.

July 31, 2024 8-K

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): July 25, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

July 25, 2024 EX-99.2

Q2 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 – 4 Guiding Principles & Social Impact 5 – 6 Business First Bancshares, Inc. Overview 7 – 12 Liquidity and Deposits 13 Securities Portfolio 14 Branches & Smith Shellnut Wilson 15 – 16 Financial

Q2 2024 Results 2 TABLE OF CONTENTS Legal Disclosures 3 – 4 Guiding Principles & Social Impact 5 – 6 Business First Bancshares, Inc.

July 25, 2024 8-K

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 25, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana (State of incorporation) 001-38447 (Commission File Number) 20-5340628 (

July 25, 2024 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q2 2024

500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht July 25, 2024 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q2 2024 Baton Rouge, La. (July 25, 2024) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudited results for th

July 23, 2024 424B3

PROXY STATEMENT/PROSPECTUS MERGER PROPOSED - YOUR VOTE IS VERY IMPORTANT

Filed Pursuant to Rule 424(b)(3) Registration Statement No. 333-280245 PROXY STATEMENT/PROSPECTUS MERGER PROPOSED - YOUR VOTE IS VERY IMPORTANT To the Shareholders of Oakwood Bancshares, Inc.: On April 25, 2024, Business First Bancshares, Inc., or “Business First,” and Oakwood Bancshares, Inc., or “Oakwood,” entered into an Agreement and Plan of Reorganization, which we refer to as the merger agre

July 22, 2024 S-4/A

As filed with the Securities and Exchange Commission on July 22, 2024

Table of Contents As filed with the Securities and Exchange Commission on July 22, 2024 Registration No.

July 22, 2024 EX-99.3

Form of Proxy for holders of shares of common stock of Oakwood Bancshares, Inc.#

Exhibit 99.3 Oakwood Bancshares, Inc. 8411 Preston Road, Suite 600, LB 35 Dallas, Texas 75225 Attention: Secretary OAKWOOD BANCSHARES, INC. SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON AUGUST 27, 2024 Proxy Card THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS OF OAKWOOD BANCSHARES, INC. (“OAKWOOD”). The undersigned acknowledges receipt of the Notice of Special Meeting of Shareholders

July 22, 2024 CORRESP

July 22, 2024

July 22, 2024 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance 100 F.

June 27, 2024 CORRESP

BUSINESS FIRST BANCSHARES, INC.

BUSINESS FIRST BANCSHARES, INC. June 27, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Business First Bancshares, Inc. Form 10-K for Fiscal Year Ended December 31, 2023 File No. 001-38447 Mr. Makhdoom and Mr. Nolan: Business First Bancshares, Inc. (“Business First”) is providing the following response to the comment le

June 21, 2024 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38

June 17, 2024 S-4

As filed with the Securities and Exchange Commission on June 14, 2024

Table of Contents As filed with the Securities and Exchange Commission on June 14, 2024 Registration No.

June 17, 2024 EX-99.2

Consent of William G. Hall.

Exhibit 99.2 RULE 438 CONSENT Pursuant to Rule 438 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), I hereby consent to being named in the Registration Statement on Form S-4 of Business First Bancshares, Inc. (“Business First”), and all amendments thereto (the “Registration Statement”), any prospectus filed pursuant to Rule 424 promulgated under the Securities Act r

June 17, 2024 EX-99.1

Consent of Stephens Inc.

Exhibit 99.1 CONSENT OF STEPHENS INC. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Oakwood Bancshares, Inc. (the “Company”) as an Appendix to the Proxy Statement/Prospectus relating to the proposed merger of the Company with and into Business First Bancshares, Inc. contained in the Registration Statement on Form S-4, as filed with the Securities and Exchang

June 17, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-4 (Form Type) Business First Bancshares, Inc.

June 5, 2024 CORRESP

BUSINESS FIRST BANCSHARES, INC.

BUSINESS FIRST BANCSHARES, INC. June 5, 2024 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Business First Bancshares, Inc. Request for Accelerated Effectiveness Registration Statement on Form S-3 File No. 333-279754 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, Business First Bancs

May 28, 2024 EX-FILING FEES

Calculation of Filing Fees Tables.

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Business First Bancshares, Inc.

May 28, 2024 S-8 POS

As filed with the Securities Exchange Commission on May 28, 2024

As filed with the Securities Exchange Commission on May 28, 2024 Registration Statement No.

May 28, 2024 S-8

As filed with the Securities Exchange Commission on May 28, 2024

As filed with the Securities Exchange Commission on May 28, 2024 Registration Statement No.

May 28, 2024 S-3

As filed with the Securities and Exchange Commission on May 28, 2024

Table of Contents As filed with the Securities and Exchange Commission on May 28, 2024 Registration No.

May 28, 2024 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) BUSINESS FIRST BANCSHARES, INC.

May 23, 2024 8-K

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): May 23, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (I

May 2, 2024 10-Q

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) x 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 o 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: 0

May 1, 2024 425

469.687.2200 | 8411 Preston Road, Suite 600, LB 35 | Dallas, TX 75225 | oakwoodbank.com

Filed by: Business First Bancshares, Inc. Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Oakwood Bancshares, Inc. May 1, 2024 Dear Shareholders: I am very pleased to announce that on Thursday, April 25, 2024, Oakwood Bancshares, Inc. entered into a definitive agreement with Business First Bancsh

April 25, 2024 EX-99.2

Investor Presentation, dated April 25, 2024, for results of operations for the first quarter of 2024

Exhibit 99.2

April 25, 2024 EX-99.3

BUSINESS FIRST BANCSHARES, INC. TO ACQUIRE OAKWOOD BANCSHARES, INC. AND OAKWOOD BANK b1BANK to Accelerate the Growth of its Dallas Market Presence

Exhibit 99.3 500 Laurel St. Baton Rouge, La. 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE April 25, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC. TO ACQUIRE OAKWOOD BANCSHARES, INC. AND OAKWOOD BANK b1BANK to Accelerate the Growth of its Dallas Market Presence Baton Rouge, La. – April 25, 2024 – Business First Bancshares, Inc. (NASDAQ: BFST) (“Bus

