Cytek Investor Presentation Deck

Quarterly Revenue and Adjusted Gross Margin % Q1-20 to Q3-22 ($MM) $18.0 $1.9 47% $16.1 Q1'20A CYTEK TRANSCEND THE CONVENTIONAL $19.1 $1.7 43% $17.5 Q2'20A $25.1 $1.9 62% $23.2 Q3'20A $30.6 $2.0 64% $28.6 Q4'20A Service Revenue Reconciliation of Non-GAAP figures are in the appendix $24.3 $1.6 60% $22.7 Q1'21A $30.4 $1.7 65% $28.7 Q2'21A $34.4 $2.2 64% $32.2 Q3'21A Product Revenue $38.9 $2.9 63% $36.0 Q4'21A $35.1 $3.6 60% $31.5 Q1'22A -Adj-GP $40.2 $40.5 $3.1 63% $37.1 Q2'22A $4.1 68% $36.4 Q3'22A Q3-2022 Under Review • Total Revenue $40.5 Cytek added another 142 instruments now total base at 1,501 • Service revenue growing steadily to $4.1m up from $2.2m in 2021 on more instruments coming off warranty • Adjusted GP margin 68% compared to 64% in the third quarter of 2021 14

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