Owens Corning (NYSE: OC) has ranked 25 th on Corporate Responsibility Magazine's 100 Best Corporate Citizens list. This is the third consecutive year Owens Corning has appeared on the list. Its first top-25 ranking represents a jump of 18 places over the prior year, 43 places from two years ago.

The 100 Best Corporate Citizens list recognizes public companies for their outstanding corporate responsibility and sustainability performance. The data is taken from publicly available information in seven categories: environment, climate change, employee relations, human rights, governance, finance, and philanthropy.

The primary drivers of the company's higher ranking this year were an expansion of its philanthropic efforts, notably in China and India, as well as greater reporting transparency in the areas of the environment and climate change. Owens Corning ranked No. 2 of the 100 companies on the 2017 list in the environment category.

"Expanding our impact through sustainability is a core value of the company," said Chief Sustainability Officer Frank O'Brien-Bernini. "Owens Corning is especially proud to be recognized for our leadership in the environment, climate change, philanthropy, and human rights. Our top-25 ranking on the CR 100 reflects the great work of our 16,000 people around the world."

For access to the full 100 Best Corporate Citizens List, please visit http://www.thecro.com/wp-content/uploads/2017/04/2017.100Best.pdf.

Most Sustainable Headquarters

Owens Corning has also been named to CR Magazine's list of the Most Sustainable Corporate Headquarters for the second year in a row. CR Magazine honors companies that have an outstanding commitment to sustainability, extending beyond business operations and into the corporate headquarters.

This recognition shows that the company's world headquarters in downtown Toledo was designed and constructed in accordance with rigorous environmental standards and represents the best of the best in green building.

For access to the full Most Sustainable Corporate Headquarters list, please visit http://www.thecro.com/wp-content/uploads/2017/04/2017-Most-Sustainable-Corporate-Headquarters1.pdf

About Owens Corning

Owens Corning (NYSE: OC) develops, manufactures and markets insulation, roofing, and fiberglass composites. Global in scope and human in scale, the company's market-leading businesses use their deep expertise in materials, manufacturing, and building science to develop products and systems that save energy and improve comfort in commercial and residential buildings. Through its glass reinforcements business, the company makes thousands of products lighter, stronger, and more durable. Ultimately, Owens Corning people and products make the world a better place. Based in Toledo, Ohio, Owens Corning posted 2016 sales of $5.7 billion and employs about 16,000 people in 26 countries. It has been a Fortune 500 ® company for 62 consecutive years. For more information, please visit www.owenscorning.com.

About Corporate Responsibility Magazine

SharedXpertise Media LLC is the publisher of CR Magazine ( www.thecro.com), the leading voice of the corporate responsibility profession and the publisher of the 100 Best Corporate Citizen's List, which has been ranked one of America's three most-important business rankings according to PR Week.

SharedXpertise, alongside the Corporate Responsibility Association ( www.corporateresponsibilityassociation.org), are also co-founders of the COMMIT!Forum, recognized worldwide as the leading event for corporate responsibility practitioners.

About the 100 Best Corporate Citizens List

The 100 Best Corporate Citizens List was first published in 1999 in Business Ethics Magazine, and has been managed by CR Magazine since 2007. To compile the list, every company in the Russell 1000, the highest ranked stocks in the Russell 3000 Index of publicly held U.S. companies, is ranked according to 260 data points. The methodology for generating the list is governed by the Ratings and Rankings Thought Leadership Council of the Corporate Responsibility Association (CRA); 867 firms completed the comprehensive questionnaire.

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