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 | --- | --- | --- | |--------------------------------------------------|------------------------------------------ ...

Table of contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ________________________________________________________ For the Fiscal Year Ended 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 No. 001-3650 ...

COMMERCE BANCSHARES, INC. EARNINGS HIGHLIGHTS 4th Quarter 2020 CAUTIONARY STATEMENT | --- | --- | |-------------------------------------------------------------------------------------------------|--------------------------------------| | | | | A number of statements we will be making in our presentation | and in the | | accompanying slides are "forward -looking statements" within the meaning | of the Private | | Securities Litigation Reform Act of 1995, such as statements of the | Corporation's plans, | | ...

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 | --- | --- | --- | |--------------------------------------------------|-------------------------------------- ...

INVESTOR UPDATE 3 rd Quarter 2020 Embracing a Growth Mindset COMMERCE BANCSHARES, INC. nmerce Bancshares, Inc. CAUTIONARY STATEMENT 2 2 A number of statements we will be making in our presentation and in the accompanying slides are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, such as statements of the Corporation's plans, goals, objectives, expectations, projections, estimates and intentions. These forward- looking statements involve significant ri ...

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 No. ...

INVESTOR UPDATE 2 nd Quarter 2020 Embracing a Growth Mindset COMMERCE BANCSHARES, INC. nmerce Bancshares, Inc. CAUTIONARY STATEMENT 2 2 | --- | --- | |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- ...

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, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | --- | --- | --- | --- | |--------------------------------------------------------------------------------------- ...

INVESTOR UPDATE 1 st Quarter 2020 Embracing a Growth Mindset COMMERCE BANCSHARES, INC. CAUTIONARY STATEMENT 2 2 | --- | --- | |--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------- ...

Table of contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K (Mark One) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 ________________________________________________________ For the Fiscal Year Ended December 31, 2019 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 No. 0-2989 C ...