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DuPont™ Sorona® Brand Becomes bluesign® System Partner

23 July 2018

Renewably Sourced Fiber Meets Rigorous Sustainable Textile Production System; Recognized for its Environmental Responsibility in the Supply Chain

WILMINGTON, Del., July 23, 2018 - DuPont Industrial Biosciences announced today its partnership with bluesign® for the bio-based, high-performance polymer Sorona®. The bluesign® system unites the textile supply chain to jointly reduce its impact on people and the environment, ensure responsible use of resources, and guarantee the highest level of consumer safety. DuPont™ Sorona® is a versatile polymer comprised of 37 percent renewable plant-based ingredients, using 30 percent less energy and releasing 63 percent fewer greenhouse gas emissions as compared to Nylon 6. In addition to reducing its reliance on fossil fuels, Sorona® polymer combines ecoefficiency with function for use in a variety of applications due to its performance attributes. Its exceptional softness, inherent stain resistance and uncompromising durability offer a sustainable, high-performing material option for customers throughout the supply chain. As a bluesign® system partner, DuPont™ Sorona® brand joins a growing collection of chemical suppliers, manufacturers and brands that are responsible acting parties of the textile value chain. The partners are committed to applying the system in their business through continuous improvement of environmental performance and a focus on a sustainable future.

This recognition from bluesign® as a verifier and supporting partner of the responsible
industry underscores the commitment of Sorona® brand to embracing sustainability and minimizing
environmental impact in the long term,” said Rene Molina, global product manager for DuPont Industrial
Biosciences
Rene Molina, Global Product Manager, DuPont Industrial Biosciences

“This recognition from bluesign® as a verifier and supporting partner of the responsibleindustry underscores the commitment of Sorona® brand to embracing sustainability and minimizingenvironmental impact in the long term,” said Rene Molina, global product manager for DuPont IndustrialBiosciences.

“With Sorona® polymer, we’re not only providing customers with an eco-efficient, practicalmaterials solution, but also laying the groundwork for a sustainable textile future – and this certification trulyreinforces our mission.”To qualify for the bluesign® system partnership, DuPont™ Sorona® brand completed acomprehensive company assessment and roadmap meeting – demonstrating its merit for the certification ofits products.

Our unique Input Stream Management approach ensures approved chemicals and rawmaterials, such as DuPont™ Sorona® polymer, are used in all steps of the manufacturing processes toreduce risks to both people and the environment at the very beginning of the supply chain
Kurt Schlaepfer, Head of Customer Relations Management, bluesign® technologies

“Our unique Input Stream Management approach ensures approved chemicals and rawmaterials, such as DuPont™ Sorona® polymer, are used in all steps of the manufacturing processes toreduce risks to both people and the environment at the very beginning of the supply chain,” said Kurt Schlaepfer, head, Customer Relations Management at bluesign® technologies. “Sustainable chemical andmaterial inputs are the foundation for the bluesign® system, driving a socially and environmentally

responsible value chain within the textile industry, and the natural origins of DuPont™ Sorona® polymer adeptly align with the bluesign® criteria.”

About bluesign technologies ag

The bluesign® system is the solution for a sustainable textile production. It eliminates harmful substances right from the beginning of the manufacturing process and sets and controls standards for an environmentally friendly and safe production. This not only ensures that the final textile product meets very stringent consumer safety requirements worldwide but also provides confidence to the consumer to acquire a sustainable product. bluesign technologies ag was founded in 2000. Since then, the bluesign® system has been adopted by worldwide leading textile and accessory manufacturers. Various significant key players of the chemical and machine industry rely on the bluesign® system. And well-known brands of the outdoor, sportswear and fashion industry rely on the extensive knowledge of bluesign® technologies.

About DuPont Industrial Biosciences

DuPont Industrial Biosciences, a DowDuPont Specialty Products Division business, works with customers across a wide range of industries to make products and industrial processes more efficient and sustainable. Through a unique combination of agriculture, biotechnology, chemistry and material science capabilities, we advance market-driven, biobased solutions to meet the needs of a growing population, while protecting our environment for future generations. For updates about how DuPont Industrial Biosciences is helping customers deliver cost-effective products with superior performance and sustainability, follow @DuPontBiobased on Twitter, find us on LinkedIn or visit our website at http://biosciences.dupont.com.

About DowDuPont Specialty Products Division

DowDuPont Specialty Products, a division of DowDuPont (NYSE: DWDP), is a global innovation leader with technology-based materials, ingredients and solutions that help transform industries and everyday life. Our employees apply diverse science and expertise to help customers advance their best ideas and deliver essential innovations in key markets including electronics, transportation, building and construction, health and wellness, food and worker safety. DowDuPont intends to separate the Specialty Products division into an independent, publicly traded company. More information can be found www.dow-dupont.com.

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7/23/18The DuPont Oval logo, DuPont™ and all products, unless otherwise noted, denoted with ™, ℠or ® are trademarks or registered trademarks of E.I. du Pont de Nemours and Company or its affiliates.Contacts: DuPont Industrial Biosciences Stephanie Kley +1-484-356-3154 stephanie.a.kley@dupont.com @DuPontBioBasedbluesign technologies agChristian Dreszigchristian_dreszig@bluesign.com+41-(0)-71-272-2998www.bluesign.com

Press Contact
Wendy Rosen
wendy.rosen@dupont.com +1-650-284-6429