Statement of Changes in Beneficial Ownership (4)

FORM 4

[X] 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

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Strome William Frederick	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 (MM/DD/YYYY) 11/12/2021
(Street) NORTH HUNTINGDON, PA 15642 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	11/12/2021		D		28500	D	(1)	5000	D
Common Stock, par value $0.01	11/12/2021		D		5000	D	(2)	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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

Explanation of Responses:
(1)	On November 12, 2021, Desktop Metal, Inc., a Delaware corporation ("Desktop Metal"), acquired The ExOne Company, a Delaware corporation ("ExOne") pursuant to that certain Agreement and Plan of Merger, dated August 11, 2021, by and among ExOne, Desktop Metal, Texas Merger Sub I, Inc., a wholly owned subsidiary of Desktop Metal, and Texas Merger Sub II, LLC, a wholly owned subsidiary of Desktop Metal (the "Merger Agreement"). The acquisition is more fully described in ExOne's definitive proxy statement filed with the Securities and Exchange Commission on October 8, 2021. In accordance with the terms of the Merger Agreement, each share of ExOne's common stock was exchanged for 2.1416 shares (the "Exchange Ratio") of Desktop Metal Class A common stock ("DM Common Stock") plus $8.50 in cash (together, the "Merger Consideration"). Each transaction reported in this Form 4 is an exempt transaction.
(2)	Each award of restricted shares of ExOne common stock not subject to the ExOne Change of Control Severance Plan ("ExOne RSAs") vested and were cancelled and the holder of such ExOne RSA received the Merger Consideration.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Strome William Frederick 127 INDUSTRY BOULEVARD NORTH HUNTINGDON, PA 15642	X

Signatures
/s/ William F. Strome		11/16/2021
**Signature of Reporting Person		Date