科磊 KLAC

Mr. Wallace currently serves as our President and Chief Executive Officer. He has been our Chief Executive Officer since January 2006 and has also served as our President since November 2008. He began at KLA Instruments in 1988 as an applications engineer and has held various general management positions throughout his 38 years with us, including positions as President and Chief Operating Officer from July 2005 to December 2005, Executive Vice President of the Customer Group from May 2004 to July 2005, and Executive Vice President of the Wafer Inspection Group from July 2000 to May 2004. Earlier in his career, he held positions with Ultratech Stepper and Cypress Semiconductor. Mr. Wallace previously served as a member of the Board of Directors of SEMI (Semiconductor Equipment and Materials International), a prominent industry association, including as SEMI's Chairman of the Board. He earned his bachelor's degree in electrical engineering from the University of Michigan and his master's degree in engineering management from Santa Clara University, where he also taught strategic marketing and global competitiveness courses after his graduation.Other U.S. Public Company Boards: Marvell Technology, Inc. (since 2024) Splunk, Inc. (2022 to 2024) Proofpoint, Inc. (2017 to 2021)

Bren Higgins has served as KLA's Executive Vice President and Chief Financial Officer since August 2013. In this role, Mr. Higgins oversees and manages the Company's finance operations and control processes, global manufacturing operations and investor relations functions. Prior to his promotion to Chief Financial Officer, Mr. Higgins oversaw the Company's treasury and investor relations functions and supported its business development efforts in his role as Vice President of Corporate Finance from January 2012 to August 2013, and as Senior Director of Corporate Finance from August 2011 to January 2012. Before that, he served as the Company's Senior Director of Financial Planning and Analysis from August 2008 to August 2011. Mr. Higgins has also held various financial and investor relations positions since he began his tenure at the Company in 1999, including multiple product division controller assignments and serving as Group Controller of the Company's Wafer Inspection Group from 2006 to 2008. Mr. Higgins received his bachelor's degree from the University of California at Santa Barbara and his master's degree in business administration with a concentration in finance from the University of California at Davis.

Ahmad Khan has served as KLA's President, Semiconductor Products and Customers since July 2024. He previously served as the President, Semiconductor Process Control from August 2019 to July 2024, where he was responsible for overseeing and managing our Semiconductor Process Control segment, and he was Executive Vice President, Global Products Group from December 2016 to August 2019, where he was responsible for the Company's wafer inspection and patterning divisions. From August 2015 to December 2016, he served as Executive Vice President, Patterning Division. In this role, he was responsible for the development and execution of technology roadmaps and customer collaboration strategies for all of KLA's patterning products. Mr. Khan joined KLA's Films & Surface Technology Division in 2003 as Senior Director of Business Development, and he has since held numerous strategic management positions throughout his tenure with the Company. In 2007, Mr. Khan served as Vice President and General Manager of KLA's Optical Films Metrology Division. From 2008 to his current position, his executive management responsibilities expanded to include the Resistivity, Optical CD, Implant, Thermawave, Overlay and SensArray Divisions, all ultimately comprising KLA's Metrology Division. Prior to joining KLA, Mr. Khan spent nine years at Applied Materials, holding various product engineering, support, operations and senior management positions. Mr. Khan earned his bachelor's degree in electronics engineering technology from DeVry University.

Brian Lorig serves as Executive Vice President of the KLA Global Services organization. KLA Services enables customers to maintain high availability and performance of their KLA tools and maximize the long-term value of their systems. Mr. Lorig joined the company in 1998 and has held a number of leadership positions in Manufacturing Operations and Service, including Vice President of U.S. Manufacturing and Operations Group, and Vice President of Global Support and Services Field Operations. Mr. Lorig earned his bachelor of science in supply chain management from Arizona State University and his MBA from Santa Clara University.

Mary Beth Wilkinson has served as the Company's Executive Vice President, Chief Legal Officer and Corporate Secretary since September 2020. In addition to advising on all legal, compliance, and corporate governance matters, Ms. Wilkinson oversees cybersecurity for the Company. Ms. Wilkinson has almost three decades of legal experience including extensive executive and operating experience in industrials and manufacturing. She also holds a Carnegie Mellon University Software Engineering Institute CERT Certificate for Cybersecurity Oversight. Before joining KLA, she served as senior vice president, general counsel and corporate secretary of O-I Glass, Inc. and as a partner at Hogan Lovells, an international law firm. Ms. Wilkinson earned her bachelor's degree summa cum laude from Saint Mary's College, Notre Dame, Indiana, with a double major in economics and English writing. She holds a Juris Doctor degree from Northwestern University Pritzker School of Law, is a member of the Bar in two states, and graduated from Stanford University's Executive Program.

