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ExOne Expands 3D Metal Printing Capability and Adds to Suite of Binder Solutions

Thursday, July 25, 2013

The ExOne Company (Nasdaq:XONE) ("ExOne" or "the Company"), a global provider of three-dimensional ("3D") printing machines and printed products to industrial customers, announced today that it added iron infiltrated with bronze as a new 3D printing material and has also increased its suite of binder solutions for its 3D printing process.

ExOne's strategy is to expand its direct metal printing capabilities to increase opportunities in the industrial marketplace. Iron is widely used in the manufacturing of machine tools, automotive parts and general support structures. Part of the reason for iron's popularity as an industrial product is its cost effectiveness. Manufacturing iron-based products using ExOne's 3D printing technology allows for the direct creation of more intricate products than traditional manufacturing processes, and creates a more cost effective alternative to current 3D printing materials such as stainless steel. ExOne believes that the addition of iron to its metal portfolio will be well received by customers in the traditional markets for iron. ExOne prioritized its development of iron infiltrated with bronze as a result of general customer interest and the breadth of the manufacturing market.

To further develop its reach into the molds and casting industry, ExOne has added phenolic and sodium silicate to its suite of binders for use in its 3D printing process. Phenolic binder, used with ceramic sand in the 3D printing of molds and cores, offers customers three benefits:

1) Casting higher heat alloys,

2) Creating a higher strength mold or core, and

3) Improving the quality of the casting due to reduced expansion of the mold or core.

These capabilities address challenges faced by the automotive,
aviation, hydraulic/heavy equipment and pump industries.

ExOne believes that sodium silicate binder will appeal to casting
houses that are in search of cleaner environmental processes. It is
further believed that the use of sodium silicate will reduce or
eliminate the release of fumes and gas in the casting process, helping to reduce costs associated with air ventilation, and electrical and maintenance equipment.

Rick Lucas, ExOne's Chief Technology Officer, commented, "We are excited to add iron infiltrated with bronze to our product offerings. We continue to focus on the development of our other metals and materials. We remain committed to releasing at least one new material every six months. Our priorities are defined by the needs of our current customers and as we uncover new opportunities with prospective customers."

ExOne's Material Applications Laboratory (ExMAL), currently has eleven other materials under various stages of development ExOne has been focused on 3D printing for industrial customers since 2005.

For more information regarding the 3D printing process, visit the Company's website at www.exone.com.

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