KLA Investor Day Presentation Deck

Track Record of Strong Profitability Gross Margin¹ Operating Margin¹ 64% 60% m ■ ■ ■ CY18 CY19 61% CY20 63% CY21 GM% ranked among leaders in Semi industry Improvement since 2019 driven by differentiation, higher revenue volume 63% CY22E² Absorbed ~$1B of acquired revenue while improving GM% performance of acquired businesses I 40% 33% 36% 42% CY18 CY19 CY20 CY21 Superior margin profile vs. peer group³ 42% ¹Non-GAAP measure, please see Appendix for reconciliation. 2Based on consensus CY22 as of 6/8/22 Nasdaq IR Insight. ³Peers include: ASML, AMAT and LRCX. CY22E² Extendibility of product platforms reduces R&D intensity, driving higher ROI across the portfolio Delivering 40%-50% incremental operating leverage H ■ M $9.14 CY18 Diluted EPS¹ $8.73 CY19 $11.47 CY20 $18.50 $22.86 CY21 CY22E² Strong earnings leverage Targeting long-term earnings growth of 1.5x revenue Consistent share repurchases ■ 27% Diluted EPS¹ CAGR from CY '18-'21 ■ I 30% CY18 Consistent growth and improvement in key profitability metrics FCF Margin¹ 23% CY19 29% CY20 31% CY21 CY22E² History of strong FCF margin across all phases of business cycle and economic conditions Investing in working capital to support growth 30% Capital expenditures of 2-4% of revenue KLAH Investor Day 111

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