Onto Innovation Investor Presentation

14 $ MILLIONS $240 $220 $200 $180 $160 $140 $120 $100 Q1-20 Q2-20 Q3-20 Q4-20 Revenue Growth History and Expectation 9 Quarters of History as Onto Innovation with Strong 2022 Outlook Source: Company Financials and May 2022 FactSet Revenue Consensus for Q2-22 Q1-21 QUARTERLY REVENUE + 1H2022 CONSENSUS Q2-21 Q3-21 Q4-21 Q1-22 Q2-22 73% QUARTERLY GROWTH First 10 Quarters of ONTO P&L (From $139.9M to $241.4M) 33% 1H22 OVER 1H21 EXPECTED 1H22 Analyst Revenue Outlook (From $362.7M (A) to $483.4M (E) innovationTM onto

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