April 25, 2024 EX-10.1

Form of Voting Agreement

Exhibit 10.1 FORM OF VOTING AGREEMENT This VOTING AGREEMENT (this “Agreement”), dated as of April 25, 2024, is executed by and among Business First Bancshares, Inc. (“BFST”), a Louisiana corporation and financial holding company registered under the Bank Holding Company Act of 1956, as amended (the “BHC Act”), and Oakwood Bancshares, Inc. (“Oakwood”), a Texas corporation and bank holding company r

April 25, 2024 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q1 2024

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht April 25, 2024 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q1 2024 Baton Rouge, La. (April 25, 2024) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudited

April 25, 2024 EX-99.3

BUSINESS FIRST BANCSHARES, INC. TO ACQUIRE OAKWOOD BANCSHARES, INC. AND OAKWOOD BANK b1BANK to Accelerate the Growth of its Dallas Market Presence

Exhibit 99.3 500 Laurel St. Baton Rouge, La. 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE April 25, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC. TO ACQUIRE OAKWOOD BANCSHARES, INC. AND OAKWOOD BANK b1BANK to Accelerate the Growth of its Dallas Market Presence Baton Rouge, La. – April 25, 2024 – Business First Bancshares, Inc. (NASDAQ: BFST) (“Bus

April 25, 2024 EX-99.2

Investor Presentation, dated April 25, 2024, for results of operations for the first quarter of 2024

Exhibit 99.2

April 25, 2024 8-K

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, 2024 Business First Ban

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, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (Co

April 25, 2024 425

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, 2024 Business First Ban

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, 2024 Business First Bancshares, Inc. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (Co

April 25, 2024 EX-10.2

Form of Director Support Agreement (incorporated by reference to Exhibit 10.2 of the Current Report on Form 8-K filed by Business First Bancshares, Inc. on April 25, 2024).

Exhibit 10.2 FORM OF DIRECTOR SUPPORT AGREEMENT This DIRECTOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of April 25, 2024 (the “Execution Date”), by and between Business First Bancshares, Inc., a Louisiana corporation (“BFST”), Oakwood Bancshares, Inc., a Texas corporation (“Oakwood”), and , an individual resident of the State of (the “Undersigned”). Terms with their initial

April 25, 2024 EX-2.1

Agreement and Plan of Reorganization, dated April 25, 2024, by and between Business First Bancshares, Inc., and Oakwood Bancshares, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by Business First Bancshares, Inc. on April 25, 2024).

Exhibit 2.1 AGREEMENT AND PLAN OF REORGANIZATION by and between BUSINESS FIRST BANCSHARES, INC. and OAKWOOD BANCSHARES, INC. Dated as of April 25, 2024 TABLE OF CONTENTS Page ARTICLE I. THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Organizational Documents and Facilities of Continuing Corporation 2 Section 1.3 Board of Directors and Executive Officers of Continuing Corporation 2 Section 1.4 Ef

April 25, 2024 EX-99.4

Investor Presentation, dated April 25, 2024, for supplemental information relating to the Merger

Exhibit 99.4

April 25, 2024 EX-2.1

Agreement and Plan of Reorganization by and between Business First Bancshares, Inc. and Oakwood Bancshares, Inc., dated as of April 25, 2024 (Schedules and exhibits have been omitted pursuant to Item 601(b)(2) of Regulation S-K. A copy of any omitted schedule will be furnished supplementally to the SEC upon request; provided, however, that the parties may request confidential treatment pursuant to Rule 24b-2 of the Securities Exchange Act of 1934, as amended, for any document so furnished.)

Exhibit 2.1 AGREEMENT AND PLAN OF REORGANIZATION by and between BUSINESS FIRST BANCSHARES, INC. and OAKWOOD BANCSHARES, INC. Dated as of April 25, 2024 TABLE OF CONTENTS Page ARTICLE I. THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Organizational Documents and Facilities of Continuing Corporation 2 Section 1.3 Board of Directors and Executive Officers of Continuing Corporation 2 Section 1.4 Ef

April 25, 2024 EX-10.1

Form of Voting Agreement (incorporated by reference to Exhibit 10.1 of the Current Report on Form 8-K filed by Business First Bancshares, Inc. on April 25, 2024).

Exhibit 10.1 FORM OF VOTING AGREEMENT This VOTING AGREEMENT (this “Agreement”), dated as of April 25, 2024, is executed by and among Business First Bancshares, Inc. (“BFST”), a Louisiana corporation and financial holding company registered under the Bank Holding Company Act of 1956, as amended (the “BHC Act”), and Oakwood Bancshares, Inc. (“Oakwood”), a Texas corporation and bank holding company r

April 25, 2024 EX-10.2

Form of Director Support Agreement

Exhibit 10.2 FORM OF DIRECTOR SUPPORT AGREEMENT This DIRECTOR SUPPORT AGREEMENT (this “Agreement”) is made and entered into as of April 25, 2024 (the “Execution Date”), by and between Business First Bancshares, Inc., a Louisiana corporation (“BFST”), Oakwood Bancshares, Inc., a Texas corporation (“Oakwood”), and , an individual resident of the State of (the “Undersigned”). Terms with their initial

April 25, 2024 EX-99.1

Business First Bancshares, Inc., Announces Financial Results for Q1 2024

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht April 25, 2024 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Announces Financial Results for Q1 2024 Baton Rouge, La. (April 25, 2024) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaudited

April 25, 2024 EX-99.4

Investor Presentation, dated April 25, 2024, for supplemental information relating to the Merger

Exhibit 99.4

April 10, 2024 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

March 1, 2024 EX-97.1

Clawback Policy.*

Exhibit 97.1 Executive Compensation Clawback Policy The Board of Directors (the “Board”) of Business First Bancshares, Inc. (the “Company”) believes that it is in the best interests of the Company and its shareholders to adopt this Clawback Policy (the “Policy”), which provides for the recovery of certain incentive compensation in the event of an Accounting Restatement (as defined below). This Pol

March 1, 2024 EX-21.1

List of subsidiaries of Business First Bancshares, Inc. (incorporated by reference to Exhibit 21.1 of the Annual Report on Form 10-K for the year ended December 31, 2023, filed by Business First Bancshares, Inc. on March 1, 2024).

