Board of Directors – Teradyne Inc.

Teradyne | Board of Directors

Supervisory Board

Peter Herweck Former Chief Executive Officer of Schneider Electric

Mr. Herweck, 58, served as Chief Executive Officer of Schneider Electric from May 2023 to November 2024. Prior to serving as Schneider Electric’s Chief Executive Officer, Mr. Herweck served as Chief Executive Officer of the AVEVA Group plc from May 2021 to March 2023. Prior to AVEVA Group, Mr. Herweck served as Executive Vice President of Schneider Electric’s global Industrial Automation business and on Schneider Electric’s Executive Committee from October 2016 to April 2021. Mr. Herweck has been a director of the AVEVA Group plc from March 2018 until January 2023 when it was taken private.

Mr. Herweck contributes valuable executive experience within the global industrial automation industry as well as extensive knowledge of the issues affecting complex industrial automation companies.

Qualifications/Skills:
C-Level - Global Business - Robotics Industry - M&A - Sales & Marketing - Technical Product Development - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight - Cybersecurity and Information Security - Climate-related Risk

Member of the Nominating and Governance Committee

Chair of the Compensation Committee

Mercedes Johnson Former Chief Financial Officer of Avago Technologies

Ms. Johnson, 70, served as Interim Chief Financial Officer of Intersil Corporation from April 2013 to September 2013 and as the Senior Vice President and Chief Financial Officer of Avago Technologies Limited from December 2005 to August 2008. Prior to joining Avago, Ms. Johnson was Senior Vice President, Finance, of Lam Research Corporation from June 2004 to January 2005 and Chief Financial Officer of Lam from May 1997 to May 2004. Ms. Johnson has been a director of Synopsys, Inc. since February 2017, and a director of Analog Devices, Inc. since August 2021. Ms. Johnson was a director of Intersil Corporation from August 2005 to February 2017, a director of Micron Technology, Inc. from June 2005 to January 2019, a director of Juniper Networks, Inc. from May 2011 to May 2019, a director of Maxim Integrated Products from September 2019 until its acquisition by Analog Devices, Inc. in August 2021, and a director of Millicom International Cellular S.A. from May 2019 to May 2023.

Ms. Johnson contributes valuable industry and operational experience as a former senior financial executive at semiconductor and semiconductor equipment companies as well as a current member of the boards of directors of global technology companies.

Qualifications/Skills:
C-Level - Global Business - Semiconductor and Electronics Industry - M&A - Financial - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight

Chair of the Audit Committee

Ernest Maddock Former CFO of Micron

Mr. Maddock, 65, served as Senior Vice President and Chief Financial Officer of Micron Technology, Inc. from 2015 until his retirement in 2018. Prior to that, he served as Executive Vice President and Chief Financial Officer of Riverbed Technology, Inc. from 2013 to 2015. From 1997 to 2013, Mr. Maddock served in various roles at Lam Research Corporation, culminating in the position of Chief Financial Officer from 2008 to 2013. Mr. Maddock has served on the boards of directors of Ultra Clean Holdings Inc. since June 2018, Avnet since August 2021, and Ouster, Inc. (successor following merger with Velodyne Lidar, Inc) since January 2022. Mr. Maddock previously served on the Board of Intersil Corporation from 2015 until its acquisition in 2017.

Mr. Maddock contributes over 35 years of experience in the technology industry serving in operations, technology and finance roles including 10 years as a public company Chief Financial Officer.

Qualifications/Skills:
C-Level - Global Business - Semiconductor and Electronics Industry - M&A - Technical Product Development - Financial - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight

Member of the Audit Committee

Marilyn Matz Chief Executive Officer of Paradigm4, Inc.

Ms. Matz, 70, is a co-founder of Paradigm4, Inc. and has served as its Chief Executive Officer and Chair of the Board of Directors since December 2009. Previously, Ms. Matz was a co-founder of Cognex Corporation where she held a variety of leadership positions in engineering and business operations from March 1981 to December 2008 including her final role as Senior Vice President and Business Unit Manager of its PC Vision Products Group. Ms. Matz served on the Board of Directors for LogMeIn, Inc. from September 2014 to February 2017.

Ms. Matz contributes valuable technical expertise and leadership experience from more than 40 years in automation, machine vision and software analytics related industries.

Qualifications/Skills:
C-Level - Global Business - Robotics Industry - Sales & Marketing - Technical Product Development - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight - Cybesecurity and Information Security

Chair of the Nominating and Governance Committee

Member of the Compensation Committee

Greg Smith President and CEO of Teradyne

Mr. Smith, 61, is the President and Chief Executive Officer of Teradyne. Mr. Smith was the President of Robotics at Teradyne from October 2020 through July 2023. Prior to leading Robotics, Mr. Smith was the President of the Semiconductor Test Business, Teradyne’s largest operating segment, from February 2016 to October 2020. Mr. Smith began his career at Raytheon as a test engineer and held numerous engineering and management roles in the

semiconductor test industry before joining Teradyne in 2006.

