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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)
May 15, 2020
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 North Meramec Avenue, 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:
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Title of each class |  | Trading Symbol(s) |  | Name of each exchange on which registered
Common Stock, par value $0.01 per share |  | EFSC |  | Nasdaq Global Select Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Information.
On May 15, 2020, Enterprise Financial Services Corp (the “Company”) filed a preliminary prospectus supplement for an underwritten public offering of the Company’s fixed-to-floating rate subordinated notes due 2030 (the “Notes”).
A copy of the investor presentation being used in connection with the offering of the Notes is attached as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.
The offering of Notes is being made pursuant to the Company’s effective shelf registration statement on Form S-3 (Registration No. 333-237612) previously filed with the Securities and Exchange Commission. Any offer or sale of the Notes will be made only by means of a prospectus supplement relating to the offering and the accompanying prospectus.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits.

Exhibit Number | Description
99.1 | Investor Presentation
104 | The cover page of this Current Report on Form 8-K, formatted in Inline XBRL

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
Date: | May 15, 2020 |  | By: | /s/ Troy R. Dumlao
|  |  |  | Troy R. Dumlao
|  |  |  | Senior Vice President and Chief Accounting Officer