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 21, 2009

ENTERPRISE FINANCIAL SERVICES
CORP
(Exact name of registrant as specified in its charter)

Delaware  001-15373  43-1706259 
(State or Other Jurisdiction  (Commission  (IRS Employer 
of Incorporation)  File Number)  Identification No.) 

150 N. Meramec, St. Louis, Missouri  63105 
(Address of principal executive offices)  (Zip Code) 

Registrant’s telephone number, including area code 
(314) 725-5500 
 
Not applicable
(Former name or former address, if changed since last report) 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



ITEM 8.01 Other Events

On April 21, 2009, Registrant issued a press release announcing it intends to release earnings for its first quarter ended March 31, 2009 on or before May 11, 2009. The Company had originally intended to make its release on April 21, 2009.

ITEM 9.01 Financial Statements and Exhibits

(c) Exhibits

Exhibit No.          Description 
99.1  Press Release dated April 21, 2009 


SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereto duly authorized.

Date: April 21, 2009

ENTERPRISE FINANCIAL SERVICES CORP 
 
 
 
/s/Deborah N. Barstow   
Deborah N. Barstow 
Senior Vice President & Controller 



INDEX TO EXHIBITS 
 
Exhibit No.         Description   
99.1  Press Release dated April 21, 2009* 

*This exhibit is furnished to, but not filed with, the Commission by inclusion herein.