Meet UnionTech “Excerpts From Our Corporate Profile”

About UnionTech UnionTech is an innovative integrated solution provider for additive manufacturing to drive operational excellence, forging a future for additive manufacturing.

1 # A general profile 60% 30% 15% Key figures today About UnionTech A general profile Key figures today The longest history in 3D printing field of China： UnionTech was founded in 2000, one of the companies engaged in 3D printing Industry in China at early stage， and owns nearly 20 years experience of SL technology and products. The largest SL company in China: As an integrated solution provider for additive manufacturing, UnionTech accounts for over 60% of overall market share in SL 3D printing systems in Greater China. In 2016 April, UnionTech succeeded in being listed on NEEQ (National Equities Exchange and Quotations).Its stock code is 836987. 60% Leading the domestic market with over 60% market share Sold 350 units of SL 3D printers FY 2016 Sold approx. 500 units of industrial SL systems est. in 2017 30% 230+ employees are the foundation of our success Almost 30% dedicated to R&D 15% Reinvesting 15% of revenue into R&D Investing in human resource and expertise to support our clients 1 # UnionTech ranks TOP 1 in market share in SL 3D printing system in Greater China.

Accelerated growth and outperformance About UnionTech Owning nearly 20 years experience of SL technology and products. History Stage Acceleration Professionalization Start-up UnionTech was founded in Shanghai, China in 2000. Became a distributor of Materialise in 2001. Accredited as Hi-tech Enterprise in 2003. The market share of SL 3D printers ranked Top 1 in Greater China in 2014. 2000 2004 2008 2012 2016 2020 Strategic direction Operational consolidation Optimization Accelerated growth and outperformance

Mature organization Business Division Supporting Department R&D About UnionTech Mature organization Business Division R&D Strong engineering base Hardware, software and materials Industrial & Education Marketing Deep international experience North China EMEA, North America and global marketing/services managed by seasoned team South China Shoemaking Operation Center Highly qualified team Managing central purchasing, manufacturing, supply chain and quality control Vietnam Supporting Department Dental (DLP) Technical Support Substantive knowledge Team with rich experience in hard- & software products for domestic & international markets International Business USA Finance & IT Experienced international team Germany Managing global finance, IT, compliance and legal Hong Kong France HR & Admin Talent development key for ongoing success Focus on recruiting and retaining top talent Russia

Core technology What is stereolithography (SL) ? Scanner system About UnionTech Core technology What is stereolithography (SL) ? Scanner system Elevator (Z axis) Vat Layered parts Resin Stereolithography (SL) is a form of 3D printing technology used for creating models, prototypes, patterns, and production parts in a layer by layer fashion using photo-polymerization, by which light causes chains of molecules to link together, forming photo-curable resins (polymers).   With its mature technology, extensive application capability to produce sophisticated parts of various size, it is a leading 3D printing technology that can meet strict requirements in term of precision, surface quality, stability and production cost. Currently SL is the most extensively used and mainstream 3D printing technology in industrial fields in both application scope and market scale. Laser beam Platform

Integrated solutioins Infrastructure and organisation About UnionTech An integrated solution provider for additive manufacturing. Product portfolio Integrated solutioins Infrastructure and organisation Hardware Cost-effective ownership Truly open design Continuous innovation Surface aesthetics Global reseller network Mature organization Global network Clear competitive advantages Software Powerful functionality ensures exce-ptional 3D printing performance In-house development Seamless integration Positioning Market leading presence Dominant market position in SL segment in Greater China Ideally positioned to obtain leading position across the world Materials Highest compatibility Wide diversification Rich availability

Product portfolio - hardware About UnionTech Product portfolio - hardware UnionTech industrial SL equipment portfolio

About UnionTech Global reach With head offices in Shanghai, we employ a far-reaching global network that includes branches in USA, Germany, Russia and Vietnam. In order to bring our product and solution to more customers, we will never stop expanding our sales net around the world adopting the strict attitude on innovation and service. RUS GER USA CHN VN A domestic SL 3D printing solution leader Approximately 200+ employees worldwide Approximately 60+ employees working in R&D 5 global branches + 3 China offices 50+ domestic resellers 10+ sales & marketing offices

Core values: C. R. E. A. T. E. Customer Dedication About UnionTech Core values: C. R. E. A. T. E. Customer Dedication We are genuine in our commitment to our customers. Respect We treat customers, suppliers, and employees with dignity and appreciation. Enthusiasm We approach innovation with enthusiasm. Adaptability We apply a flexible mindset to an ever changing environment. Trust We mean what we say and stand up to our promises. Excellence We strive for the highest standards of quality and performance.

About UnionTech Vision Provide the most cost-effective ownership throughout the entire life cycle of the equipment Freedom to collaborate and innovate: Truly open design for materials and software forming partnerships to aid innovation Continuous innovation and improvement through R&D (30% of our staff are in R&D) Surface aesthetics that reset expectations and contribute to lower post finishing requirements