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent Entity b1BANK Louisiana Business First Bancshares, Inc. Coastal Commerce Statutory Trust I Connecticut Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Mississippi b1BANK

March 1, 2024 10-K

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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38447 BUSINES

February 13, 2024 SC 13G

BFST / Business First Bancshares, Inc. / VANGUARD GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 tv0501-businessfirstbancshar.htm SCHEDULE 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 Name of issuer: Business First Bancshares Inc Title of Class of Securities: Common Stock CUSIP Number: 12326C105 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rul

February 1, 2024 8-K

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 BUSINESS FIRST B

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 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

February 1, 2024 EX-99.1

Business First Bancshares, Inc. Announces Acquisition of Waterstone LSP, LLC

Exhibit 99.1 500 Laurel Street, Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE February 1, 2024 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces Acquisition of Waterstone LSP, LLC Baton Rouge, La. (Jan. 31, 2024) – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK announced today th

January 23, 2024 8-K

Regulation FD Disclosure, 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): January 23, 2024 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

January 23, 2024 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2023 AND Q4 2023

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht January 23, 2024 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2023 AND Q4 2023 Baton Rouge, La. (January 23, 2024) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, toda

January 23, 2024 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Fiscal Year 2023 and Q4 2023 Results.

Exhibit 99.2

December 20, 2023 8-K

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): December 19, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Numbe

November 16, 2023 8-K

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): November 14, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Numbe

November 2, 2023 10-Q

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 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 numbe

October 26, 2023 8-K

Regulation FD Disclosure, 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): October 26, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

October 26, 2023 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q3 2023 Results.

Exhibit 99.2

October 26, 2023 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2023

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE October 26, 2023 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2023 Baton Rouge, La. (October 26, 2023) – Business First Bancshares, Inc. (Nasdaq: BFST) (Business First), parent company of b1BANK, today announced its unaud

August 3, 2023 10-Q

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: 00

July 28, 2023 8-K

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 BUSINESS FIRST BANC

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 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

July 27, 2023 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2023

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE July 27, 2023 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2023 Baton Rouge, La. (July 27, 2023) – Business First Bancshares, Inc. (Nasdaq: BFST) (Business First), parent company of b1BANK, today announced its unaudited r

July 27, 2023 8-K

Regulation FD Disclosure, 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 27, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

July 27, 2023 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q2 2023 Results.

Exhibit 99.2

June 27, 2023 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38

June 12, 2023 DEF 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confid

June 12, 2023 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of

May 4, 2023 10-Q

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: 0

May 4, 2023 EX-10.2

Change in Control Agreement, dated June 23, 2022, between Business First Bancshares, Inc. and Saundra Strong (incorporated by reference to Exhibit 10.2 of the Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, filed by Business First Bancshares, Inc. on May 4, 2023).

Exhibit 10.2 CHANGE IN CONTROL AGREEMENT This Change in Control Agreement ("Agreement") is made and entered into effective as of the 23rd day of June, 2022 by and among Business First Bancshares, Inc., a Louisiana corporation and registered bank holding company ("BFST"), blBANK, a Louisiana chartered bank and wholly owned subsidiary of BFST with its principal office in Baton Rouge, Louisiana (the

May 4, 2023 EX-10.1

Supplemental Executive Retirement Plan Participation Agreement, dated as of April 27, 2023, between b1BANK and Saundra Strong (incorporated by reference to Exhibit 10.1 of the Quarterly Report on Form 10-Q for the quarter ended March 31, 2023, filed by Business First Bancshares, Inc. on May 4, 2023).

Exhibit 10.1 b1BANK “Supplemental Executive Retirement Plan” Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and b1BANK (formerly known as Business First Bank), the (“Plan Sponsor”). The Plan Sponsor and the Eligible Employee hereby agree, for good and valuable c

May 1, 2023 10-K/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A Amendment No. 2 (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38

April 27, 2023 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2023

Exhibit 99.1 FOR IMMEDIATE RELEASE April 27, 2023 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2023 Baton Rouge, La. (April 27, 2023) – Business First Bancshares, Inc. (Nasdaq: BFST) (Business First), parent company of b1BANK, today announced its unaudited results for the quarter ended March 31, 2023, including net

April 27, 2023 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q1 2023 Results.

Exhibit 99.2

April 27, 2023 8-K

Regulation FD Disclosure, 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): April 27, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 15, 2023 10-K/A

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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 -12-31FY2022 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: 001-38447 BUSINESS F

March 2, 2023 10-K

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 ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year 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 number: 001-38447 BUSINES

March 2, 2023 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.*

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent Entity b1BANK Coastal Commerce Statutory Trust I Louisiana Connecticut Business First Bancshares, Inc. Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Mississippi b1BANK

March 2, 2023 EX-4.3

Description of Securities Registered under Section 12 of the Exchange Act (incorporated by reference to Exhibit 4.3 included in the Annual Report on Form 10-K for the year ended December 31, 2023, filed by Business First Bancshares, Inc. on March 2, 2023).

Exhibit 4.3 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT. Our common stock on the Nasdaq Global Select Market under the symbol “BFST”. The following description of the terms of our common stock is not complete and is qualified in its entirety by reference to our Amended and Restated Articles of Incorporation (the “Articles of Incorporation”), and our Amended and Restat

January 25, 2023 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2022 AND Q4 2022

EX-99.1 2 ex467077.htm EXHIBIT 99.1 Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE January 25, 2023 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2022 AND Q4 2022 Baton Rouge, La. (January 25, 2023) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business Fi

January 25, 2023 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Fiscal Year 2022 and Q4 2022 Results.

Exhibit 99.2

January 25, 2023 8-K

Regulation FD Disclosure, 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): January 25, 2023 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

November 3, 2022 10-Q

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 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 numbe

November 3, 2022 EX-3.1

Restated Articles of Incorporation of Business First Bancshares, Inc., adopted October 27, 2022 (incorporated by reference to Exhibit 3.1 of the Quarterly Report on Form 10-Q for the quarter ended September 30, 2022, filed by Business First Bancshares, Inc. on November 3, 2022).

