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
__X__ Officer (give title below) _____ Other (specify below)
Special Advisor to Chairman
(Last)
(First)
(Middle)
127 INDUSTRY BOULEVARD		 3. Date of Earliest Transaction (Month/Day/Year)
12/19/2014
(Street)

NORTH HUNTINGDON, PA 15642		 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, par value $0.01 12/17/2014   A   2,500 (1) D $ 0 (1) 151,500 D  
Common Stock, par value $0.01               3,000 I By wife (2)
Common Stock, par value $0.01               100,000 I By 20 20 Holdings, LLC (3)

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     Special Advisor to Chairman  

Signatures

 /s/ JoEllen Lyons Dillon attorney-in-fact for John Irvin   12/22/2014
**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) Grant of restricted stock under The ExOne Company 2013 Equity Incentive Plan. 1/3 of the restricted stock vests on the 1st anniversary of the date of grant, 1/3 vests on the 2nd anniversary of the date of grant and 1/3 vests on the 3rd anniversary of the date of grant.
(2) 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.
(3) 20 20 Holdings, LLC is the owner of the 100,000 shares. 20 20 Holdings, LLC is a limited liablity company which the reporting person is the sole manager and has sole power to vote and dispose of the share

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