KLA Investor Day Presentation Deck

Reaffirming June Quarter 2022 Guidance (originally published April 28, 2022) Revenue Non-GAAP Gross Margin* GAAP Diluted EPS Non-GAAP Diluted EPS* June 2022 Quarter * Non-GAAP metric - Refer to Appendix for Reconciliation to GAAP $2,300M to $2,550M 61.50% to 63.50% $4.60 to $5.70 $4.93 to $6.03 Driving profitable growth and delivering shareholder value Macro Assumptions ▪ Semi PC Revenue By End Market ▪ Foundry/Logic: 56% Memory: 44% Model Assumptions ▪ Non-GAAP Operating ■ Expenses*:~$525M ■ Other Income & Expense (OIE), Net: ~$43M ■ Effective Tax Rate: ~13.5% Diluted Share Count: ~150M ■ KLAH Investor Day 5 LO

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