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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
SANTI ERNEST SCOTT
  2. Issuer Name and Ticker or Trading Symbol
ILLINOIS TOOL WORKS INC [ITW]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman & CEO
(Last)
(First)
(Middle)
ILLINOIS TOOL WORKS INC., 155 HARLEM AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
02/10/2017
(Street)

GLENVIEW, IL 60025
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               71,201 D  
Common Stock               3,636 I See Footnote (1)

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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
Employee Stock Option $ 98.26             02/13/2016(2) 02/13/2025 Common Stock 184,645   184,645 D  
Employee Stock Option $ 78.59             02/14/2015(2) 02/14/2024 Common Stock 224,422   224,422 D  
Employee Stock Option $ 63.25             02/15/2014(2) 02/15/2023 Common Stock 305,188   305,188 D  
Employee Stock Option $ 91.88             02/12/2017(2) 02/12/2026 Common Stock 199,800   199,800 D  
Employee Stock Option $ 55.81             02/11/2012 02/11/2021 Common Stock 101,297   101,297 D  
Employee Stock Option $ 55.71             02/10/2013 02/10/2022 Common Stock 108,885   108,885 D  
Performance Restricted Stock Unit (granted 2/12/2016) (3) $ 0               (4)   (4) Common Stock 32,651   32,651 D  
Performance Restricted Stock Unit (granted 2/13/15) (3) $ 0               (4)   (4) Common Stock 29,004   29,004 D  
Performance Restricted Stock Unit (granted 2/14/2014) (3) $ 0               (4)   (4) Common Stock 32,446   32,446 D  
Employee Stock Option $ 128 02/10/2017   A   195,676   02/10/2018(2) 02/10/2027 Common Stock 195,676 $ 0 195,676 D  
Performance Share Units (granted 2/10/17) $ 0 02/10/2017   A   20,507     (4)   (4) Common Stock 20,507 $ 0 20,507 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SANTI ERNEST SCOTT
ILLINOIS TOOL WORKS INC.
155 HARLEM AVENUE
GLENVIEW, IL 60025
  X     Chairman & CEO  

Signatures

 Ernest Scott Santi by Janet O. Love, Deputy General Counsel & Assistant Secretary, Attorney-In-Fact POA on File   02/14/2017
**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) Shares of common stock allocated to my account in the Illinois Tool Works Inc. Savings & Investment Plan---Information reported as of February 10, 2017.
(2) Options vest in four (4) equal annual installments beginning one year from date of grant.
(3) Each performance restricted stock unit (PRSU) and performance share unit (PSU) represents a contingent right to receive one share of the Company's common stock.
(4) Each PRSU and PSU vests 100% three years from the date of grant if performance goals are met.

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