MB Financial DEFA14A Additional proxy soliciting materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES

EXCHANGE ACT OF 1934

(AMENDMENT NO. )

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MB Financial, Inc.
(Name of Registrant as Specified in Its Charter)
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*** Exercise YourRightto Vote ***
Important Notice Regarding the Availability of Proxy Materials for the
Shareholder Meeting to Be Held on May 27, 2015
		Meeting Information
	MB FINANCIAL, INC.	Meeting Type:		Annual Meeting
		For holders as of:		March 27, 2015
		Date:  May 27, 2015		Time:     8:30 a.m., CDT
		Location:	MB Financial Center
			6111 North River Road
			Rosemont, Illinois 60018
		You are receiving this communication because you hold shares in the company named above.
	MB FINANCIAL, INC. 6111 N. RIVER RD. ROSEMONT, IL 60018	This is not a ballot.  You cannot use this notice to vote these shares.  This communication presents only an overview of the more complete proxy materials that are available to you on the Internet.  You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side).
		We encourage you to access and review all of the important information contained in the proxy materials before voting.
		See the reverse side of this notice to obtain proxy materials and voting instructions.

- Before You Vote -

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:
NOTICE AND PROXY STATEMENT      FORM 10-K
How to View Online:
Have the information that is printed in the box marked by the arrow à			XXXX XXXX XXXX
(located on the following page) and visit: www.proxyvote.com.
How to Request and Receive a PAPER or E-MAIL Copy:
If you want to receive a paper or e-mail copy of these documents, you must request one.  There is NO charge
for requesting a copy. You can also request paper or e-mail copies for all future shareholder meetings.
Please choose one of the following methods to make your request:
1) BY INTERNET:        www.proxyvote.com
2) BY TELEPHONE:     1-800-579-1639
3) BY E-MAIL*:           sendmaterial@proxyvote.com
*  If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked
by the arrow à	XXXX XXXX XXXX	(located on the following page) in the subject line.
Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment
advisor.  Please make the request as instructed above on or before May 13, 2015 to facilitate timely delivery.

- How to Vote -

Please Choose One of the Following Voting Methods

Vote In Person:  Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting.  Please check the meeting materials for any special requirements for meeting attendance.  At the meeting, you will need to request a ballot to vote these shares.
Vote By Internet:  To vote now by Internet, go to www.proxyvote.com.  Have the information that is printed in the box
marked by the arrow à	XXXX XXXX XXXX	(located on the following page) available and follow the instructions.
Vote By Mail:  You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

VotingItems
The Board of Directors recommends you vote FOR the following:
1.	Election of Directors
	1a.	David P. Bolger
	1b.	C. Bryan Daniels
	1c.	Mitchell Feiger
	1d.	Charles J. Gries
	1e.	James N. Hallene
	1f.	Thomas H. Harvey
	1g.	Richard J. Holmstrom
	1h.	Karen J. May
	1i.	Ronald D. Santo
	1j.	Jennifer W. Steans
	1k.	Renee Togher
The Board of Directors recommends you vote FOR proposals 2 and 3.
2.	Advisory (non-binding) vote on executive compensation.
3.	Ratification of the appointment of McGladrey LLP as the Company's independent registered public accounting firm for the year ending December 31, 2015.