KLA Investor Conference Presentation Deck

Longevity 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+

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