Board of Directors

Experience: Mr. Andrasick joined the Board in 2012 and became Chairman of the Board on January 1, 2019. He was the Chairman of Matson Navigation Company's board of directors, until his retirement in 2009, and was its President and Chief Executive Officer from 2002 through 2008. Prior to his positions at Matson Navigation, he was the Chief Financial Officer of Alexander & Baldwin, Inc., the parent company of Matson Navigation, and was responsible for all business development activity. Prior to that, Mr. Andrasick was president for 8 years of C. Brewer & Company, Ltd., a privately-held international agribusiness, transportation and real estate development company based in Honolulu. He recently served as a Trustee and Chair of the finance committee of Mills College and is presently a Trustee of the U.S. Coast Guard Foundation, a Trustee of the Santa Lucia Conservancy, and a Trustee and Chairman of the Big Sur Land Trust. He also previously served as a director and the Chairman of the board of the American Red Cross, Hawaii State Chapter, as well as served on the boards of the Aloha United Way, Arthritis Foundation and Hawaii Maritime Center. He was the Chairman and a Trustee of the University of Hawaii Foundation.

Contribution to and function on the Board: Mr. Andrasick brings to the Board a balanced perspective and his consensus-building style along with his business acumen stemming from his 40 years of business experience, including international experience. He also brings his financial and capital allocation and management expertise, and a strong understanding of developing markets. His experience in developing the China market for Matson Navigation, in real estate development for Alexander & Baldwin and in mergers and acquisitions gives him a unique understanding of the Company's current opportunities, and his strong financial and operations background adds depth to the Board's understanding of our business. He is the Chair of the Board as of January 1, 2019 and a member of the Audit and Finance, Corporate Strategy and Acquisitions, Nominating and ESG, and Compensation and Leadership Development Committees.

Experience: Ms. Chatman joined the Board in 2004. She is the Paul J. Cortese Distinguished Professor of Management Haas School of Business, University of California, Berkeley. Before joining the Berkeley faculty in 1993, she was a professor of the Kellogg Graduate School of Management, Northwestern University. She received her Ph.D. from Berkeley in 1988. She is a Trustee of Prospect Sierra School. In addition to her research and teaching at Berkeley, she consults with a wide range of organizations and is the faculty director of the Berkeley Executive Leader Program.

Contribution to and function on the Board: Ms. Chatman brings to the Board a deep understanding of organizational structure, leadership and compensation that gives us an objective perspective in interpreting and leveraging our unique culture to achieve our strategic objectives. She also brings insights into the Company's strategy and process of formulating a sound, realistic strategy. She is able to focus on the organizational culture and its significance to the Company along with important considerations as the Company grows and changes. She brings her expertise in human resources along with a balanced perspective and her academic knowledge from a research perspective of business. She is the Chair of the Nominating and ESG Committee and a member of the Compensation and Leadership Development Committee.

Experience: Mr. Cusumano joined the Board in 2007. He was with the Newhall Land and Farming Company for more than 35 years, most recently as the Chairman of its board of directors, until his retirement in 2006. He is a director of Forest Lawn Memorial Park and the J.G. Boswell Company and was a director of Granite Construction, Inc., Sunkist Growers, Inc., Watkins-Johnson Company and Zero Corporation and has served on the boards of many not-for-profit and community service organizations.

Contribution to and function on the Board: Mr. Cusumano brings to the Board his deep understanding of real estate development, which along with his business acumen and focus, give him the ability to constructively challenge management in a positive manner. He also brings to the Board a balanced perspective from both the management and board member perspectives given his extensive leadership abilities and significant boardroom experience. He is the Chair of the Compensation and Leadership Development Committee and a member of the Corporate Strategy and Acquisitions Committee.

Experience: Mr. Donaldson joined the Board in 2018. He has been the Chief Financial Officer at Andersen Corporation since 2004 and serves as its Executive Vice President, a member of its Executive Committee, and on its Board of Directors. Andersen Corporation is a leading maker of windows and doors for residential and commercial markets with 11,000 employees in locations across North America and sales worldwide. Prior to joining Andersen Corporation in 1999, Mr. Donaldson spent sixteen years at Armstrong World Industries, Inc. in various management roles in sales and marketing, quality management, manufacturing, and general management. Mr. Donaldson also serves as the Chair the Board of Directors of HealthPartners, Inc.

Contribution to and function on the Board: Mr. Donaldson has extensive industry, operational and financial management experience and brings to the Board his strong focus on driving shareholder value as well as expertise in capital markets financing, acquisitions and integration, information systems and technology, and sales and marketing. He is the Chair of the Audit and Finance Committee and a member of the Corporate Strategy and Acquisitions Committee.

