2021 Owens Corning Sustainability Report | Overview | About Owens Corning | 10 ENERGY STAR Owens Corning’s world headquarters in Toledo, Ohio, U.S., earned the Environmental Protection Agency’s ENERGY STAR rating for 2021. Ethisphere Institute: World’s Most Ethical Companies For the fourth consecutive year, the Ethisphere Institute, a global leader in defining and advancing the standards of ethical business practices, has recognized Owens Corning as one of the world’s most ethical companies. Owens Corning is one of two businesses in the construction and building materials industry to earn this distinction. The Ethisphere Institute honors companies that demonstrate a commitment to improving communities, building capable and empowered workforces, and fostering corporate cultures that are focused on ethics and a strong sense of purpose. In 2021, the Ethisphere Institute honored 135 companies from 22 countries and 47 industries. Fortune 500 ® As of 2021, Owens Corning has been recognized as a Fortune 500 ® company for 67 consecutive years. This year, Owens Corning moved up 18 places on the list to No. 413. Global Knights 100 Most Sustainable Corporations In 2021, Owens Corning earned the top spot for the Building Materials Industry Group, and we were ranked 15th overall. The ranking is based on publicly disclosed data spanning 24 key performance indicators for corporate ESG results. Based on the same data, the company also earned a place on the 2021 Clean200 list (published by Corporate Knights in partnership with As You Sow), which recognizes the world’s most significant publicly traded firms according to the size of clean revenue from products and services that provide solutions for the planet and define the future of clean energy. S&P Global Gold Class Distinction Owens Corning earned Gold Class distinction from S&P Global, the organization’s highest honor for excellence in sustainability performance, for the eighth consecutive year. Owens Corning was the sole Gold Class awardee in the Building Products category. S&P Global is a leading provider of credit ratings, benchmarks and analytics in the global capital and commodity markets. The S&P Sustainability Yearbook looks at performance across such factors as volunteerism, energy and emissions reduction, production efficiency, customer and supplier collaboration, and talent development. Green Power Partnership – National Top 100 In 2021, Owens Corning debuted at No.16 on the U.S. Environmental Protection Agency’s (EPA’s) National Top 100 List of the largest green power users from the Green Power Partnership. The company was also No. 11 on the list of Green Power Partners from the Fortune 500 ® . ISS QualityScore Institutional Shareholder Services (ISS) awards QualityScore ratings based on a range of criteria related to environmental, social, and governance performance. A lower score, on a scale from one to ten, indicates lower risk and/or better disclosure on the part of the company. In 2021, Owens Corning’s ISS QualityScore ratings were 1 in environmental, 1 in social, and 2 in governance. JUST Capital Owens Corning was ranked Industry Leader for Building Materials and Packaging for 2021. We were also No. 69 in the Just 100. Companies are rated based on their performance across a range of categories, including the treatment of employees and customers, product quality, sustainability, jobs, and community support, as well as company leadership. Science Based Targets Initiative Our 2030 goal to reduce Scope 1 and 2 greenhouse gas emissions by 50% is in line with standards set to hold global warming to 1.5° Celsius. The Science Based Targets initiative, which set these standards, has approved our goal. In addition, Owens Corning’s commitment to reducing Scope 3 greenhouse gas emissions by 30% by 2030 has been approved by the Science Based Targets initiative. WSJ Management Top 250 Owens Corning ranked No. 54 in 2021, up from No. 99 in 2020 and No. 188 in 2019. This ranking, developed by the Drucker Institute, measures corporate effectiveness by examining performance in five areas: customer satisfaction, employee engagement and development, innovation, social responsibility, and financial strength. The ranking is based on an analysis of 34 data inputs provided by 14 third-party sources.