The ExOne Company to Participate at Southwest IDEAS Conference and LD Micro Main Event

The ExOne Company (NASDAQ: XONE) ("ExOne” or "the Company”), a global provider of three-dimensional ("3D”) printing machines and 3D printed products to industrial customers, announced that James L. McCarley, Chief Executive Officer, and Brian W. Smith, Chief Financial Officer and Treasurer, will present and be available for investor meetings at two upcoming conferences.

A link to the live webcast for each of the presentations, along with presentation materials, will be available at www.investor.exone.com. Replays of the webcasts will be available for 90 days. Transcripts of the presentations will be accessible on the Company website once available.

About ExOne

ExOne is a global provider of 3D printing machines and 3D printed and other products, materials and 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 installed base of 3D printing machines. ExOne’s machines serve direct and indirect applications. Direct printing produces a component; indirect printing makes a tool to produce a component. ExOne offers pre-production collaboration and print products for customers through its network of ExOne Adoption Centers (EACs) and Production Service Centers (PSCs). ExOne also supplies the associated materials, including consumables and replacement parts, and other services, including training and technical support that is necessary for purchasers of its 3D printing machines to print products. The Company believes that its ability to print in a variety of industrial materials, as well as its industry-leading volumetric output (as measured by build box size and printing speed) uniquely position ExOne to serve the needs of industrial customers.

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