CHD 10-K Fiscal year ended Dec. 31, 2021

Bob Pragada brings over 30 years of experience in international business leadership and military service to the Board. In January 2023, he succeeded Mr. Demetriou as the Chief Executive Officer of the Company. Since joining Jacobs in 2006, he has held various leadership roles, including President and Chief Operating Officer from 2019 to 2023, and President of both People & Places Solutions and Global Industrial and Buildings & Infrastructure Groups. Mr. Pragada has been instrumental in developing and executing the Company’s business strategy, driving global integrated delivery of its operations, and differentiating Jacobs in the industry. He played a key role in the Company’s portfolio transformation, including the acquisition and integration of CH2M Hill and majority ownership of PA Consulting. In his current role, appointed in January 2023, Mr. Pragada has led the spin-off of Jacobs’ Critical Mission Solutions and Cyber & Intelligence government services businesses and the subsequent merger of those business with Amentum, creating a new publicly traded entity in the government services sector. His diverse leadership experience and deep knowledge of Jacobs are invaluable as the Company continues to position itself as a premier provider of science-based consulting and advisory solutions, addressing some of the world’s most complex infrastructure and sustainability challenges. Business Experience • Chief Executive Officer of the Company (2023 – present) • Various leadership positions within the Company, including President and Chief Operating Officer (2006-2014, 2016-2023) • President and Chief Executive Officer of the Brock Group (2014-2016) • Chief Operating Officer of Kinetics (1999-2005) • Civil Engineer Corps and Seabee Officer in U.S. Navy (1990-1999) Education • BS in Systems Engineering from United States Naval Academy • MS in Engineering and Management from Stanford University Public Boards • Eaton Corporation plc (2021 – present) Private Boards & Community Involvement • Director of PA Consulting Group Limited • Board Director of U.S. Naval Academy Foundation • Board Director of Dallas Regional Chamber (Chair, 2022) • Board Director of New York Stock Exchange • Advisory Council Member of Dallas Mavericks

Mr. Robertson brings vital knowledge and experience to the Board from his 36-year career at Chevron Corporation. He also brings valuable international experience in developed and developing countries, including interactions with governments at the highest levels, from his executive experience and the multiple chairmanship and director positions he has held and currently holds. Mr. Robertson also has extensive experience on the boards of not-for-profit entities and public company boards, both with global reach, as well as important accounting know-how and experience with public company financial statements, disclosures and accounting rules from his service as Chief Financial Officer of Chevron USA. Business Experience • Executive Vice President, Director and Vice Chairman of Chevron Board (2002-2009) • President of Chevron’s worldwide exploration, production and global gas businesses (2002-2004) • President of Chevron’s overseas exploration and production businesses (2000-2002) • President of Chevron’s North America exploration and production businesses (1996-2000) • President of Chevron’s natural gas processing business (1990-1994) • Chief Financial Officer of Chevron USA (1985-1990) Education • BS in Mechanical Engineering from the University of Edinburgh • MBA from the University of Pennsylvania, Wharton School, where he was a Thouron Scholar Public Company Boards • Vice Chairman of the Board for Chevron Corporation (2002-2009) • Sasol Limited (2012-2021) • Dynegy Inc. (1996-2000) Private Boards & Community Involvement • Director International House at Berkeley, 2003-Present • Director, Sylvan Source, Inc. (2016-present) • Co-chairman of the US Saudi Arabian Business Council (2009-2018) • Chairman of the World Affairs Council of Northern California (2009-2018) • Chairman of the US Energy Association (2006-2008)

Priya Abani (she, her) CEO & President, Member of Board of Directors at AliveCor Director Since: 2021 Independent Age: 49 Board Committees: • Audit • Nominating & Corporate Governance

Peter J. Robertson (he, him) Former Executive Vice President, Director and Vice Chairman of the Board of Directors of Chevron Corporation Director Since: 2009 Independent Age: 77 Board Committees: • ESG & Risk • Human Resource & Compensation (Chair)

Michael Collins (he, him) Partner of Bain & Company Director Since: 2024 Independent Age: 59 Board Committees: • Audit • Human Resource & Compensation

Primary responsibilities include: • Identifying for the Board of Directors qualified candidates to serve as directors of the Company • Establishing and making recommendations to the Board regarding corporate governance policies, principles and guidelines • Overseeing the Annual Self-Evaluation of the Board • Establishing and recommending to the Board outside director compensation • Overseeing the Company’s ethics and compliance programs • Overseeing ESG related matters delegated from the ESG & Risk Committee

Manny Fernandez (he, him) Former Managing Partner with KPMG LLP Director Since: 2020 Independent Age: 62 Board Committees: • Audit (Chair) • ESG & Risk

Mr. Pinkham is the Chief Executive Officer of Regal Rexnord Corporation, a global leader in the engineering and manufacturing of automation sub-systems, industrial powertrain solutions, electric motors and air moving products, with approximately $6 billion in sales and 30,000 associates. His areas of focus are innovation and growth initiatives, including leading the 2021 RMT merger of Regal Beloit with Rexnord’s Process & Motion Control segment and the 2023 acquisition of Altra Industrial Motion Corporation. Mr. Pinkham brings over 20 years of experience in leadership, strategy and transformation. His experience is particularly valuable to the Board as the Company executes its operational transformation and its long-term business strategy.

Julie A. Sloat (she, her) Former President, Chief Executive Officer and Chairman of the Board at American Electric Power Company, Inc. Director Since: 2023 Independent Age: 55 Board Committees: • ESG & Risk (Chair) • Human Resource & Compensation

Ms. Kiser is an independent advisor who helps lead due diligence and technical strategies across various private equity and venture capital firms. Previously, she was managing director and chief information officer (CIO) at The Carlyle Group, leading the firm’s global technology and solutions organization and driving the IT strategies. From 1996 until 2015, she was with T. Rowe Price Associates, where she served as Vice President and Director of Enterprise Solutions and Capabilities where she headed Enterprise Solutions and Capabilities within the Services and Technology Organization. She led and managed teams that provided creative solutions and leveraged technology for investment front office, trading, and back office operations. Prior to T. Rowe Price, Ms. Kiser worked for General Electric within their Aerospace Unit. Ms. Kiser brings extensive experience in developing and executing business initiatives in financial services and defense organizations to the Board. Business Experience • Operating Executive, The Carlyle Group (2019-Present) • Broad Sky Partners (2021-Present) • Chief Information Officer, Managing Director, The Carlyle Group (2015-2019) • Vice President, T. Rowe Price Associates (1996-2015) Education • BS in Mathematics from University of Maryland • MBA from University of Baltimore • Master of Science (MS) in Mathematics from Villanova Public Company Boards • Aflac Inc. (2019-present) • Adtalem Global Education (2018-present) • NCR Corporation (2020-2024) Private Boards & Community Involvement • Director, Claritas (Data driven marketing company) (2018-Present) • Advisor, Advancing Women Executives (AWE) (2022-present) • Advisor, BusinessOptix (Automated business process company) (2020-Present)