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

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1. Name and Address of Reporting Person * OMEARA ROBERT P   2. Issuer Name and Ticker or Trading Symbol FIRST MIDWEST BANCORP INC [FMBI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE PIERCE PLACE, SUITE 1500 3. Date of Earliest Transaction (Month/Day/Year) 09/16/2005 (Street) ITASCA, IL 60143 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 09/16/2005   M(1)   28,795 A $ 26.255 310,660 D   Common Stock 09/16/2005   M(2)   26,346 A $ 28.695 337,006 D   Common Stock 09/16/2005   F(1)   23,269 D $ 0 313,737 D   Common Stock 09/16/2005   F(2)   22,524 D $ 0 291,213 D   Common Stock 09/16/2005   M(3)   2,889 A $ 32.715 294,102 D   Common Stock 09/16/2005   F(3)   2,513 D $ 0 291,589 D   Common Stock               30,468 I By IRA Common Stock               198,436 I By NQ Stock Option Gain Deferral Plan Tr Common Stock               153,287 I By Spouse

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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

Non-Qualified Stock Option (right to buy)

$ 28.695

09/16/2005

M(2)

26,346

(4)

02/20/2012

Common Stock

26,346

$ 0

0

D

Non-Qualified Stock Option (right to buy)

$ 26.255

09/16/2005

M(1)

28,795

(5)

02/19/2013

Common Stock

28,795

$ 0

28,794

D

Non-Qualified Stock Option (right to buy)

$ 32.715

09/16/2005

M(3)

2,889

02/24/2005

02/24/2014

Common Stock

2,889

$ 0

0

D

Non-Qualified Stock Option (right to buy)

$ 37.615

09/16/2005

A(6)

2,513

03/16/2006

02/24/2014

Common Stock

2,513

$ 0

2,513

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
OMEARA ROBERT P ONE PIERCE PLACE, SUITE 1500 ITASCA, IL 60143	X

Signatures

By: Andrea L. Stangl, Attorney-in-fact for		09/19/2005
**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)	The transaction represents the exercise of 28,795 stock options under the Omnibus Stock & Incentive Plan whereby 23,269 previously acquired shares were tendered as payment of the exercise price and tax liability with the resulting value realized being issued to the reporting person in the form of 5,526 shares.
(2)	The transaction represents the exercise of 26,346 stock options under the Omnibus Stock & Incentive Plan whereby 22,524 previously acquired shares were tendered as payment of the exercise price and tax liability with the resulting value realized being issued to the reporting person in the form of 3,822 shares.
(3)	The transaction represents the exercise of 2,889 stock options under the Non-Employee Directors' Stock Option Plan whereby 2,513 previously acquired shares were tendered as payment of the exercise price with the resulting value realized being issued to the reporting person in the form of 376 shares.
(4)	The stock option vests in two equal annual installments beginning on February 20, 2004.
(5)	The stock option vests in two equal annual installments beginning on February 19, 2005.
(6)	The transaction represents a reload stock option granted under the Non-Employee Directors' Stock Option Plan to replace the number of shares tendered in the option exercised on 9/16/05.

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