Experience: Ms. Ford joined the Board in 2014. She was the Chief Executive Officer of Stellar Solutions, Inc., from the time she founded the company in 1995 until 2018, when she transitioned to board chair. Stellar Solutions is a global provider of systems engineering expertise and a recognized leader in government and commercial aerospace programs. She is a proven leader of the Stellar companies, including Stellar Solutions, Inc., which provides engineering services, Stellar Solutions Aerospace Ltd. their UK-based affiliate, Stellar Solutions Aerospace France, QuakeFinder, the humanitarian R&D division of Stellar Solutions, and the Stellar Solutions Foundation, a division focused on charitable giving to promote community involvement and outreach efforts. Ms. Ford has public board experience, previously serving on the boards of Heritage Commerce Corporation and one of its subsidiaries, Heritage Bank of Commerce, and on the board of Seagate Government Solutions, which is a business unit of Seagate Technology Public Limited Company. She is also a part of the University of Notre Dame Board of Trustees, the American Conservatory Theater and the Business Advisory Counsel of Illuminate Ventures.

Contribution to and function on the Board: Ms. Ford brings to the Board her proven record of leadership and entrepreneurial spirit as well as her deep understanding of and experience with cyber, technology and software. She also brings her deep knowledge of strategic planning, a significant focus of the Company, and risk management. Additionally, she brings her valuable insights regarding activities in Europe. She is the Chair of the Corporate Strategy and Acquisitions Committee and a member of the Audit and Finance Committee.

Experience: Mr. Knight is the Chief Executive Officer of Invitae Corporation (NYSE: NVTA), a genetic testing company. He has served in this position since July 2022, and previously served as Chief Operating Officer, from 2020 to 2022. Additionally, he has served as a member of the board of directors of Invitae since July 2022. Prior to that, Mr. Knight was Vice President, Amazon Transportation Services, at Amazon from 2019 to 2020, and was its Vice President, Global Delivery and Fulfillment, Human Resources from 2016 to 2019. Mr. Knight also serves as a member of the Georgia Tech President’s Advisory Board.

Contribution to and function on the Board: Mr. Knight has a strong and extensive background in industrial manufacturing and brings to the board his expertise in merger and acquisitions, customer and innovative growth, building supply management and domestic and international sourcing and distribution. He is a member of the Audit and Finance and Nominating and ESG Committees.

Experience: Ms. MacGillivray joined the Board in 2004. She retired from AT&T Inc. in 2014 with nearly 15 years of executive leadership experience as a corporate officer. From 2010 until her retirement in 2014 she was Senior Vice President — One AT&T Integration where she led the implementation of hundreds of world-wide initiatives designed to integrate merged organizations for optimal customer service and financial performance. Prior to that, she was Senior Vice President — Regional and Local Markets, responsible for service and sales of AT&T's small business customers nationwide. Previously, she was President of Business Communications Services for AT&T's western region, where she served the needs of small, medium and large businesses, including government, education and health care accounts. Over the course of her 35-year career, she held leadership positions in a variety of other areas, including engineering, operations, construction, finance and human resources.

Contribution to and function on the Board: Ms. MacGillivray brings to the Board her significant experience with mergers and acquisitions, particularly the integration of acquired entities. As a result of her accomplishments at AT&T, she also brings her substantial experience with and understanding of corporate culture, how to build teams, leadership development and change management. She also brings her dedication to corporate governance. She is a member of the Nominating and ESG and Compensation and Leadership Development Committees.

Experience:Mr. Olosky has served as our President and Chief Executive Officer since January 2023. From January 2022 to December 2022, Mr. Olosky previously served as our President and Chief Operating Officer, and from November 2020 to January 2022, as our Chief Operating Officer. Prior to joining Simpson, Mr. Olosky spent more than 22 years in numerous leadership positions at Henkel, a global chemical and consumer goods company. He most recently served as the Regional President, Henkel North America and Head of the Electronics and Industrial Division.

Contribution to and function on the Board: Mr. Olosky brings to the board over 25 years of industry experience, a proven track record of leadership, and a dedication to the ongoing success of the Company. He has played an integral role in defining the Company’s growth strategy and brings his deep knowledge of Simpson’s daily operations, company performance and growth initiatives. Mr. Olosky’s experience at Henkel includes over nine years of international operations leadership, providing unique and valuable insights regarding activities in Europe. He is committed to maintaining the Company’s culture with a continued focus on innovation and customer service, and has demonstrated a commitment to integrity in all aspects of the Company’s business and transparency during his leadership.