KLA Investor Day Presentation Deck

Semi PC at a Glance $5.44B 19% Revenue (CY21) 35% WFE 15.8% Revenue CAGR (CY18 - CY21) 65% ■ Wafer Inspection ■ Patterning ¹KLA filings 2,3 Gartner April 2022, KLA Internal 65%+ 54.4%² including Semi PC service¹ Gross Margin 4x nearest competitor Market Share OEM #1 in 7 out of 9 markets served ³ chip Breadth of Portfolio materials Comprehensive portfolio of advanced inspection, metrology and software solutions serve the semiconductor ecosystem Mo Tc W wafer 100% ~6,500 Uniquely solving our customers' critical challenges % of Major Semiconductor Customers Served ~1.6x increase from CY19 wafer-level packaging Employees reticle KLAH Investor Day 33

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