Manufacturing. Accelerated.

[01] ...and is transformational to the manufacturing industry Conventional manufacturing hurdles Product innovation Geometry: machines & tooling encouraging simpler designs with reduced performance Lack of customization: tooling prevents producing products tailor to niche and local markets Process innovation Time-to-market: lead-times associated with tooling slow down new product introductions Volumes: tooling is a fixed expense that must be amortized across large quantities of parts. Inventory: tooling leads to minimum quantity builds, typically resulting in excess inventory Cost: machining is a time- and labor- intensive process that is costly at-scale Scrap: machining and casting have high levels of scrap, waste and pollution Additive manufacturing benefits at-scale Mass customization Complex & generative designs Assembly consolidation 22 Ене (Avp)Az AvpEL Συρ OPTISYS WITH ZI LOADED Supply chain re-engineering (1) Russia 27% 88 Canada 19% UK Germany 24% USA 25% China(2) 21%+ 8% Ja Japan 13% Mexico 23% India 36% Brazil 28% Australia 12% [a] 100 part antenna 95% weight reduction [b] 1 part antenna Value-added tax (VAT) plus average country tariff 1. Source: VAT from Tax Foundation website (https://taxfoundation.org/2020-sales-taxes/) and PwC website (https://taxsummaries.pwc.com/quick-charts/value-added-tax-vat-rates) as of August 5, 2020; country tariff from World Trade Organization; management calculations. D Desktop Metal 2. Does not include the full effect of additional tariffs placed on US exports to China starting in 2018. 11

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