Exhibit 3.1 UNITED STATES OF AMERICA ? ARTICLES OF RESTATEMENT ? OF THE STATE OF LOUISIANA ? ARTICLES OF INCORPORATION ? OF PARISH OF EAST BATON ROUGE ? BUSINESS FIRST BANCSHARES, INC. BE IT KNOWN, that on this 27th day of October 2022, BEFORE ME, the undersigned Notary Public, duly appointed and commissioned in the State and Parish aforesaid, PERSONALLY CAME AND APPEARED David R. Melville, III, P

October 26, 2022 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2022

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE October 26, 2022 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2022 Baton Rouge, La. (October 26, 2022) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, today announced its unaud

October 26, 2022 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q3 2022 Results.

Exhibit 99.2

October 26, 2022 8-K

Regulation FD Disclosure, 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): October 26, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

October 17, 2022 8-K

Entry into a Material Definitive Agreement, 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): October 17, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (

October 17, 2022 EX-1.1

Underwriting Agreement, dated October 12, 2022, by and between the Company and Stephens, Inc., as the representative of the several underwriters listed in Schedule 1 thereto.

EX-1.1 2 ex432422.htm EXHIBIT 1.1 Exhibit 1.1 Business First Bancshares, Inc. 2,500,000 Shares of Common Stock, par value $1.00 per share Underwriting Agreement October 12, 2022 Stephens Inc. As Representative of the several Underwriters listed in Schedule 1 hereto c/o Stephens Inc. 111 Center Street Little Rock, Arkansas 72201 Ladies and Gentlemen: Business First Bancshares, Inc., a Louisiana cor

October 13, 2022 424B5

BUSINESS FIRST BANCSHARES, INC. Common Stock

424B5 1 bfbi20221007424b5.htm FORM 424B5 Table of Contents Filed pursuant to Rule 424(b)(5) Registration Statement No. 333-256605 PROSPECTUS SUPPLEMENT (To Prospectus Dated May 28, 2021) BUSINESS FIRST BANCSHARES, INC. $50,000,000 Common Stock We are offering 2,500,000 shares of our common stock, par value $1.00 per share, by means of this prospectus supplement and the accompanying base prospectus

October 12, 2022 EX-99.1

Business First Bancshares, Inc. Announces Underwritten Public Offering of Common Stock

Exhibit 99.1 FOR IMMEDIATE RELEASE October 12, 2022 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces Underwritten Public Offering of Common Stock Baton Rouge, La. ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, announced today an underwritten public offering of 2,500,000 shares of its common stock at

October 12, 2022 FWP

Free Writing Prospectus

Free Writing Prospectus Filed Pursuant to Rule 433 Registration Statement 333-256605 Dated October 12, 2022

October 12, 2022 8-K

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): October 12, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

September 1, 2022 EX-3.1

Articles of Amendment dated September 1, 2022 to the Company’s Amended and Restated Articles of Incorporation.

Exhibit 3.1 UNITED STATES OF AMERICA ? ARTICLES OF AMENDMENT ? OF THE STATE OF LOUISIANA ? ARTICLES OF INCORPORATION ? OF PARISH OF EAST BATON ROUGE ? BUSINESS FIRST BANCSHARES, INC. BE IT KNOWN, that on this 1st day of September 2022, BEFORE ME, the undersigned Notary Public, duly appointed and commissioned in the State and Parish aforesaid, PERSONALLY CAME AND APPEARED David R. Melville, III, Pr

September 1, 2022 8-K

Regulation FD Disclosure, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Unregistered Sales of Equity Securities, Financial Statements and Exhibits

-12-31 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, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission Fil

September 1, 2022 EX-10.1

Form of Series A Preferred Stock (incorporated by reference to Exhibit A to Exhibit 10.1 to the Current Report on Form 8-K filed by Business First Bancshares, Inc. on September 1, 2022).

Exhibit 10.1 Certain information (indicated by [***]) has been omitted from this exhibit because it is both (i) not material and (ii) is of the type that the registrant treats as private or confidential. SECURITIES PURCHASE AGREEMENT Dated as of September 1, 2022 by and among BUSINESS FIRST BANCSHARES, INC. and THE PURCHASERS NAMED HEREIN TABLE OF CONTENTS Page ARTICLE 1 PURCHASE; CLOSING 1 1.1 Pu

September 1, 2022 EX-99.2

Business First Bancshares, Inc. Investor Presentation regarding the Private Placement of Subordinated Notes, dated August 2022.

EX-99.2 5 ex419149.htm EXHIBIT 99.2 Exhibit 99.2

September 1, 2022 EX-99.1

Business First Bancshares, Inc., Raises $72.0 Million in Preferred Equity

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE September 1, 2022 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Raises $72.0 Million in Preferred Equity Baton Rouge, La. (Sept. 1, 2022) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, La., announce

August 19, 2022 EX-FILING FEES

Filing Fee Table

Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) BUSINESS FIRST BANCSHARES, INC.

August 19, 2022 S-8

As filed with the Securities Exchange Commission on August 19, 2022

As filed with the Securities Exchange Commission on August 19, 2022 Registration Statement No.

August 4, 2022 10-Q

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, 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: 00

August 4, 2022 EX-10.1

Change in Control Agreement, dated October 29, 2019, between Business First Bancshares, Inc. and Keith Mansfield (incorporated by reference to Exhibit 10.1 of the Quarterly Report on Form 10-Q for the quarter ended June 30, 2022, filed by Business First Bancshares, Inc. on August 4, 2022).

Exhibit 10.1 CHANGE IN CONTROL AGREEMENT This Change in Control Agreement (?Agreement?) is made and entered into effective as of the 6th day of October, 2019 by and among Business First Bancshares, Inc., a Louisiana corporation and registered bank holding company (?BFST?), Business First Bank, a Louisiana chartered bank and wholly-owned subsidiary of BFST with its principal office in Baton Rouge,

August 4, 2022 EX-10.2

Supplemental Executive Retirement Plan Participation Agreement, dated as of January 7, 2021, between b1BANK and Keith Mansfield (incorporated by reference to Exhibit 10.2 of the Quarterly Report on Form 10-Q for the quarter ended June 30, 2022, filed by Business First Bancshares, Inc. on August 4, 2022).

