COMMERCE BANCSHARES INC /MO/ — Director's Dealing 2011

Feb 7, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMMERCE BANCSHARES INC /MO/ (CBSH)
CIK: 0000022356
Period of Report: 2011-02-03

Reporting Person: BARTH KEVIN G (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-02-03	Common Stock	M	18612	$27.3314	Acquired	50319	Direct
2011-02-03	Common Stock	S	18612	$40.646	Disposed	31707	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-02-03	Non-qualified Stock Option (Right to Buy)	$27.3314	M	18612	Disposed	2012-03-07	Common Stock (18612)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	19045	Indirect
Common Stock	8409	Indirect
Common Stock	14235	Indirect

Footnotes

F1: Range of sales prices is $40.60 to $40.69 per share.