NORTH HUNTINGDON, Pa. (March 3, 2014) – The ExOne Company ("ExOne" or "the Company"), a global provider of three-dimensional ("3D") printing machines and printed products to industrial customers, announced that Timothy R. Pierce has joined the Company effective March 3, 2014 as U.S. Chief Operating Officer. David Burns, President and Chief Operating Officer of ExOne commented, “With the addition of Tim, we are further building our team to execute our growth strategy. We have much to accomplish as we expand production operations in the U.S., support a growing installed base of machines, and increase our material offerings. While Tim’s focus will be in the U.S., he also brings extensive global operational experience to our leadership team. We believe he will thrive in our very dynamic environment and enhance the structure and disciplines needed as we grow. We expect Tim’s expertise and leadership will help advance our strategy to further penetrate industrial markets with our distinctive binder jetting technology for 3D direct metal printing and indirect sand casting applications.” Mr. Pierce most recently served as Vice President Global Supply Chain for 3i, a division of Biomet, and prior to that as Vice President of Global Operations with Laird Technology. Earlier in his career, Mr. Pierce was with Owens Corning in progressively advancing leadership roles which included Managing Director Asia and Director of Manufacturing OEM. During his tenure there he also served as General Manager of a start-up operation in Shanghai. Mr. Pierce began his career as an industrial engineer with Armstrong World Industries where he advanced to General Manager of an operation in China. Mr. Pierce received a B.S. in Industrial Engineering from Pennsylvania State University and an M.B.A. in Finance from Babson College. ExOne is a global provider of 3D printing machines and printed products, materials and other services to industrial customers. ExOne’s business primarily consists of manufacturing and selling 3D printing machines and printing products to specification for its customers using its in-house 3D printing machines. ExOne offers pre-production collaboration and print products for customers through its seven production service centers (“PSCs”), which are located in the United States, Germany and Japan. ExOne builds 3D printing machines at its facilities in the United States and Germany. ExOne also supplies the associated materials, including consumables and replacement parts, and other services, including training and technical support, necessary for purchasers of its machines to print products.