Tuya Results Presentation Deck

Improving Gross Margin Overall gross margin 24% 25% 26% 28% 28% 28% 30% 30% 33% 31% 29% 29% 34% Note: Numbers are rounded for presentation purposes. Q1'19 Q2'19 Q3'19 Q4'19 Q1'20 Q2'20 Q3'20 Q4'20 Q1'21 Q2'21 Q3'21 Q4'21 lot PaaS gross margin 38% 35% +5 pps 40% 41% 42% 42% 43% +3 pps 42% 42% 42% 43% Q1'19 Q2'19 Q3'19 Q4'19 Q1'20 Q2'20 Q3'20 Q4'20 Q1'21 Q2'21 Q3'21 Q4'21 SaaS and Others gross margin remained stable at 73% Smart Device Distribution gross margin was 11% Improvement drivers: ● ● ● Increased economies of scale and cost savings Improved efficiency achieved through effective R&D Expansion into higher-margin loT PaaS product lines tuya 13

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