Mr. Smith contributes valuable executive experience from his 18 years in multiple management roles, including as President and Chief Executive Officer, within Teradyne.

Qualifications/Skills:
C-Level - Global Business - Semiconductor and Electronics Industry - Robotics Industry - M&A - Sales & Marketing - Technical Product Development - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight

Ford Tamer Chief Executive Officer of Lattice Semiconductor Corporation

Mr. Tamer, 62, is the CEO and Board Member of Lattice Semiconductor Corporation. Prior to this role, he served as Senior Operating Partner at Francisco Partners since October 2022. Mr. Tamer also served as Chief Executive Officer of Inphi Corporation from February 2012 until April 2021. Mr. Tamer served as President and Chief Executive Officer of Telegent Systems from 2010 to 2012. Prior to that time, he served as a partner of Khosla Ventures from 2007 to 2010 and Senior Vice President and General Manager of Broadcom’s Infrastructure Networking from 2002 to 2007. Mr. Tamer also was the co-founder and Chief Executive Officer of Agere, Inc., which was acquired by Lucent Microelectronics. Mr. Tamer has been a director of Marvell Technology, Inc. since April 2021. Mr. Tamer was director of Inphi Corporation from February 2012 until its acquisition by Marvell Technology, Inc. in April 2021.

Mr. Tamer contributes significant executive and operational experience at global semiconductor companies as well as extensive knowledge of the issues affecting Teradyne’s customers and suppliers.

Qualifications/Skills:
C-Level - Global Business - Semiconductor and Electronics Industry - M&A - Sales & Marketing - Technical Product Development - Financial - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight - Cybersecurity and Information Security - Climate-related Risk

Member of the Audit Committee

Paul J. Tufano Chair of the Board, Teradyne, Inc. and Former Chief Executive Officer of Benchmark Electronics

Mr. Tufano, 70, served as President and Chief Executive Officer of Benchmark Electronics, Inc. from September 2016 to March 2019. Mr. Tufano served as the Chief Financial Officer of Alcatel-Lucent from December 2008 to September 2013 and Chief Operating Officer of Alcatel-Lucent from January 2013 to September 2013. He was Executive Vice President of Alcatel-Lucent from December 2008 to January 2013. He also served as a consultant for Alcatel-Lucent from September 2013 to April 2014. Mr. Tufano was the Executive Vice President and Chief Financial Officer of Solectron Corporation from January 2006 to October 2007 and Interim Chief Executive Officer from February 2007 to October 2007. Prior to joining Solectron, Mr. Tufano worked at Maxtor Corporation where he was President and Chief Executive Officer from February 2003 to November 2004, Executive Vice President and Chief Operating Officer from April 2001 to February 2003 and Chief Financial Officer from July 1996 to February 2003. From 1979 until he joined Maxtor Corporation in 1996, Mr. Tufano held a variety of management positions in finance and operations at International Business Machines Corporation. Mr. Tufano has been a director of EnerSys since April 2015. Mr. Tufano served on the Board of Directors of Benchmark Electronics, Inc. from February 2016 to March 2019.

Mr. Tufano contributes widespread knowledge of the issues confronting complex technology and manufacturing companies and extensive financial reporting and operational expertise.

Qualifications/Skills:
C-Level - Global Business - Semiconductor and Electronics Industry - M&A - Financial - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight

Member of the Compensation Committee

Member of the Nominating and Governance Committee

Bridget A. van Kralingen Partner at Motive Partners

Ms. van Kralingen, 60, has been a Partner at Motive Partners since November 2022. Prior to Motive Partners, she served in various leadership positions at IBM Corporation from April 2004 through December 2021, including most recently leading IBM's Global Sales and Markets Division. Before joining IBM in 2004, Ms. van Kralingen served as Managing Partner, US Financial Services with Deloitte Consulting. Ms. van Kralingen has been a director of Royal Bank of Canada since June 2011, a director of Travelers Insurance since January 2022, and a director of Discovery Limited since June 2022.

Ms. van Kralingen contributes extensive global business experience as a former executive of a global technology company and has significant expertise in information technology services, international operations, and global sales and business development.

Qualifications/Skills:
C-Level - Global Business - M&A - Sales & Marketing - Technical Product Development - Financial - Legal/Regulatory Compliance and Risk Oversight - ESG Oversight - Cybersecurity and Information Security

Member of the Compensation Committee

Member of the Nominating and Governance Committee