Mr. Calderoni has more than 30 years of executive experience in the technology industry. He is the former Chairman and Interim President and Chief Executive Officer of Citrix Systems, Inc., retiring in December 2022. Mr. Calderoni was appointed Interim President and CEO at Citrix in October 2021. Mr. Calderoni was the Executive Chairman at Citrix from July 2015 to December 2018. From October 2015 to January 2016, Mr. Calderoni served as the interim Chief Executive Officer and President of Citrix. Prior to that, he was President of SAP AG's cloud business following SAP's October 2012 acquisition of Ariba, Inc., a leading provider of cloud software solutions where he served as Chairman and Chief Executive Officer. Prior to the acquisition, Mr. Calderoni served as Chief Executive Officer and a member of the Board of Directors of Ariba from October 2001 until the company was acquired, and he also served as Ariba's Chairman of the Board of Directors from July 2003 until the acquisition date. Before becoming Chief Executive Officer of Ariba, Mr. Calderoni served as Ariba's Chief Financial Officer from January 2001 to October 2001. Prior to joining Ariba, Mr. Calderoni was Chief Financial Officer at Avery Dennison Corporation, a global manufacturing company. He also held numerous senior financial executive positions at major technology companies, including Senior Vice President Finance at Apple Inc., and Vice President Finance at IBM. Mr. Calderoni is also President of Sobe Capital Advisors, Inc. As a former senior executive officer of Citrix, SAP and Ariba, Mr. Calderoni provides our Board with extensive and relevant leadership and international operations experience in the technology industry.Other U.S. Public Company Boards: Hewlett Packard Enterprise Company (since 2025) Ansys, Inc. (2020 to 2025) Citrix Systems, Inc. (2014 to 2022)

Mr. Kennedy most recently served as Chairman of the Board of Directors of Quanergy Systems, Inc., a leading provider of LiDAR sensors, from March 2020 to December 2023. He previously served as the Chief Executive Officer of Quanergy from January 2020 to December 2022. In December 2022 Quanergy filed a voluntary petition for relief under Chapter 11 of the Bankruptcy Code in the U.S. Bankruptcy Court for the District of Delaware. From July 2018 through March 2020, Mr. Kennedy was a senior managing director at Blue Ridge Partners, a consulting firm that advises companies on accelerating profitable revenue growth. Prior to that, Mr. Kennedy served as President, Chief Executive Officer and member of the Board of Directors of Avaya Inc., a leading global provider of business communications applications, systems and services, positions he held from January 2009 to October 2017. In January 2017, Avaya Inc. filed a voluntary petition for relief under Chapter 11 of the Bankruptcy Code with the U.S. Bankruptcy Court for the Southern District of New York. Prior to joining Avaya, Mr. Kennedy was Chief Executive Officer of JDS Uniphase Corporation, a provider of optical products and test and measurement solutions for the communications industry, from September 2003 to December 2008, also serving as JDS Uniphase's President from March 2004 to December 2008. From 2001 to 2003, he served as Chief Operating Officer of Openwave Systems, Inc., a provider of software solutions for the communication and media industries. Previously, Mr. Kennedy spent nearly eight years at Cisco Systems, Inc. and 17 years at Bell Laboratories. In 1987, Mr. Kennedy was a Congressional Fellow to the U.S. House of Representatives on Science, Space and Technology. In January 2012, Mr. Kennedy was appointed to the President's National Security Telecommunications Advisory Committee by former President Barack Obama. Mr. Kennedy holds a Carnegie Mellon University Software Engineering Institute CERT Certificate for Cybersecurity Oversight.As a member of the Boards of Directors of Digital Realty Trust, Inc. and UL Solutions Inc., and a former senior executive at Avaya, JDS Uniphase, Quanergy and Openwave, Mr. Kennedy possesses a vast amount of leadership and operational experience with companies in high technology industries. Also, as the holder of a Ph.D. degree in engineering from Rutgers University, a member of President Obama's National Security Telecommunications Advisory Committee, a former Congressional Fellow to the U.S. House of Representatives Committee on Science, Space and Technology, and the author of more than 30 papers on computational methods, data networking and technology management, Mr. Kennedy offers relevant expertise in a broad range of technology matters. Other U.S. Public Company Boards: Digital Realty Trust, Inc. (since 2013) UL Solutions Inc. (since 2020) Maxeon Solar Technologies, Ltd. (2020 to 2022) Quanergy Systems, Inc. (2020 to 2023)

