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 10, 2007

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© under the Exchange Act (17 CFR 240.13e-4(c))

 

ITEM 8.01 OTHER EVENTS

On October 10, 2007, Enterprise Financial Services Corp issued a press release announcing that it intends to expand its banking and wealth management businesses to Phoenix, Arizona, pending approval of an application to be filed for a de novo banking charter with the Arizona Department of Financial Institutions.

ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS

(d) Exhibits

Exhibit No.   Description 
99.1                   Press Release dated October 10, 2007 

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: October 10, 2007

ENTERPRISE FINANCIAL SERVICES CORP 
 
/s/ Kevin C. Eichner 
  
  
Kevin C. Eichner 
Chief Executive Officer 

 INDEX TO EXHIBITS 
 
Exhibit No.    Description   
99.1    Press Release dated October 10, 2007* 

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