Yatsen IPO Presentation Deck

3 Data-enabled Product Development Methodology Improving the product development process by shifting focus from an intuitive art to a data-driven science Design product attributes Initiate idea Produce and launch Data from customers Data from KOLS Insights from Analytics Notes: 1.7 eye products, 7 face products and 6 lp products 2.According to the CIC Report Iterating Ideas Product Testing 30,000+ surveys in 2019 Feedback In-house R&D team intercos COSMAX Close Collaboration OEM/ODM UNIVERSITY Research institutions / universities / hospitals NOOLYS Product launch cycle < 6 months vs. 7-18 months typically for international brands(2) YATSEN 20 products (¹) sold over 1 million units in 2019 Products OUR STORY 14

View entire presentation