Mr. McMullen is the former Chief Executive Officer and President of Agilent Technologies (Agilent), a global leader in life sciences, diagnostics and applied chemical markets, providing application focused solutions that include instruments, software, services and consumables for the entire laboratory workflow, roles he held since 2015 and 2014, respectively, until his retirement in May 2024. Mr. McMullen then served as a senior advisor to Agilent from May 2024 to October 2024. In his over forty-year career at Agilent and its predecessor, Hewlett-Packard Company, Mr. McMullen held numerous leadership positions, including Chief Operating Officer from 2014 to 2015, and Senior Vice President, Agilent and President, Chemical Analysis Group from 2009 to 2014. Prior to that, he served in various capacities for Agilent, including Vice President and General Manager of the Chemical Analysis Solutions Unit of the Life Sciences and Chemical Analysis Group and Country Manager for Agilent's China, Japan and Korea Life Sciences and Chemical Analysis Group. Prior to that, Mr. McMullen served as Controller for the Hewlett-Packard Company and Yokogawa Electric Joint Venture from 1996 to 1999. Mr. McMullen has served as a member of the Board of Directors of Bristol-Myers Squibb Company since 2024.Other U.S. Public Company Boards: Bristol-Myers Squibb Company (since 2024) Agilent Technologies, Inc. (2015 to 2024) Coherent, Inc. (2018 to 2022)

Mr. Peng has served as Chief Executive Officer of PsiQuantum, a private company founded in 2016 that builds thousands of wafers of quantum chips in a tier-1 foundry, operates cryogenic cabinets designed to support hundreds of chips, and is optimizing fault-tolerant algorithms that will solve valuable problems using its first-generation computers, since February 2026. He previously served as President, Adaptive and Embedded Computing Group at Advanced Micro Devices, Inc. (AMD) from February 2023 until his retirement in August 2024. Mr. Peng rejoined AMD in 2022 after 14 years at Xilinx, most recently serving as its President, Chief Executive Officer and member of the Board of Directors. Mr. Peng has over 40 years of experience defining and delivering leadership technologies across FPGAs, SoCs, GPUs and high-performance CPUs. Mr. Peng serves on the Boards of Directors of PsiQuantum and Microchip Technology, Inc. During his tenure as Chief Executive Officer of Xilinx, Mr. Peng solidified Xilinx's leadership as the number 1 provider of FPGAs and Adaptive SoCs and led the development of Xilinx's strategic growth strategy. Mr. Peng oversaw Xilinx's transformation from a silicon to platform solutions provider, including the introduction of the industry's first Adaptive Compute Acceleration Platforms with the launch of the Versal ACAP family, a new line of Alveo data center accelerator cards, and a unified software suite that simplifies the development of software and accelerated applications on Xilinx products. In his previous role as Chief Operating Officer, Mr. Peng managed Global Sales, Product and Vertical Marketing, Product Development, and Global Operations and Quality. Prior to that, he served as Executive Vice President and General Manager of Products, leading the definition, development, and marketing for the company's portfolio of products and differentiated technologies. Prior to joining Xilinx, Mr. Peng worked at AMD as Corporate Vice President of silicon engineering for the Graphics Products Group and led the central silicon engineering team supporting graphics, game console products, and CPU chipsets. Prior to that, Mr. Peng held executive and engineering leadership roles at TZero Technologies, MIPS Technologies, SGI, and Digital Equipment Corp. Mr. Peng holds four U.S. patents. He earned a Bachelor's degree in Electrical Engineering from Rensselaer Polytechnic Institute and holds a Master's degree also in Electrical Engineering from Cornell University. As the current Chief Executive Officer of PsiQuantum, the former President, Adaptive, Embedded, and AI Group, of AMD, a current member of the Boards of Directors of PsiQuantum, Microchip Technology, Inc., and Rambus, Inc. and with his over 30 years of experience in the semiconductor industry, Mr. Peng provides our Board with extensive and relevant leadership and international operations experience.Other U.S. Public Company Boards: Microchip Technology, Inc. (since 2025) Rambus, Inc. (since 2026) Xilinx, Inc. (2017 to 2022)

Ms. Hanley held various positions at Lear Corporation, a designer and manufacturer of automotive seating systems and electrical distribution systems and related components, from 1994 until January 2019, most recently serving as Senior Vice President and President of the E-Systems Division. Other positions at Lear Corporation she held included Corporate Vice President, Global Surface Materials, Corporate Vice President, Americas Seating Business Unit and Vice President, Global Strategy and Business Development. Ms. Hanley also serves on the Board of Directors of Tenneco Inc. Ms. Hanley earned her bachelor's degree in mechanical engineering in 1994 and her master's degree in business administration in 2000 from the University of Michigan.Other U.S. Public Company Boards: QuantumScape Corporation (since 2021)