Exhibit 10.2 b1BANK ?Supplemental Executive Retirement Plan? Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and b1BANK (formerly known as Business First Bank), the (?Plan Sponsor?). The Plan Sponsor and the Eligible Employee hereby agree, for good and valuable c

July 26, 2022 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2022

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE July 26, 2022 Misty Albrecht b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2022 Baton Rouge, La. (July 26, 2022) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, today a

July 26, 2022 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q2 2022 Results.

Exhibit 99.2

July 26, 2022 8-K

Regulation FD Disclosure, 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 26, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

June 27, 2022 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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: 001-38

June 24, 2022 8-K

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): June 23, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

June 1, 2022 8-K

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): June 1, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (I

June 1, 2022 EX-16.1

Letter from FORVIS, LLP dated June 1, 2022

EX-16.1 2 ex382527.htm EXHIBIT 16.1 Exhibit 16.1 June 1, 2022 U.S. Securities and Exchange Commission 100 F Street, NE Washington, DC 20549 Ladies and Gentlemen: We have read Item 4.01 of Form 8-K dated June 1, 2022 of Business First Bancshares, Inc. and are in agreement with the statements therein concerning Dixon Hughes Goodman LLP, BKD, LLP and FORVIS, LLP. We have no basis to agree or disagree

May 4, 2022 10-Q

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, 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: 0

May 3, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of

May 2, 2022 DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934

50019.0002 128649v2 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Conf

May 2, 2022 DEF 14A

Definitive Proxy Statement on Schedule 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of

April 26, 2022 8-K

Regulation FD Disclosure, 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): April 26, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

April 26, 2022 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2022

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 FOR IMMEDIATE RELEASE Misty Albrecht April 26, 2022 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2022 Baton Rouge, La. (April 26, 2022) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, today announ

April 26, 2022 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q1 2022 Results.

Exhibit 99.2

March 1, 2022 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.*

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent Entity b1BANK Louisiana Business First Bancshares, Inc. Coastal Commerce Statutory Trust I Connecticut Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Mississippi b1BANK

March 1, 2022 8-K

Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets, 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): March 1, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (Com

March 1, 2022 10-K

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 ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 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: 001-38447 BUSINES

March 1, 2022 EX-99.1

Business First Bancshares, Inc., Completes Acquisition of Texas Citizens Bancorp, Inc., Expands Business Banking to Houston Market

Exhibit 99.1 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE March 1, 2022 Misty Albrecht b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc., Completes Acquisition of Texas Citizens Bancorp, Inc., Expands Business Banking to Houston Market Baton Rouge, La. ? Business First Bancshares, Inc. (Business First) (Nasdaq: BFS

January 25, 2022 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Fiscal Year 2021 and Q4 2021 Results.

Exhibit 99.2

January 25, 2022 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2021 AND Q4 2021

Exhibit 99.1 FOR IMMEDIATE RELEASE Misty Albrecht January 25, 2022 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2021 AND Q4 2021 Baton Rouge, La. (January 25, 2022) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, today announced its unaudited results fo

January 25, 2022 8-K

Regulation FD Disclosure, 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): January 25, 2022 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number

November 23, 2021 424B3

PROXY STATEMENT/PROSPECTUS MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT

Filed Pursuant to Rule 424(b)3 Registration No. 333-260691 PROXY STATEMENT/PROSPECTUS MERGER PROPOSED ? YOUR VOTE IS VERY IMPORTANT To the Shareholders of Texas Citizens Bancorp, Inc.: On October 20, 2021, Business First Bancshares, Inc., or ?Business First,? and Texas Citizens Bancorp, Inc., or ?TCBI,? entered into an Agreement and Plan of Reorganization, which we refer to as the merger agreement

November 22, 2021 CORRESP

BUSINESS FIRST BANCSHARES, INC.

BUSINESS FIRST BANCSHARES, INC. November 22, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Business First Bancshares, Inc. Request for Accelerated Effectiveness Registration Statement on Form S-4 File No. 333-260691 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as amended, Business First

November 19, 2021 EX-99.2

Form of Proxy for holders of shares of common stock of Texas Citizens Bancorp, Inc.

Exhibit 99.2

November 19, 2021 EX-99.1

Consent of Piper Sandler & Co.

EXHIBIT 99.1 1251 AVENUE OF THE AMERICAS, 6TH FLOOR NEW YORK, NY 10020 P 212 466-7800 | TF 800 635-6851 Piper Sandler & Co. Since 1885. Member SIPC and NYSE. CONSENT OF PIPER SANDLER & CO. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Texas Citizens Bancorp, Inc. (the ?Company?) as an Annex to the Proxy Statement/Prospectus relating to the proposed merger of

November 19, 2021 S-4/A

As filed with the Securities and Exchange Commission on November 19, 2021

Table of Contents As filed with the Securities and Exchange Commission on November 19, 2021 Registration No.

November 19, 2021 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.

EX-21.1 2 ex309346.htm EXHIBIT 21.1 EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent b1BANK Louisiana Business First Bancshares, Inc. Coastal Commerce Statutory Trust I Louisiana Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Mississippi b1BANK

November 4, 2021 10-Q

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 September 30, 2021 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 numbe

November 3, 2021 8-K

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 3, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of incorporation) (

November 3, 2021 EX-99.1

b1BANK Names Saundra Strong as General Counsel

Exhibit 99.1 500 Laurel St. Baton Rouge, LA 70801 P: 225.248.7600 F: 225.248.7650 FOR IMMEDIATE RELEASE Misty Albrecht November 3, 2021 b1BANK 225.286.7879 [email protected] b1BANK Names Saundra Strong as General Counsel Baton Rouge, La. ? Jude Melville, president and CEO of b1BANK, announced Saundra Strong as General Counsel for Business First Bancshares, Inc. (NASDAQ: BFST) (Business Fir

November 2, 2021 S-4

As filed with the Securities and Exchange Commission on November 2, 2021

Table of Contents As filed with the Securities and Exchange Commission on November 2, 2021 Registration No.

November 2, 2021 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent b1BANK Louisiana Business First Bancshares, Inc. Coastal Commerce Statutory Trust I Louisiana Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK Smith Shellnut Wilson, LLC Mississippi b1BANK

November 2, 2021 EX-99.1

Consent of Piper Sandler & Co.

