Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Francoeur John
   2. Issuer Name and Ticker or Trading Symbol
MB FINANCIAL INC /MD [MBFI] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Accounting Officer
(Last)
(First)
(Middle)
C/O MB FINANCIAL, INC., 6111 NORTH RIVER ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
02/22/2018
(Street)

ROSEMONT, IL 60018		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 02/22/2018   M   372 (1) A $ 41.58 7,170 D  
Common Stock 02/22/2018   M   157 (1) A $ 41.58 7,327 D  
Common Stock 02/22/2018   F   263 (2) D $ 41.58 7,064 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Units $ 0 02/22/2018   M     372 (1)   (3)   (3) Common Stock 372 $ 0 372 D  
Restricted Stock Units $ 0 02/22/2018   M     157 (1)   (4)   (4) Common Stock 157 $ 0 470 D  
Stock Option (Right to Buy) $ 30.33             02/24/2017(5) 02/24/2026(5) Common Stock 1,458   1,458 D  
Restricted Stock Units $ 0               (6)   (6) Common Stock 210   210 D  
Restricted Stock Units $ 0               (7)   (7) Common Stock 996   996 D  
Stock Option (Right to Buy) $ 45.67               (8)   (8) Common Stock 750   750 D  
Performance Share Units $ 0               (9)   (9) Common Stock 784   784 D  
Stock Option (Right to Buy) $ 27.09             08/28/2014(10) 08/28/2023 Common Stock 365   365 D  
Stock Option (Right to Buy) $ 29.8             02/26/2015(11) 02/26/2024 Common Stock 379   379 D  
Stock Option (Right to Buy) $ 31.26             02/25/2016(12) 02/25/2025 Common Stock 577   577 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Francoeur John
C/O MB FINANCIAL, INC.
6111 NORTH RIVER ROAD
ROSEMONT, IL 60018		       Chief Accounting Officer  

Signatures

 /s/ Doria L. Koros, attorney-in-fact for Mr. Francoeur   02/26/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Transaction represents settlement of restricted stock units.
(2) Transaction represents withholding of shares to satisfy tax withholding obligation upon settlement of restricted stock units.
(3) Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan. One-half of the restricted stock units are scheduled to vest on February 22, 2018 and one-half of the restricted stock units are scheduled to vest on February 22, 2019.
(4) Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. The restricted stock units vest annually over 4 years (25% per year beginning February 22, 2018).
(5) Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning February 24, 2017).
(6) Restricted stock units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan. One-half of the restricted stock units are scheduled to vest on February 24, 2017 and one-half of the restricted stock units are scheduled to vest on February 24, 2018.
(7) Restricted Stock Units granted to the reporting person under the Issuer's Amended and Restated Omnibus Incentive Plan equal to the same amount of shares of common stock. The restricted stock units vest annually over 4 years (25% per year beginning February 24, 2017).
(8) Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning February 22, 2018).
(9) Performance based vesting
(10) Option to purchase shares of common stock granted to reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning on August 28, 2014).
(11) Option to purchase shares of common stock granted to the reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. the option vests annually over 4 years (25% per year beginning February 26, 2015).
(12) Option to purchase shares of common stock granted to the reporting person under Issuer's Amended and Restated Omnibus Incentive Plan. The option vests annually over 4 years (25% per year beginning on February 25, 2016).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.