SCHENECTADY, NY – January 11, 2018 – Effective immediately or as contract terms allow, Addivant™, a global leader in rubber additives, is increasing the List Price of NAUGARD® Q (TMQ) by up to 45%. Further, we will discontinue all discount agreements that are not part of a binding contract. All commercial commitments will be made at List Price level and will be based on availability. The cost of NAUGARD® Q is impacted by continued investment to maintain adequate environmental and sustainability stewardship, along with significant raw material cost increases. NAUGARD® Q is a workhorse stabilizer used in tire applications and other rubber goods.

ABOUT SI GROUP
SI Group is a leading global developer and manufacturer of performance additives, process solutions, pharmaceuticals and chemical intermediates, with strong market positions in the plastics, oilfield, rubber, fuels & lubricants, active pharmaceutical ingredients and industrial resins industries. SI Group solutions are critical to the quality and performance of countless industrial and consumer goods. Headquartered in Schenectady, New York, SI Group operates more than 30 manufacturing facilities on five continents with approximately $2 billion in annual sales, and more than 3,000 employees worldwide. SI Group is a portfolio company of SK Capital Partners. In 2018, SI Group received its third silver award for corporate social responsibility by EcoVadis, and is ranked among the top seven percent of more than 45,000 worldwide companies. SI Group is The Substance Inside. For more information, please visit www.siigroup.com.

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