EXHIBIT 99.1 1251 AVENUE OF THE AMERICAS, 6TH FLOOR NEW YORK, NY 10020 P 212 466-7800 | TF 800 635-6851 Piper Sandler & Co. Since 1885. Member SIPC and NYSE. CONSENT OF PIPER SANDLER & CO. We hereby consent to the inclusion of our opinion letter to the Board of Directors of Texas Citizens Bancorp, Inc. (the ?Company?) as an Annex to the Proxy Statement/Prospectus relating to the proposed merger of

October 21, 2021 8-K

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Results of Operations and Financial Condition, 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): October 20, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State or other jurisdiction of incorporation)

October 21, 2021 EX-99.4

Investor Presentation, dated October 21, 2021, for supplemental information relating to the merger.

EX-99.4 6 ex293801.htm EXHIBIT 99.4 Exhibit 99.4

October 21, 2021 EX-99.2

Business First Bancshares, Inc. and Texas Citizens Bancorp, Inc. Announce Merger

Exhibit 99.2 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht October 21, 2021 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. and Texas Citizens Bancorp, Inc. Announce Merger Baton Rouge, La. ? Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the holding company for b1BANK, and Texas C

October 21, 2021 EX-2.1

Agreement and Plan of Reorganization, dated October 20, 2021, by and between Business First Bancshares, Inc., and Texas Citizens Bancorp, Inc. (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K filed by Business First Bancshares, Inc. on October 21, 2021).

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF REORGANIZATION BY AND BETWEEN BUSINESS FIRST BANCSHARES, INC. BATON ROUGE, LOUISIANA AND TEXAS CITIZENS BANCORP, INC. PASADENA, TEXAS DATED AS OF OCTOBER 20, 2021 TABLE OF CONTENTS Article I DEFINITIONS; INTERPRETATION 2 Section 1.01 Definitions 2 Section 1.02 Interpretation 11 Article II THE MERGER 12 Section 2.01 The Merger 12 Section 2.02 Bank

October 21, 2021 EX-99.4

Investor Presentation, dated October 21, 2021, for supplemental information relating to the merger.

EX-99.4 6 ex293776.htm EXHIBIT 99.4 Exhibit 99.4

October 21, 2021 EX-2.1

Agreement and Plan of Reorganization by and between Business First Bancshares, Inc. and TCBI Bancshares, Inc., dated October 20, 2021. †

Exhibit 2.1 EXECUTION VERSION AGREEMENT AND PLAN OF REORGANIZATION BY AND BETWEEN BUSINESS FIRST BANCSHARES, INC. BATON ROUGE, LOUISIANA AND TEXAS CITIZENS BANCORP, INC. PASADENA, TEXAS DATED AS OF OCTOBER 20, 2021 TABLE OF CONTENTS Article I DEFINITIONS; INTERPRETATION 2 Section 1.01 Definitions 2 Section 1.02 Interpretation 11 Article II THE MERGER 12 Section 2.01 The Merger 12 Section 2.02 Bank

October 21, 2021 EX-99.3

Investor Presentation, dated October 21, 2021, for results of operations for the quarter ended September 30, 2021.

Exhibit 99.3

October 21, 2021 EX-99.3

Investor Presentation, dated October 21, 2021, for results of operations for the quarter ended September 30, 2021.

Exhibit 99.3

October 21, 2021 EX-99.2

Business First Bancshares, Inc. and Texas Citizens Bancorp, Inc. Announce Merger

EX-99.2 4 ex293895.htm EXHIBIT 99.2 Exhibit 99.2 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht October 21, 2021 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. and Texas Citizens Bancorp, Inc. Announce Merger Baton Rouge, La. – Business First Bancshares, Inc. (Business First) (Nasdaq: BFST), the hol

October 21, 2021 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2021

EX-99.1 3 ex293961.htm EXHIBIT 99.1 Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht October 21, 2021 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2021 Baton Rouge, La. (October 21, 2021) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company

October 21, 2021 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2021

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht October 21, 2021 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2021 Baton Rouge, La. (October 21, 2021) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, t

October 21, 2021 425

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 20, 2021 BUSINESS FIRST B

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 20, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State or other jurisdiction of incorporation)

August 5, 2021 10-Q

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, 2021 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: 00

July 26, 2021 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q2 2021 Results.

Exhibit 99.2

July 26, 2021 8-K

Regulation FD Disclosure, 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 26, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State of incorporation) (Commission File Number)

July 26, 2021 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2021

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht July 26, 2021 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2021 Baton Rouge, La. (July 26, 2021) ? Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, today a

June 29, 2021 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 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: 001-38447 b1BANK Employe

June 4, 2021 CORRESP

BUSINESS FIRST BANCSHARES, INC.

BUSINESS FIRST BANCSHARES, INC. June 4, 2021 VIA EDGAR Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Sonia Bednarowski Re: Business First Bancshares, Inc. Request for Accelerated Effectiveness Registration Statement on Form S-3 File No. 333-256605 Ladies and Gentlemen: Pursuant to Rule 461 under the Securities Act of 1933, as

May 28, 2021 S-3

As filed with the Securities and Exchange Commission on May 28, 2021

Table of Contents As filed with the Securities and Exchange Commission on May 28, 2021 Registration No.

May 27, 2021 8-K

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): May 27, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (I

May 6, 2021 10-Q

Quarterly Report - 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, 2021 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: 0

April 22, 2021 8-K

Regulation FD Disclosure, 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): April 22, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State of incorporation) (Commission File Number)

April 22, 2021 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q1 2021 Results.

