#1+ + + + + WELLS FARGO + SECURITIES + KLA Services Update Brian Lorig, EVP and GM, Global Services and Support + + + TMT Summit 2021 + + KLA+ + + + + Dec. 1, 2021#2Forward-Looking Statements Statements in this presentation other than historical facts, such as statements pertaining to: (i) industry trends; (ii) customer demand and investment strategy; (iii) projected end-demand uses for semiconductors; (iv) Services business growth drivers; (v) sales, revenue growth rate, operating margin, EPS, capital allocation, semiconductor industry CAGR, capital intensity, memory and foundry/logic mix, process control market growth rate and growth in new markets through 2023; are forward-looking statements and subject to the Safe Harbor provisions created by the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on current information and expectations and involve a number of risks and uncertainties. Actual results may differ materially from those projected in such statements due to various factors, including but not limited to: the future impacts of the COVID-19 pandemic; the demand for semiconductors; the financial condition of the global capital markets and the general macroeconomic environment; new and enhanced product and technology offerings by competitors; push-out of deliveries or cancellation of orders by customers; the ability of KLA's research and development teams to successfully innovate and develop technologies and products that are responsive to customer demands; KLA's ability to successfully manage its costs; market acceptance of KLA's existing and newly issued products; changing customer demands; and industry transitions. For other factors that may cause actual results to differ materially from those projected and anticipated in forward-looking statements in this letter, please refer to KLA Corporation's Annual Report on Form 10-K for the year ended June 30, 2021, and other subsequent filings with the Securities and Exchange Commission (including, but not limited to, the risk factors described therein). KLA Corporation assumes no obligation to, and does not currently intend to, update these forward-looking statements. 2 KLA Non-Confidential | Unrestricted KLA+#3Five Keys to KLA Services Success Strong customer value proposition: we help customers maximize the value of their KLA assets 3 KLA Non-Confidential | Unrestricted Growing faster than the installed base D Continuous investment in data-driven, differentiated portfolio of professional services offerings 忍 Industry-leading service model with >75% of revenue coming from subscription-like service contracts Leverage KLA Operating Model to drive operational excellence KLA+#4KLA Services At A Glance* Revenue Mix** 23% Services I 9% -11% CAGR (2019-2023E) ● 4 KLA Non-Confidential | Unrestricted >56,800 INSTALLED BASE *KLA Services at a Glance numbers reflect 2021 year to date ** LTM as of 9/30/2021 77% Systems >250,000 SERVICE CALLS ហ ~$1.7B REVENUE** >4,000 CUSTOMER FACILITIES % >75% ATTACH RATE >165,000 SPARE PARTS/ ASSEMBLIES >90% RENEWAL RATE >3,000 CUSTOMER SERVICE ENGINEERS KLAH#5The Service Team and Offerings Provide Differentiated Value Partnering with Customers to Maximize the Value of their KLA Assets Product Support Learning & Knowledge Services Comprehensive Offerings 5 KLA Non-Confidential | Unrestricted Engineering ▪ Subscription-Based Services ▪ Training ■ Software Applications Fleet Optimization ■ Predictive Maintenance ■ Marketing and Sales ■ Ramp Management ■ ■ Parts and Logistics ■ Enhancements and Upgrades Lifecycle Management Certified Refurbished Systems Customer Support Engineers KLA##6Strong Customer Focus Defines KLA Services Ramp Faster Leading-Edge Development Higher Yield Leading-edge Manufacturing Lifecycle Mgmt. Trailing-edge Manufacturing CUSTOMER GOAL Develop, ramp and transfer new technology to high volume manufacturing Maximize good wafers out at lowest possible cost 6 KLA Non-Confidential | Unrestricted Return on assets KLA STRATEGY New product introduction and service solutions to maximize uptime of KLA tools Optimized production monitoring while reducing customer cost of ownership Lifecycle management through fab optimization, enhancements and services RESULTS Customers accelerate transitions to high volume manufacturing Customers achieve higher yield, at lower costs, through predictable system availability Helping Customers Maximize the Value of Their KLA Assets Customers extend the useful life of their KLA assets KLAH#7KLA Focused On Providing Differentiated Services Support Global PEOPLE KNOWLEDGE and 8 7 KLA Non-Confidential | Unrestricted Readiness Infrastructure PARTS Services to Serve People to perform task Parts to solve issues Knowledge to complete task Infrastructure to support services Strong Foundation to Exceed Customer Needs KLA+#8Longevity of Semi Process Control Installed Base Enhances Productivity 25000 20000 15000 10000 5000 0 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Average tool age increasing from ~4 years in 2000 to ~14 years in 2019 as our installed base increased by ~2.7x 8 KLA Non-Confidential | Unrestricted Over the life of a tool, Services generates revenue > 0.5x sales price ■Class of '15 Class of '10 ■Class of '05 Class of '00 ■Class of '95 Class of '90 KLA+#9KLA Operating Model Drives Services Resiliency Indispensable for Customers Perseverance xÅ ☆ KLA+ Honest, Forthright, Consistent Drive to Be Better 9 KLA Non-Confidential | Unrestricted High Performance Teams Consistent strategy and execution Market-leading innovation Rigorous new product development process Strong focus on talent development ■ ■ ■ Management by metrics ▪ Culture of performance and accountability Superior margin profile Strong recurring revenue and highly cash generative Financial discipline and rigor ■ ■ ROIC-focused Fully allocate all costs into businesses Strong track record of high return investments ■ ■ Enables Innovation and Value Chain Integration Across Service and Support KLAH#10KLA Service and Support Innovation Drives Customer Value Remote Support Developing augmented reality-based solutions for remote services that allow for rapid response to customer needs while preserving IP protocols Training Reinvention Curriculum enrichment to deliver web-based, on-demand and mixed-reality (MR) technologies to complement hands-on training O KLA+ Ⓒ * Expedited Delivery Augmented localized teams to allow for more rapid and customized service delivery and installation Digital Transformation I Investment in IOT and data analytics to enable customer- tailored value ■ Operational systems transformation and investment improves response Transformation of Internal Operations to Improve Customer Innovation