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) February 15, 2013

MB FINANCIAL, INC.
Maryland	0-24566-01	364460265
(State or other jurisdiction	(Common File No.)	(IRS Employer
of incorporation)		Identification Number)

800 West Madison Street, Chicago, Illinois	60607
(Address of principal executive offices)	(Zip Code)
Registrant's telephone number, including area code:  (888) 422-6562
N/A
(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))

Item 8.01  Other Events

On February 15, 2013, MB Financial, Inc. issued the press release attached hereto as Exhibit 99.1, announcing the date, time and place of its upcoming annual meeting of stockholders.

Item 9.01  Financial Statements and Exhibits

(d)           Exhibits

                99.1        Press release dated February 15, 2013

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 hereunto duly authorized.

	MB FINANCIAL, INC.
Date: February 15, 2013	By:	/s/Jill E. York
		Jill E. York
		Vice President and Chief Financial Officer