Attached files

file filename
S-1/A - AMENDMENT NO. 1 TO FORM S-1 - ExOne Cod461168ds1a.htm
EX-99.4 - CONSENT OF RAYMOND J. KILMER TO BE NAMED AS A DIRECTOR - ExOne Cod461168dex994.htm
EX-10.07.02 - FORM OF AWARD AGREEMENTS UNDER 2013 EQUITY INCENTIVE PLAN - ExOne Cod461168dex100702.htm
EX-10.07.01 - 2013 EQUITY INCENTIVE PLAN - ExOne Cod461168dex100701.htm
EX-10.01.02 - FIRST AMENDMENT TO THE AMENDED AND RESTATED EXCLUSIVE PATENT LICENSE AGREEMENT - ExOne Cod461168dex100102.htm
EX-10.01.01 - AMENDED AND RESTATED EXCLUSIVE PATENT LICENSE AGREEMENT - ExOne Cod461168dex100101.htm
EX-10.16 - LEASING CONTRACT, AGREEMENT CONCERNING MACHINE USE, SALE & LEASEBACK AGREEMENT - ExOne Cod461168dex1016.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Amendment No. 1 to the Registration Statement (No. 333-185933) on Form S-1 of The ExOne Company of our report dated November 12, 2012 relating to the financial statements of The Ex One Company, LLC and Subsidiaries which appears in such Registration Statement.

We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ ParenteBeard LLC

Pittsburgh, Pennsylvania

January 24, 2013