KLA Investor Day Presentation Deck

Case Study: Measured Pace of Moore's Law Enables Platform Extendibility and Lower R&D Intensity 25% 20% 15% 10% 8x 6x 4x 2x X CY10 CY10 CY11 CY11 CY12 CY12 CY13 CY13 CY14 CY14 CY15 R&D % of Semi PC Revenue CY15 CY16 ROI CY16 CY17 CY17 CY18 CY18 CY19 CY19 CY20 CY20 CY21 CY21 ~0.8x vs CY11-CY16 ~1.4x vs CY11-CY16 ~20% decrease in R&D intensity contributes to ~40% increase in Return on Investment KLAH Investor Day 118

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