ExOne Appoints Brian W. Smith as Chief Financial Officer and Treasurer

NORTH HUNTINGDON, Pa. (Nov. 12, 2013) – The ExOne Company announced that Brian W. Smith will join the company as chief financial officer and treasurer on Jan. 1, 2014. John Irvin, the company’s current chief financial officer and treasurer, will assume the role of special adviser to the chairman. Since joining ExOne in October 2012, Irvin is credited with overseeing the company’s February 2013 initial public offering and subsequent public company financial responsibilities. Upon assuming his new role, he will remain on the company’s Board of Directors and will report to S. Kent Rockwell, Chairman and Chief Executive Officer. Rockwell commented, “We welcome Brian to our executive leadership team. With over 30 years of professional accounting experience, we believe his capabilities add an additional dimension and breadth to our finance organization. He brings expertise in public company financial reporting, internal controls, and global financial processes, which are crucial to ExOne in this period of rapid growth. Additionally, we anticipate that his business perspective will contribute to the development and execution of our strategy to increase penetration of the 3D direct metal and indirect sand casting markets using our distinctive binder jetting technology.” He added, “John has been a key member of our leadership team. In addition to his financial leadership, he has been instrumental in a number of key operating initiatives, including the establishment of our production service centers (“PSCs”) and expansion of our global facilities, critical components in our strategy. We look forward to continuing to benefit from his broad business experience in his new role as we advance our global growth strategy.” Brian W. Smith, 55, will join ExOne upon departing as an assurance client service partner with PricewaterhouseCoopers (“PwC”), where he serves in the firm’s Pittsburgh, PA office. Mr. Smith joined PwC in 1984, was admitted as a Partner in 1995, and has spent several years working in a PwC advisory business assisting industrial products, healthcare and energy companies with internal control reviews, system implementations, process transformation and change management. Mr. Smith held various leadership roles within PwC, including leading initiatives in specific consumer and industrial product sectors. Mr. Smith is a certified public accountant and received a B.A. degree with a concentration in accounting and a minor in economics from Westminster College in 1980. ExOne is a global provider of 3D printing machines and printed products, materials and other services to industrial customers.