Exhibit 99.2

April 22, 2021 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2021

EX-99.1 2 ex242739.htm EXHIBIT 99.1 Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht April 22, 2021 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q1 2021 Baton Rouge, La. (April 22, 2021) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b

April 15, 2021 DEF 14A

- FORM DEF 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confid

April 15, 2021 DEFA14A

- FORM DEFA14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 14A (Rule 14a-101) INFORMATION REQUIRED IN PROXY STATEMENT SCHEDULE 14A INFORMATION Proxy Statement pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ? Filed by a Party other than the Registrant ? Check the appropriate box: ? Preliminary Proxy Statement ? Confidential, for Use of

March 31, 2021 EX-99.1

Business First Bancshares, Inc. and b1BANK Announce the Appointment of New Board Member Drew Brees

Exhibit 99.1 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht March 31, 2021 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. and b1BANK Announce the Appointment of New Board Member Drew Brees Baton Rouge, La. ? Business First Bancshares, Inc. (Nasdaq: BFST) and b1BANK announced today the addition of Dr

March 31, 2021 8-K

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): March 31, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 26, 2021 EX-10.1

Form of Subordinated Note Purchase Agreement by and among Business First Bancshares, Inc. and the Purchasers named therein

Exhibit 10.1 SUBORDINATED NOTE PURCHASE AGREEMENT Dated as of March 26, 2021 by and among BUSINESS FIRST BANCSHARES, INC. and THE PURCHASERS NAMED HEREIN TABLE OF CONTENTS Page ARTICLE 1 PURCHASE; CLOSING 1 1.1 Purchase. 1 1.2 Closing. 1 ARTICLE 2 REPRESENTATIONS AND WARRANTIES 3 2.1 Disclosure. 3 2.2 Representations and Warranties of the Company. 4 2.3 Representations and Warranties of Each Purch

March 26, 2021 EX-99.2

Business First Bancshares, Inc. Completes Private Placement of $52.5 Million in Subordinated Notes

EX-99.2 5 ex237134.htm EXHIBIT 99.2 Exhibit 99.2 500 Laurel Street Baton Rouge, LA 70801 FOR IMMEDIATE RELEASE Misty Albrecht March 26, 2021 b1BANK 225.248.7635 [email protected] Business First Bancshares, Inc. Completes Private Placement of $52.5 Million in Subordinated Notes Baton Rouge, La. – Business First Bancshares, Inc. (“Business First”) (NASDAQ: BFST), the holding company for b1BA

March 26, 2021 EX-4.1

Form of Subordinated Note

EX-4.1 2 ex237131.htm EXHIBIT 4.1 Exhibit 4.1 FORM OF SUBORDINATED NOTE BUSINESS FIRST BANCSHARES, INC. THIS OBLIGATION IS NOT A DEPOSIT AND IS NOT INSURED BY THE UNITED STATES OR ANY AGENCY OR FUND OF THE UNITED STATES, INCLUDING THE FEDERAL DEPOSIT INSURANCE CORPORATION. THIS OBLIGATION IS SUBORDINATED TO THE CLAIMS OF GENERAL AND SECURED CREDITORS OF THE COMPANY, IS INELIGIBLE AS COLLATERAL FOR

March 26, 2021 8-K

Regulation FD Disclosure, 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): March 26, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 26, 2021 EX-99.1

Business First Bancshares, Inc. Investor Presentation regarding the Private Placement of Subordinated Notes, dated March 2021

Exhibit 99.1

March 22, 2021 EX-99.1

Business First Bancshares, Inc. Announce Acquisition of Smith Shellnut Wilson, LLC

EX-99.1 2 ex235899.htm EXHIBIT 99.1 Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 FOR IMMEDIATE RELEASE Misty Albrecht March 22, 2021 b1BANK 225.248.7635 [email protected] Business First Bancshares, Inc. Announce Acquisition of Smith Shellnut Wilson, LLC Baton Rouge, LA – Business First Bancshares, Inc. (Business First) (NASDAQ: BFST), the holding company for b1BANK, and Smith Shell

March 22, 2021 8-K

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): March 22, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 18, 2021 EX-99.1

Business First Bancshares, Inc. and b1BANK Announce the Appointment of New Board Member John Ducrest

EX-99.1 2 ex235170.htm EXHIBIT 99.1 Exhibit 99.1 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht March 18, 2021 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. and b1BANK Announce the Appointment of New Board Member John Ducrest Baton Rouge, La. – Business First Bancshares, Inc. (Nasdaq: BFST) and b1B

March 18, 2021 8-K

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): March 18, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

March 5, 2021 10-K

Annual Report - FORM 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 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: 001-38447 BUSINES

March 5, 2021 EX-21.1

List of subsidiaries of Business First Bancshares, Inc.*

EXHIBIT 21.1 SUBSIDIARIES OF BUSINESS FIRST BANCSHARES, INC. Name Jurisdiction of Incorporation Parent Entity b1BANK Coastal Commerce Statutory Trust I Louisiana Louisiana Business First Bancshares, Inc. Business First Bancshares, Inc. Business First Insurance, LLC Louisiana b1BANK

March 5, 2021 EX-10.17

Supplemental Executive Retirement Plan Participation Agreement, dated as of October 20, 2009, between b1BANK and Philip Jordan (incorporated by reference to Exhibit 10.17 to the Annual Report on Form 10-K filed by Business First Bancshares, Inc. on March 5, 2021).

EX-10.17 4 ex230119.htm EXHIBIT 10.17 Exhibit 10.17 BUSINESS FIRST BANK “Supplemental Executive Retirement Plan” Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and Business First Bank, the (“Plan Sponsor”). The Plan Sponsor and the Eligible Employee hereby agree

March 5, 2021 EX-10.16

Supplemental Executive Retirement Plan Participation Agreement, dated as of October 20, 2009, between b1BANK and David R. Melville, III (incorporated by reference to Exhibit 10.16 to the Annual Report on Form 10-K filed by Business First Bancshares, Inc. on March 5, 2021).

EX-10.16 3 ex230118.htm EXHIBIT 10.16 Exhibit 10.16 BUSINESS FIRST BANK “Supplemental Executive Retirement Plan” Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and Business First Bank, the (“Plan Sponsor”). The Plan Sponsor and the Eligible Employee hereby agree

March 5, 2021 EX-4.3

Description of Securities Registered under Section 12 of the Exchange Act (incorporated by reference to Exhibit 4.3 to the Annual Report on Form 10-K filed by Business First Bancshares, Inc. on March 5, 2021). Instruments defining the rights of the long-term debt securities of Business First Bancshares, Inc. and its subsidiaries are omitted pursuant to section (b)(4)(iii)(A) of Item 601 of Regulation S-K. Business First Bancshares, Inc. hereby agrees to furnish copies of these instruments to the SEC upon request.