Mr. Samath is Executive Vice President, Chief Financial Officer and Enterprise Technology Leader at Intuitive Surgical, Inc., a global technology leader in minimally invasive care and the pioneer of robotic-assisted surgery. At Intuitive, Mr. Samath leads a multi-faceted organization where he oversees information technology, real estate and workplace services, purchasing, and finance. In his 13 years with Intuitive, Mr. Samath has held various roles, including Senior Vice President of Finance, Corporate Controller and Principal Accounting Officer. Prior to joining Intuitive, Mr. Samath was Vice President Finance, Corporate Controller and Principal Financial Officer at Atmel Corporation, and served in various finance roles at National Semiconductor Corporation. Mr. Samath earned his bachelor's degree in Business Studies from London Metropolitan University and was certified as a Certified Public Accountant (inactive).

Ms. Taylor served as Chief Accounting Officer of Meta Platforms, Inc., a social media and technology company, from April 2017 until June 2023. From 2012 to 2017, Ms. Taylor served as Vice President, Controller, and Chief Accounting Officer of LinkedIn Corporation, a professional social networking company. From 2009 to 2012, Ms. Taylor served as the Vice President, Controller, and Chief Accounting Officer of Silver Spring Networks, Inc., a provider of networking solutions. From 2008 to 2009, Ms. Taylor served as the Senior Director, Accounting Policy of Yahoo! Inc. Prior to Yahoo!, Ms. Taylor spent over thirteen years at PricewaterhouseCoopers, a global professional services accounting firm, in various roles within the firm's assurance practice. Ms. Taylor has served on the Boards of Directors of Everpure, Inc. (formerly Pure Storage, Inc.) since 2018 and Pattern Group, Inc. since 2025. Ms. Taylor received a Bachelor of Commerce degree from the University of Toronto and is a Certified Public Accountant (inactive) in California.Other U.S. Public Company Boards: Everpure, Inc. (formerly Pure Storage, Inc.) (since 2018) Pattern Group, Inc. (since 2025)

Mr. Conley will be elected to the board at the Annual Meeting 2025. He has served as Executive Vice President and Chief Financial Officer of Roper Technologies, Inc. (Roper), a company that operates market leading businesses that design and develop vertical software and technology enabled products for a variety of defensible niche markets, since February 2023. Mr. Conley joined Roper in 2006 and served as the company's Chief Accounting officer along with leadership roles in financial planning and analysis, investor relations, and CFO for a Roper operating company. Mr. Conley has been instrumental in transforming Roper from a diversified industrial to a leading vertical software and technology enterprise. Mr. Conley earlier served in roles of increasing responsibility at Honeywell International and Deloitte. Mr. Conley received a BA from the University of Washington and an MBA from the Kellogg School of Management. Mr. Conley is not standing for reelection to the Board at the Annual Meeting 2026

Ms. Embree is the former President of Otis Americas, a division of Otis Worldwide Corporation (Otis), the world's leading elevator and escalator manufacturing, installation and service company, having served in that role from October 2023 to April 2025. Prior to joining Otis, Ms. Embree spent 23 years with Cummins Inc. in various global leadership roles, including President of the Distribution Business. Ms. Embree has served on the Boards of Directors for Lennox International Inc. since June 2025 and Kirby Corporation since 2026, and previously served on the Board for Louisiana-Pacific Corporation from February 2016 to May 2025. Ms. Embree holds a bachelor's degree in chemical engineering from Massachusetts Institute of Technology and an MBA from Harvard Business School.Other U.S. Public Company Boards: Lennox International Inc. (since 2025) Kirby Corporation (since 2026) Louisiana-Pacific Corporation (2016 to 2025)

Virendra Kirloskar has served as the Company's Senior Vice President and Chief Accounting Officer since March 2008. Mr. Kirloskar rejoined the Company as Vice President and Corporate Controller in May 2003 and served in that role until March 2008, other than the period from August 2006 to August 2007, during which time he held management responsibilities within KLA India. Prior to that, from June 2002 to April 2003, Mr. Kirloskar served as Corporate Controller of Atmel Corporation, a designer and manufacturer of semiconductor integrated circuits. Mr. Kirloskar also held various finance positions within KLA from 1993 to 1999. Mr. Kirloskar received his bachelor's degree in commerce from the University of Pune, India and his master's degree in business administration from the University of Massachusetts Amherst.