New Makrolon® LF Low Flammability Polycarbonate Sheet

Sheffield, MA—June 12, 2006—Sheffield Plastics Inc., has introduced MAKROLON® LF low flammability polycarbonate sheet developed to provide improved flame resistance and processing advantages for the most demanding applications. MAKROLON LF is UL 94 V-0 listed and meets stringent FAR 25.283 A and B flammability requirements. MAKROLON LF is incredibly easy to form and can be easily die cut, punched and sheared for the most demanding fabrication needs. It features improved ductility and reduced brittleness for superior impact strength, many times that of float glass and acrylic. It is also UV stabilized and offers excellent optics. Another superior performance polycarbonate from Sheffield Plastics, MAKROLON LF is ideal for applications requiring flame inhibiting polycarbonate—such as transparent interior aircraft components, electronic enclosures, gaskets, spacers, switchgears, electrical devices, thermoformed equipment and other current carrying components. MAKROLON LF is produced under the most rigid quality control specifications, meeting ISO certification guidelines for both plants and processes. Standard clear and custom colors are available in gauges ranging from .080" to .250". MAKROLON LF is just one result of Sheffield’s ongoing commitment to product innovation and excellence. Sheffield Plastics, a Bayer MaterialScience Company, is the global leader in high performance plastics. Utilizing the latest technologies, Sheffield has recently implemented the largest polycarbonate sheet line ever built. Sheffield continues its leadership in polycarbonate technology with new processes, product innovations and superior optics.This news release contains forward-looking statements based on current assumptions and forecasts made by Bayer Group 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 our public reports filed with the Frankfurt Stock Exchange and with the U.S. Securities and Exchange Commission (including our Form 20-F). The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.