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)
October 13, 2009

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

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

150 N. Meramec, St. Louis, Missouri
(Address of principal executive offices)		 63105
(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 October 13, 2009, Enterprise Financial Services Corp announced a delay in the release of its earnings for the third quarter which was originally scheduled for October 13, 2009.

Item 9.01 Financial Statements and Exhibits.

(a)        Not applicable.
(b) Not applicable.
(c) Not applicable.
(d) Exhibits.
 
            Exhibit  
Number        Description  
99.1 Press Release dated October 13, 2009

SIGNATURES

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 thereunto duly authorized.

       ENTERPRISE FINANCIAL SERVICES CORP. 
  
 
By:
 
Date: October 13, 2009             /s/ Deborah N. Barstow 
                  Deborah N. Barstow 
                Senior Vice President and Controller 

INDEX TO EXHIBITS

Exhibit No.      Description  
99.1   Press Release dated October 13, 2009*

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