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 23, 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 2.02 Results of Operations and Financial Condition.

On October 23, 2009, Enterprise Financial Services Corp issued a press release announcing financial information for its quarter ended September 30, 2009. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The press release and the information included in this Item 2.02 shall not be deemed “filed” with the Commission.

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 23, 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 23, 2009             /s/ Deborah N. Barstow 
                  Deborah N. Barstow 
                Senior Vice President and Controller