Summit Materials Announces CEO Succession Plan - Seite 2

About Anne Noonan

Anne Noonan brings over 30 years of senior leadership experience at publicly traded materials companies. Most recently, Ms. Noonan served as President and Chief Executive Officer of OMNOVA Solutions Inc. (NYSE: OMN), a $760 million global producer of emulsion polymers, specialty chemicals, and decorative and functional surfaces, from November 2016 through January 2020. During her tenure, she transformed the company into a high performing specialty solutions provider demonstrating 31% revenue and 22.5% EBITDA growth in high value specialty markets. Ms. Noonan joined OMNOVA in September 2014 as President of its Performance Chemicals business segment. Prior to OMNOVA, Ms. Noonan spent 27 years at Chemtura Corporation, a global manufacturer of specialty chemicals. She most recently served as Senior Vice President and President of Chemtura’s Industrial Engineered Products business and previously held a dual role as Vice President of Strategic Business Development for Chemtura and President of its Great Lakes Solutions business. During her tenure with Chemtura, Ms. Noonan held leadership roles across a wide range of disciplines, from strategic marketing to product development and innovation, to mergers and acquisitions and general management. Ms. Noonan began her career as an analytical research chemist for a joint venture between Squibb-Linson, Tate & Lyle and McNeil Specialty Chemical Company.

Ms. Noonan serves on the board of CF Industries, a global leader in nitrogen fertilizer manufacturing and distribution. She earned her Bachelor of Science Honors degree in chemistry and her Master of Science in organometallic chemistry from University College Dublin, Ireland.

About Summit Materials

Summit Materials is a leading vertically integrated materials-based company that supplies aggregates, cement, ready-mix concrete and asphalt in the United States and British Columbia, Canada. Summit is a geographically diverse, materials-based business of scale that offers customers a single-source provider of construction materials and related downstream products in the public infrastructure, residential and nonresidential end markets. Summit has a strong track record of successful acquisitions since its founding and continues to pursue growth opportunities in new and existing markets. For more information about Summit Materials, please visit www.summit-materials.com.