Merger of Avantor Performance Materials, Inc. and NuSil Technology, LLC Completed

Merger Creates Global Leader in Life Science and Advanced Technology Materials

CENTER VALLEY, PA--(Marketwired - October 03, 2016) - The merger of Avantor™ Performance Materials and NuSil™ Technology LLC has been successfully completed. The intent to merge was announced on August 31, 2016. Terms of the transaction were not disclosed.

Michael Stubblefield, who has served as CEO of Avantor Performance Materials since 2014, will serve as CEO of the combined entity. New Mountain Capital, the majority owner of both legacy companies, remains as the majority owner post-merger.

"Avantor and NuSil are leaders in their industries, known for working side-by-side with customers to innovate high-quality products and materials that meet their most stringent requirements," said Stubblefield. "I look forward to working with our global team to build on this longstanding commitment, while realizing the significant growth opportunities that this merger offers for Avantor."

The combined company becomes the global leader in ultra-high-purity materials for the life sciences and advanced technology markets. Avantor provides performance materials and solutions for the production and research needs of more than 6,500 customers across the biotechnology, pharmaceutical, medical device, diagnostics, aerospace & defense, and semiconductor industries.

The company's product portfolio includes more than 30,000 products that meet increasingly stringent standards across technology-driven and highly-regulated markets. Avantor manufactures and markets its products around the world under several respected brand names. Avantor's brands of performance chemistries include the J.T.Baker®, Macron Fine Chemicals™, Rankem™, BeneSphera™, and POCH™ brands. Avantor's brands of advanced silicones include the NuSil, Trelyst, CareSil, and MediSil brands.

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About New Mountain Capital
New Mountain Capital is a New York-based investment firm that emphasizes business building and growth, rather than debt, as it pursues long-term capital appreciation. The firm currently manages private equity, public equity, and credit funds with over $15 billion in aggregate capital commitments. New Mountain seeks out what it believes to be the highest quality growth leaders in carefully selected industry sectors and then works intensively with management to build the value of these companies. For more information on New Mountain Capital, please visit

Trademarks are owned by Avantor Performance Materials, LLC., NuSil Technology LLC, and or its affiliates unless otherwise noted.
© 2016 Avantor Performance Materials, LLC.; © 2016 NuSil Technology LLC.