KLA Investor Day Presentation Deck

Talent & Culture Underpin KLA Services Execution 8 Technical Training Install & Support Depth Services >3,000 Services employees Average tenure of KLA >8 yrs Services employees >4M Labor hours in 2021 3 Regionalized Customer Experience Parts and Logistics Services Foundation Experience Comprehensive 9-18 month training process per tool to develop expertise Quick access to global network of 235,000+ spare parts Customer Service Engineers (CSEs) access to KLA global network of experts Engineering Customized Service Outcome Education PhD Masters Bachelor • AA/Advanced ■ Other KLAH Investor Day 102

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