Western Digital WDC

Mr. Tan's engineering and MBA background, along with his experience advising governments and industry partners, brings a valuable global strategic perspective to complex business challenges. Through his current service as chairman of the board of directors of SATS Ltd. (Singapore Airport Terminal Services), and his prior board service at Stanley Black & Decker, Inc., Mr. Tan brings valuable insights into international business governance and diverse industry perspectives. Additionally, Mr. Tan's deep knowledge of U.S. and Asian operations and markets is critical to capture significant growth opportunities. CAREER HIGHLIGHTS: Western Digital Corporation: CEO (February 2025-Present); Executive Vice President, Global Operations (March 2022-February 2025). Cisco, a technology conglomerate: Chair of Asia-Pacific Japan & China (January 2021-February 2022); Chief of operations (2019-January 2021); Various positions (2011-2019). OTHER PUBLIC BOARDS: Past Five Years: Stanley Black & Decker, Inc.

Mr. Sennesael has served as our Executive Vice President and Chief Financial Officer since May 2025. Prior to joining our company, he served as the chief financial officer of Skyworks Solutions, Inc., a semiconductor company, from 2016 to May 2025. From 2012 to 2016, Mr. Sennesael served as the chief financial officer of Enphase Energy, Inc. and the chief financial officer of Standard Microsystems Corporation from 2009 to 2012, when it was acquired by Microchip Technology Incorporated. Prior to 2009, Mr. Sennesael served in various financial roles at ON Semiconductor Corp. and AMI Semiconductor, Inc. Mr. Sennesael joined the board of directors of MaxLinear, Inc. in February 2026.

Mr. Shihab has served as our Executive Vice President and Chief Product Officer since March 2025. Prior to joining our company, Mr. Shihab served as corporate vice president, Azure Storage, at Microsoft Corporation, a technology company, from January 2024 to February 2025. From 2016 to January 2024, Mr. Shihab served as vice president, infrastructure hardware, at Amazon Web Services, and as senior vice president and general manager at Xyratex.

Ms. Tregillis has served as our Executive Vice President, Chief Legal Officer and Secretary since February 2025. She was Senior Vice President, Chief Legal Officer and Secretary from January 2024 to February 2025. She served as Senior Vice President, Deputy General Counsel, from July 2021 to January 2024 and Vice President, Deputy General Counsel, from 2018 to June 2021. Since joining our company in 2012, Ms. Tregillis has also held other legal positions of increasing responsibility within our company. Prior to joining our company, Ms. Tregillis practiced intellectual property and commercial litigation at several large law firms from 1995 to 2012, including Orrick Herrington & Sutcliffe LLP and McDermott Will & Emery LLP.

Mr. Gubbi has served as our Executive Vice President and Chief of Global Operations since February 2025. From January 2020 to February 2025, he served as our Senior Vice President of our HDD Operating Unit, and from 2006 to 2019, he served in various other roles of increasing responsibility. From 2005 to 2006, he served as vice president and chief technology officer, research and development, at Maxtor Corp., a hard disk drive company, and from 1997 to 2005, he was an executive director at Seagate Technology plc.

Mr. Cole brings over 40 years of experience as a former executive, CEO and public company board member across a variety of business sectors and geographies, providing deep insights to our Board on long-term strategic planning, technology innovation and corporate governance. In February 2025, Mr. Cole was appointed as our Chair of the Board given his track record of oversight, critical decision-making and extensive stockholder engagement and responsiveness.Through his roles at Accenture plc and Cloudera, Mr. Cole has a demonstrated track record and understanding of how to build and lead successful global businesses through increasingly competitive technology environments.Mr. Cole also serves as the chairman, non-executive and non-independent director of the board of directors of Sagility India Limited, a U.S.-focused healthcare services provider driven with technology, bringing insights into the adoption of AI and data management across large-scale global operations. CAREER HIGHLIGHTS: 3i Group plc, a private equity firm- Senior adviser (2017-February 2025); Cloudera, Inc- Interim CEO (2019-January 2020); Accenture plc- Chief executive - technology (2012-2014), Chief executive - communications, media and technology group (2006-2012), Chief executive - government operating group (2004-2006), Managing partner, outsourcing and infrastructure group (2002-2004). OTHER PUBLIC BOARDS: Current- The Western Union Company.

On May 26, 2026, the Board of Directors of Western Digital Corporation unanimously appointed Manuvir Das to serve as a member of the Board. Das most recently served as Head of Enterprise Computing at NVIDIA, where he led the company's enterprise AI strategy, launched the NVIDIA AI Enterprise software suite, and worked to make AI more accessible and production-ready for enterprise customers worldwide. Prior to NVIDIA, Das led Dell EMC's unstructured data storage business, overseeing the scale-out Isilon NAS platform and the scale-out ECS Object platform. Earlier in his career, he spent 14 years at Microsoft where he was an original engineering leader behind the development of Microsoft Azure. Das earned his master's and doctoral degrees in Computer Science from the University of Wisconsin and his bachelor's degree in Computer Science and Engineering from the Indian Institute of Technology Bombay.

