Secure, sustainable, and durable polycarbonate-based sheet systems for building façades

Chicago, September 19, 2012 — A building's façade is more than just a pretty face. Beyond setting the design and aesthetic tone for an entire structure, architects and building owners are increasingly seeking façades that also contribute to the overall security, sustainability, and durability of their structure.

To provide architects and designers with materials that meet these demanding requirements and offer an aesthetically pleasing exterior, Bayer MaterialScience LLC developed Makrolon® polycarbonate sheets and Hygard® polycarbonate laminates that provide enhanced weatherability, abrasion and graffiti resistance.

Architects around the world are choosing Bayer's polycarbonate sheet products for use in innovative façades, glazing, and roofing designs. Advanced manufacturing technology has resulted in high optical quality with minimal distortion for Makrolon® polycarbonate sheets. It is less than half the weight of glass, offers good thermal insulation, is recyclable and virtually unbreakable.

Bayer's Hygard® Sentinel structural-envelope façade offers excellent blast-resistance, high light-transmission, and thermal management levels. Hygard Sentinel's ability to protect from blasts at closer stand-off distance than glass-based facades provides an option that may present significant real-estate cost savings.

Roger Rumer, marketing leader, Public Sector Business, and Karl Wiecking, emerging market manager, Bayer MaterialScience LLC, will highlight this technology during their presentation "High-Performance Polycarbonate Security Solutions for Façades" at the Façade Design and Delivery show being held Sept. 19-21 in Chicago. Additionally, attendees can visit Bayer MaterialScience LLC's booth (#4) to learn more about the Makrolon® and Hygard® polycarbonates and their applications.

About Bayer MaterialScience LLC:

Bayer MaterialScience LLC is one of the leading producers of polymers and high-performance plastics in North America and is part of the global Bayer MaterialScience business with approximately 14,800 employees at 30 production sites around the world and 2011 sales of 10.8 billion euros. Bayer MaterialScience's 2011 sales in North America were $2.9 billion. The company manufactures high-tech polymer materials and develops innovative solutions for products used in many areas of daily life. The main segments served are the automotive, electrical and electronics, construction, medical, and sports and leisure industries. Sustainability is central to Bayer MaterialScience LLC's business and is based around the key areas of innovation, product stewardship, excellence in corporate management, social responsibility and respect for the environment.

Contact:

Sean Kelly, Phone: 412-777-5200
Email: sean.kelly@bayer.com

For more information in North America, please call Roger Rumer at 412-7775639 or email roger.rumer@bayer.com or Karl Wiecking at 860-930-7713 or email karl.wiecking@bayer.com.

Forward-Looking Statements

This news release may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer's public reports which are available on the Bayer website at www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

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