Age 52 Independent director since 2023 Board Committees Audit Finance Career Highlights and Qualifications Cornerstone Building Brands, Inc., a leading manufacturer of exterior building products for residential buildings Chief Executive Officer (August 2025-Present) Owens Corning , a global building and construction materials leader President, Roofing (2018-August 2025) Member of the Executive Committee of Owens Corning (2018-August 2025) Served in various executive positions, including Vice President of Distribution and Home Center Sales; and held various positions leading sales, marketing and pricing PlyGem Industries , a manufacturing company specializing in windows, doors, siding, fence, rail and stone veneer (2007-2008) National Sales Manager Other Current Affiliations President and Board of Directors, Asphalt Roofing Manufacturers Association Board of Directors, Toledo Zoo and Aquarium Attributes and Skills Mr. Smith brings to the Board executive leadership experience, business perspective, manufacturing and commercial expertise and valuable insight in the dynamic competitive markets, which are complementary to the mix of skills on our Board. His current and past leadership roles and operational expertise in critical functions of global companies provide him with an extensive understanding of strategy and business development, risk oversight and management, and innovation and intellectual property. As a member of non-profit organizations, Mr. Smith brings a wealth of perspectives on corporate social responsibility.