KLA Corporation Investor Presentation — October 2017

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First Quarter Fiscal Year 2018

Supplemental Financial Information

Oct 26, 20172Q1-18 Key Financials

* Non -GAAP, See appendix for GAAP to Non -GAAP reconciliation Shipments $977M

Diluted EPS* $1.803

Cash and Investments $2.70B $3.02B $3.06B

Accounts Receivable, Net $735M $571M $667M

Net DSO (Shipment)* 74 days 54 days 62 days

Inventories $697M $733M $762M

Inventory Turns* 2.0x 1.9x 1.9x

Net Cash From Operating Activities $225M $463M $374M

Capital Expenditures, Net $9M $11M $16M

Free Cash Flow* $215M $452M $358M

Dividends Paid $86M $85M $100MQ1-18 Summary Balance Sheet and Cash Flow

*DSO = Current Net AR/ (Current Quarter Shipments / 91) , Inventory Turns = Cost of Goods Sold/ Average Inventory, Free Cash Flow = Net Cash Provided by Operating Activities –Net Capital Expenditures. Numbers have been

Taiwan 17%Korea 34%China 10%SEA 4% Europe 3%WAFER FRONT -END PRODUCT REGION

Patterning 30%Service 21%Non -Semi 3%Distribution of Q1 FY18 System Shipments5Historical Distribution of Shipments

Q3 2016 Q4 2016 Q1 2017 Q2 2017 Q3 2017 Q4 2017 Q1 2018

Memory 41% 25% 42% 42% 36% 32% 46%

Foundry 48% 64% 45% 51% 52% 64% 40%

Logic 11% 11% 13% 7% 12% 4% 14%

Wafer Inspection 47% 57% 50% 47% 47% 50% 46%

Service 24% 22% 24% 22% 21% 21% 21%

Non-Semi 5% 2% 2% 2% 3% 4% 3%

Patterning 24% 19% 24% 29% 29% 25% 30%

USA 17% 17% 8% 8% 12% 11% 19%

Japan 15% 10% 11% 4% 8% 11% 13%

Taiwan 16% 31% 42% 46% 35% 13% 17%

Korea 13% 16% 21% 21% 18% 40% 34%

China 29% 19% 6% 8% 18% 18% 10%