Simmons First National Corporation Business Finance Contracts & Agreements

Form of Non-Employee Director Restricted Stock Unit Award Agreement (2023 Plan for awards on or after April 18, 2023) (Filed With SEC on August 4, 2023)

Form of Associate Restricted Stock Unit Award Agreement (2023 Plan for awards on or after May 23, 2023) (Filed With SEC on August 4, 2023)

Form of Associate Restricted Stock Unit Award Certificate and Terms and Conditions (2015 Plan - 2023) (Filed With SEC on May 5, 2023)

Form of Associate Restricted Stock Unit Award Certificate and Terms and Conditions (2022) (Filed With SEC on May 6, 2022)

Form of Director Restricted Stock Unit Award Certificate and Terms and Conditions (2022) (Filed With SEC on May 6, 2022)

Form of Associate Restricted Stock Unit Award Certificate and Terms and Conditions (Filed With SEC on February 25, 2021)

Form of Director Restricted Stock Unit Award Certificate and Terms and Conditions (Filed With SEC on February 25, 2021)

Branch Purchase and Assumption Agreement, dated as of February 10, 2020, by and between First Western Trust Bank and Simmons Bank (Filed With SEC on February 10, 2020)

Branch Purchase and Assumption Agreement, dated as of December 20, 2019, by and between Spirit of Texas Bank, SSB and Simmons Bank (Filed With SEC on December 23, 2019)

Second Amendment to Revolving Credit Agreement, dated as of December 27, 2018, by and between Simmons First National Corporation and U.S. Bank National Association (Filed With SEC on December 28, 2018)

First Amendment to Revolving Credit Agreement and Revolving Credit Note, dated as of October 5, 2018, by and between Simmons First National Corporation and U.S. Bank National... (Filed With SEC on October 5, 2018)

Underwriting Agreement, dated as of March 21, 2016, by and among Simmons First National Corporation and Sandler ONeill & Partners, L.P., as representative of the underwriters... (Filed With SEC on March 26, 2018)

Subordinated Indenture, dated as of March 26, 2018, by and between Simmons First National Corporation and Wilmington Trust, National Association, as Trustee (Filed With SEC on March 26, 2018)

First Supplemental Indenture, dated as of March 26, 2018, by and between Simmons First National Corporation and Wilmington Trust, National Association, as Trustee (Filed With SEC on March 26, 2018)

Indenture, dated as of June 26, 2003, between Southwest Bancorp, Inc. and U.S. Bank National Association relating to subordinated debentures due June 26, 2033 (Filed With SEC on October 20, 2017)

First Supplemental Indenture, dated as of October 19, 2017, to Indenture, dated June 26, 2003, between Simmons First National Corporation, Southwest Bancorp, Inc. and U.S. Bank... (Filed With SEC on October 20, 2017)

Indenture, dated as of October 14, 2003, between Southwest Bancorp, Inc. and Wells Fargo Bank, National Association relating to subordinated debentures due October 7, 2033 (Filed With SEC on October 20, 2017)

First Supplemental Indenture, dated as of October 19, 2017, to Indenture, dated October 14, 2003, between Simmons First National Corporation, Southwest Bancorp, Inc. and Wells... (Filed With SEC on October 20, 2017)

Indenture, dated as of August 13, 2007, between First Texas BHC, Inc. and Wilmington Trust Company, as trustee, relating to subordinated debentures due 2037 (Filed With SEC on October 20, 2017)

First Supplemental Indenture, dated as of October 19, 2017, to Indenture, dated August 13, 2007, between Simmons First National Corporation, First Texas BHC, Inc. and Wilmington... (Filed With SEC on October 20, 2017)

Form of First Texas BHC, Inc. Floating Rate Subordinated Promissory Note Due 2023 (Filed With SEC on October 20, 2017)

Revolving Credit Agreement, dated as of October 6, 2017, by and between Simmons First National Corporation and U.S. Bank National Association (Filed With SEC on October 11, 2017)

Revolving Credit Note, dated October 6, 2017, by Simmons First National Corporation in favor of U.S. Bank National Association (Filed With SEC on October 11, 2017)

STOCK PURCHASE AGREEMENT by and among CITIZENS NATIONAL BANK, CITIZENS NATIONAL BANCORP, INC. and SIMMONS FIRST NATIONAL CORPORATION (Filed With SEC on May 19, 2016)

Exhibit 4.3 Indenture, dated as of September 10, 2007, between Community First Bancshares, Inc., and Wilmington Trust Company, as trustee, relating to subordinated debentures due... (Filed With SEC on March 6, 2015)

Exhibit 10.1 Small Business Lending Fund Securities Purchase Agreement, dated as of August 18, 2011, between the United States Department of the Treasury and Community First... (Filed With SEC on March 6, 2015)

Exhibit 10.2 Assignment and Assumption of Liabilities Agreement, dated February 27, 2015 between Simmons First National Corporation and Community First Bancshares, Inc. (Filed With SEC on March 6, 2015)

Exhibit 4.3 Indenture, dated as of September 10, 2007, between Community First Bancshares, Inc., and Wilmington Trust Company, as trustee, relating to subordinated debentures due... (Filed With SEC on March 5, 2015)

Exhibit 10.1 Small Business Lending Fund Securities Purchase Agreement, dated as of August 18, 2011, between the United States Department of the Treasury and Community First... (Filed With SEC on March 5, 2015)

Exhibit 10.2 Assignment and Assumption of Liabilities Agreement, dated February 27, 2015 between Simmons First National Corporation and Community First Bancshares, Inc. (Filed With SEC on March 5, 2015)

Specimen Preferred Stock Certificate of Simmons First National Corporation [See attached.] (Filed With SEC on July 29, 2014)

STOCK PURCHASE AGREEMENT by and between SIMMONS FIRST NATIONAL CORPORATION and ROGERS BANCSHARES, INC. Dated as of September 10, 2013 TABLE OF CONTENTS (Filed With SEC on September 17, 2013)

AMENDED AND RESTATED TRUST AGREEMENT (Filed With SEC on February 26, 2004)

GUARANTEE AGREEMENT (Filed With SEC on February 26, 2004)

JUNIOR SUBORDINATED INDENTURE (Filed With SEC on February 26, 2004)