SI Group Rises to the Top 7 Percent for Global Corporate Social Responsibility

The Company Receives its Third Silver Award from EcoVadis

SCHENECTADY,N.Y.,Aug. 15,2018 --SI Group,a leading global developer and manufacturer of performance additives and intermediates,has received its third silver rating for corporate social responsibility from EcoVadis,an international organization that provides sustainability ratings for global supply chains. SI Group was ranked among the top 7 percent of more than 45,000 worldwide companies assessed by EcoVadis. In 2017,the company ranked among the top 10 percent of more than 30,000 companies,and in 2016 ranked 13 percent of more than 25,000 organizations.

EcoVadis' Corporate Social Responsibility (CSR) scorecards rate suppliers' environmental,ethical,and social practices across 180 commodities and 150 countries.The EcoVadis methodology covers 21 individual criteria across four themes,including: environment; labor & human rights; ethics; and sustainable procurement. The methodology is built on international corporate social responsibility standards,including the Global Reporting Initiative,the United Nations Global Compact,and the ISO 26000. For more information,visit www.ecovadis.com.

"A corporate culture built on a foundation of strong values and an unwavering dedication to social responsibility is essential for the growth and survival of any enterprise; private or public,"said Frank Bozich,President & CEO at SI Group. "This rating,and our marked improvement in ranking,is a direct result of our global commitment to solving the world's sustainability challenges through chemistry."

In addition to the EcoVadis rating,SI Group has been a member of the American Chemistry Council's Responsible Care® program for over 25 years. Responsible Care® is a world-class environmental,health,safety and security performance initiative aimed at improving the health and safety of employees,communities and the environment as a whole,moving the industry toward a safer and more sustainable future.

About SI Group

SI Group is a leading global developer and manufacturer of performance additives and intermediates — solutions that are critical to the quality and performance of countless industrial and consumer goods. Founded in 1906 and headquartered in Schenectady,New York,SI Group operates 20 manufacturing facilities on five continents with more than $1 billion in annual sales,and over 2,800 employees worldwide. In 2018,SI Group received its third silver award for corporate social responsibility by EcoVadis,and is ranked among the top 7 percent of more than 45,000 worldwide companies. SI Group is The Substance Inside. For more information,please visitwww.siigroup.com.

Contact:

Tara Morgan

Media Contact

SI Group,Inc.

+ 1 518-347-4194

tara.morgan@siigroup.com

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