Ms. Kimberly E. Alexy, From her more than 25 years of experience in capital markets, corporate finance and investments across several financial institutions, she brings to our Board deep expertise in finance and first-hand transaction experience. Ms. Alexy also contributes her specialized knowledge of cybersecurity issues, which includes a CERT Certificate in Cybersecurity Oversight for corporate directors issued by the CERT Division of the Software Engineering Institute at Carnegie Mellon University, strengthening our Board's risk oversight function. Additionally, Ms. Alexy has a CFA designation and her financial skills. Career Highlights: Alexy Capital Management, a private investment fund Founder and principal (2005-present); Prudential Securities Senior vice president and managing director (1998-2003); Lehman Brothers Vice president of equity research (1995-1998). OTHER PUBLIC BOARDS: Current: Sandisk Corporation, Netskope, Inc. Past Five Years: Five9, Inc; Mandiant, Inc; Alteryx, Inc.

Ms. Streeter served as the CEO of Libbey Inc., a producer of glass tableware and other tabletop products, from 2011 to 2016, where she developed and implemented a new corporate strategy and reconstructed the company's balance sheet, manufacturing network and cost base. Prior to that, Ms. Streeter served as the acting CEO of the U.S. Olympic Committee from 2009 to 2010 and served on its board of directors from 2004 to 2009. Previously, Ms. Streeter held numerous senior management positions at Banta Corporation, a global technology, printing and supply-chain management company, where she served as chairman, president and CEO, and at Avery Dennison Corporation, a global materials science and manufacturing company. Within the last five years, Ms. Streeter served as a director of Olin Corporation. CAREER HIGHLIGHTS: Libbey Inc. CEO (2011-2016); U.S. Olympic Committee: Acting CEO (2009-2010), Board member (2004-2009); Banta Corporation: President and CEO (2001-2007). OTHER CURRENT PUBLIC COMPANY DIRECTORSHIPS: Past Five Years: Goodyear Tire & Rubber Company; Kohl's Corporation.

Mr. Doluca is the president and chief executive officer of Maxim Integrated, which designs, develops, manufactures and markets a broad range of linear and mixed-signal integrated circuits. CAREER HIGHLIGHTS: Maxim Integrated (acquired by Analog Devices, Inc. in August 2021), an integrated circuits manufacturing company President and CEO (2007-August 2021); Group president (2005-2007); Senior vice president (2004-2005); Vice president (1994-2004). OTHER PUBLIC BOARDS: Past Five Years - Analog Devices, Inc; Maxim Integrated.

Ms. Roxanne M. Oulman, Independent Director. In her roles at Medallia, CallidusCloud and Thoratec, Ms. Oulman led high-growth financial strategies that drove innovation and guided successful corporate transitions that directly relate to our current strategy. As a former audit committee chair and current audit committee member, Ms. Oulman brings valuable experience to our Board's review of capital allocation discipline, cost structure and working capital. CAREER HIGHLIGHTS: Medallia, Inc., a customer experience management company- Chief financial officer (2018-June 2022); CallidusCloud: Chief financial officer (2016-2018); Thoratec Corporation Interim Chief financial officer (2011-2013). OTHER PUBLIC BOARDS: Current- Klaviyo, Inc; Past Five Years: CalAmp Corp.

Mr. Bruce E. Kiddoo, Independent Director. Through his extensive work with public company boards as chief financial officer of Maxim Integrated Products and Broadcom, Mr. Kiddoo is skilled at driving transformational business changes and designing innovative capital structure programs. Mr. Kiddoo has a range of experience across audit and corporate governance matters, and, as a member of the Audit and Governance Committees, has played a key role in overseeing financial reporting processes and enhancing board governance practices since the Separation. CAREER HIGHLIGHTS: Maxim Integrated Products, Inc. Chief financial officer (2007-2019).; Broadcom Corporation: Acting chief financial officer (2006-2007), Various positions, (1999-2006). OTHER PUBLIC BOARDS: Current: ON Semiconductor Corporation.

Mr. Massengill served as our President from January 2000 to January 2002 and our Chief Executive Officer from January 2000 to October 2005 and Chair of the Board (2015-February 2025 and 2001-2007). Mr. Massengill previously also served as Chairman of our Board of Directors from November 2001 to March 2007. Prior to that, Mr. Massengill served as our Chief Operating Officer from October 1999 to January 2000 and in various executive capacities since joining our company in 1985. Within the last five years, Mr. Massengill served as a director of GT Advanced Technologies, Inc. and Microsemi Corporation. OTHER PUBLIC BOARDS: Current- Sandisk Corporation.

Mr. Davis has served as our Executive Vice President and Chief Sales and Marketing Officer since February 2025. From 2013 to February 2025, he served as our Senior Vice President of Worldwide Sales, Channel and Regional OEMs, and from 2003 to 2013, he was Vice President of Worldwide Sales. He also served in various sales positions of increasing responsibility from 1988 to 2003.

On October 31, 2025, the Board of Directors of the Company appointed Brad Feller as Senior Vice President and Chief Accounting Officer of the Company, effective November 14, 2025. Mr. Feller served as senior director of financial operations at Sacred Heart Community Service, a non-profit organization, from March 2024 to October 2025. From January 2023 to April 2023, he served as chief financial officer of Bright Machines, Inc., a factory automation software company, and from April 2021 to December 2022, he served as chief financial officer of Flex Logix Technologies, Inc., a semiconductor chip designing company. From 2014 to 2019, he served as the chief financial officer of Infinera Corporation, an optical networking equipment company, and from 2012 to 2013, he served as interim chief financial officer of Marvell Semiconductor, Inc. Prior to 2012, Mr. Feller served in various finance positions of increasing responsibility at Marvell Semiconductor, Inc. and Integrated Device Technology Inc. Mr. Feller began his career at Ernst & Young LLP.

Mr. Gene Zamiska, Senior Vice President, Global Accounting and Chief Accounting Officer