Exhibit 4.3 DESCRIPTION OF SECURITIES REGISTERED UNDER SECTION 12 OF THE EXCHANGE ACT. Our common stock on the Nasdaq Global Select Market under the symbol ?BFST?. The following description of the terms of our common stock is not complete and is qualified in its entirety by reference to our Amended and Restated Articles of Incorporation (the ?Articles of Incorporation?), and our Amended and Restat

February 12, 2021 SC 13G/A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Business First Bancshares, Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

January 25, 2021 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2020 AND Q4 2020

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht January 25, 2021 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR FISCAL YEAR 2020 AND Q4 2020 Baton Rouge, La. (January 25, 2021) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Bato

January 25, 2021 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q4 2020 Results.

EX-99.2 3 ex222046.htm EXHIBIT 99.2 Exhibit 99.2

January 25, 2021 8-K

Regulation FD Disclosure, 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): January 25, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State of incorporation) (Commission File Numbe

January 13, 2021 EX-10.2

Supplemental Executive Retirement Plan, adopted as of August 1, 2009, by Business First Bank (incorporated by reference to Exhibit 10.2 to the Current Report on Form 8-K filed by Business First Bancshares, Inc. on January 13, 2021).

EX-10.2 3 ex220845.htm EXHIBIT 10.2 Exhibit 10.2 SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN This Supplemental Executive Retirement Plan (the "Plan") is adopted as of August 1, 2009 by Business First Bank, a banking corporation organized under the laws of the State of Louisiana, hereinafter referred to as the "Plan Sponsor." WITNESSETH: WHEREAS, the Plan Sponsor desires to adopt an unfunded nonqualifie

January 13, 2021 8-K

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): January 7, 2021 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number)

January 13, 2021 EX-10.1

Supplemental Executive Retirement Plan Participation Agreement, dated as of January 7, 2021, between b1BANK and Gregory Robertson (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by Business First Bancshares, Inc. on January 13, 2021).

EX-10.1 2 ex220844.htm EXHIBIT 10.1 Exhibit 10.1 b1BANK “Supplemental Executive Retirement Plan” Participation Agreement (Please read carefully, sign where indicated and complete Personal Data Section) THIS AGREEMENT is entered into by and between the undersigned Eligible Employee and b1BANK (formerly known as Business First Bank), the (“Plan Sponsor”). The Plan Sponsor and the Eligible Employee h

November 6, 2020 10-Q

Quarterly Report - 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 September 30, 2020 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 numbe

October 22, 2020 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition - FORM 8-K

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 22, 2020 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State of incorporation) (Commission File Numbe

October 22, 2020 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q3 2020 Results.

Exhibit 99.2

October 22, 2020 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2020

Exhibit 99.1 500 Laurel Street Baton Rouge, LA 70801 Phone: 877.614.7600 FOR IMMEDIATE RELEASE Misty Albrecht October 22, 2020 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q3 2020 Baton Rouge, La. (October 22, 2020) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, t

September 25, 2020 8-K

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 24, 2020 BUSINESS FIRST

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 24, 2020 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Numb

September 25, 2020 EX-99.1

Business First Bancshares, Inc. Announces the Appointment of a New Board Member

Exhibit 99.1 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht Sept. 25, 2020 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces the Appointment of a New Board Member Baton Rouge, La. – b1BANK President and CEO Jude Melville announced today the addition of Carol Calkins to the board of directors

August 10, 2020 10-Q

Quarterly Report - 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, 2020 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: 00

July 29, 2020 EX-99.1

BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2020

Exhibit 99.1 FOR IMMEDIATE RELEASE Misty Albrecht July 29, 2020 b1BANK 225.286.7879 [email protected] BUSINESS FIRST BANCSHARES, INC., ANNOUNCES FINANCIAL RESULTS FOR Q2 2020 Baton Rouge, La. (July 29, 2020) – Business First Bancshares, Inc. (NASDAQ: BFST) (Business First), parent company of b1BANK, Baton Rouge, Louisiana, today announced its unaudited results for the quarter ended June 30

July 29, 2020 EX-99.2

Business First Bancshares, Inc. Investor Presentation, Q2 2020 Results.

EX-99.2 3 ex195803.htm EXHIBIT 99.2 Exhibit 99.2

July 29, 2020 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMMISSION 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 29, 2020 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 333-200112 20-5340628 (State of incorporation) (Commission File Number)

July 21, 2020 EX-99.1

Business First Bancshares, Inc. Announces the Appointment of a New Board Member

Exhibit 99.1 500 Laurel Street Baton Rouge, Louisiana 70801 P: 225-248-7600 F: 225-248-7650 FOR IMMEDIATE RELEASE Misty Albrecht July 21, 2020 b1BANK 225.286.7879 [email protected] Business First Bancshares, Inc. Announces the Appointment of a New Board Member Baton Rouge, La. – b1BANK President and CEO Jude Melville announced today the addition of Keith Tillage to the board of directors o

July 21, 2020 8-K

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): July 17, 2020 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State of incorporation) (Commission File Number) (

July 1, 2020 8-K/A

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

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): May 1, 2020 BUSINESS FIRST BANCSHARES, INC. (Exact name of registrant as specified in its charter) Louisiana 001-38447 20-5340628 (State or other jurisdiction of i

July 1, 2020 EX-99.3

UNAUDITED PRO FORMA COMBINED CONSOLIDATED FINANCIAL INFORMATION

Exhibit 99.3 UNAUDITED PRO FORMA COMBINED CONSOLIDATED FINANCIAL INFORMATION The following unaudited pro forma condensed combined financial statements are based on the historical consolidated financial statements of Business First Bancshares, Inc. (“Business First”) and Pedestal Bancshares, Inc. (“Pedestal”) and are adjusted to give to the effect to the merger of Pedestal with and into Business Fi

July 1, 2020 EX-99.2

PEDESTAL BANCSHARES, INC. AND SUBSIDIARIES Financial Report Year Ended December 31, 2019 and 2018

Exhibit 99.2 PEDESTAL BANCSHARES, INC. AND SUBSIDIARIES Financial Report Year Ended December 31, 2019 and 2018 TABLE OF CONTENTS Page INDEPENDENT AUDITOR'S REPORT 1-2 Consolidated balance sheets 3 Consolidated statements of income 4 Consolidated statements of comprehensive income 5 Consolidated statements of changes in stockholders' equity 6 Consolidated statements of cash flows 7 Notes to consoli

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