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 *
IRVIN JOHN
  2. Issuer Name and Ticker or Trading Symbol
ExOne Co [XONE]
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)
127 INDUSTRY BOULEVARD
3. Date of Earliest Transaction (Month/Day/Year)
11/20/2017
(Street)

NORTH HUNTINGDON, PA 15642
4. If Amendment, Date Original Filed(Month/Day/Year)
11/22/2017
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, par value $0.01 11/20/2017   S(1)   3,606 D $ 11.54 (2) 91,394 I (3) By 20 20 Holdings, LLC
Common Stock, par value $0.01 11/21/2017   S(1)   5,300 D $ 11.73 (2) 86,094 I (3) By 20 20 Holdings, LLC
Common Stock, par value $0.01 11/22/2017   S(1)   2,602 D $ 11.7 (2) 83,492 I (3) By 20 20 Holdings, LLC
Common Stock, par value $0.01               154,300 D  
Common Stock, par value $0.01               3,000 I (4) By wife

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
IRVIN JOHN
127 INDUSTRY BOULEVARD
NORTH HUNTINGDON, PA 15642
  X      

Signatures

 /s/ Loretta L. Benec, attorney-in-fact for John Irvin   11/28/2017
**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) The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by 20 20 Holdings, LLC and Mr. Irvin on November 17, 2017.
(2) The price reported in Column 4 is a weighted average price. The shares sold on November 20, 2017 were sold in multiple transactions at prices ranging from $11.39 to $11.71, inclusive. The shares sold on November 21, 2017 were sold in multiple transactions at prices ranging from $11.56 to $12.00, inclusive. The shares sold on November 22, 2017 were sold in multiple transactions at prices ranging from $11.45 to $11.78, inclusive. Mr. Irvin undertakes to provide to The ExOne Company, any security holder of The ExOne Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.
(3) 20 20 Holdings, LLC is the owner of these shares. 20 20 Holdings is a limited liability company of which Mr. Irvin is the sole manager and has sole power to vote and dispose of the shares.
(4) Mr. Irvin's wife is the owner of the 3,000 shares. Mr. Irvin disclaims beneficial ownership of these shares, and this report shall not be deemed to be an admission that Mr. Irvin is the beneficial owner of the securities for purposes of Section 16 or for any other purpose.
 
Remarks:
The Form 4, as originally filed, did not include Exhibit 24 - Power of Attorney. This Form 4/A correctly includes Exhibit 24. All other information provided on the Form 4, as originally filed, is accurate.

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