KLA Investor Day Presentation Deck

Semi PC Continues to Lead the Industry Semi PC System Revenue 6,000 5,000 4,000 3,000 2,000 1,000 60% 50% 40% 30% 20% 10% 0% 0 ||||||| CY13 CY14 CY15 CY16 CY10 CY11 CY09 CY12 CY11 Market Leadership Measured by market share >4x CY13 CY17 CY18 CY15 mul CY19 CY20 Nearest competitor across all regions CY17 CY19 CY21 CY21 Process Control Market Share KLA Comp A Comp B Comp C Semi PC well positioned for continued outperformance ▪ Innovative and differentiated I process control portfolio ■ Deep customer relationships to deliver right products at the right time Significant R&D investments and deep partnerships with key suppliers KLAH Investor Day 22

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