ENTERPRISE FINANCIAL SERVICES CORP — Director's Dealing 2016

May 3, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ENTERPRISE FINANCIAL SERVICES CORP (EFSC)
CIK: 0001025835
Period of Report: 2016-04-29

Reporting Person: MARSH STEPHEN P (Chairman Chief Credit Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-04-29	Common Stock	J	5062	—	Disposed	0	Direct
2016-04-29	Common Stock	M	1523	—	Acquired	1523	Direct
2016-04-29	Common Stock	F	509	$27.37	Disposed	1014	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-04-29	Restricted Share Units	$	M	1523	Disposed		Common Stock (1523)	Direct
2016-05-02	Restricted Share Units	$	A	1858	Acquired		Common Stock (1858)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	85651	Indirect

Footnotes

F1: Represents shares of restricted stock that were forfeited in connection with the reporting person's retirement.

F2: Withholding of stock to satisfy tax withholding obligation on issuance of common stock.

F3: The RSUs were granted pursuant to the Company's 2002 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Grant Agreement.

F4: Represents the vesting of RSUs that were accelerated in connection with the reporting person's retirement.

F5: The RSUs were granted pursuant to the Company's 2013 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Grant Agreement.

F6: RSUs will vest 100% on April 30, 2017, provided that the RSUs shall be forfeited if the reporting person ceases to provide services pursuant to Retirement and Consulting Agreement between the Company and the reporting person prior to such date.