Cytek IPO Presentation Deck

Our Target Operating Model (as a % of revenue) Gross Margin % S&M % 2 R&D % G&A % Adj. EBITDA Margin %² Gross Margin ■ Shift in product mix with higher margin reagents becoming a greater share of total revenue ▪ Benefit from economies of scale as Company grows Leverage global manufacturing capabilities ■ FY2019A 50% 18% 15% 12% 6% S&M FY2020A Increased publications improve brand recognition and lowers customer acquisition costs 56% Improved variable costs to retain and service customers at scale 16% 15% 10% Key Improvement Drivers 16% Q1'21A 60% 18% 21% 16% 7% R&D ■ Lower cost to develop new products by leveraging existing FSP platform ■ Talent diversification in other lower cost locations ▪ Lower fixed costs to operate at scale Note: Fiscal year ended December 31 and first quarter ended March 31 1. Represents longer term financial objectives of the Company and does not constitute estimates of the Company's future performance, financial, or otherwise. There is no assurance that the Company will ever achieve any of these objectives. See special note regarding forward-looking statements. Reconciliation of Non-GAAP figures are in the appendix Long-Term Targets¹ G&A 65-70% -13% -13% -10% 30-35% • Improved operating costs through system automation ■ Talent diversification in other lower cost locations CYTEK | 33

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