Bayer MaterialScience LLC appoints new chief financial officer

Pittsburgh, February 24, 2012 — John Lemmex has been appointed chief financial officer, Bayer MaterialScience LLC. In this role, Lemmex is responsible for all finance and controlling activities in the NAFTA region. He also serves as a member of Bayer's North American Leadership Team.

Lemmex, a native of Canada, joined Bayer nearly 25 years ago as a process chemist at a rubber operations plant in Sarnia, Ontario. He transitioned into a business analyst role in 1991, holding positions of increasing responsibility in the field of finance, controlling and accounting. Prior to taking on his new role, Lemmex spent several years at Bayer headquarters in Leverkusen, Germany, where he led the restructuring of the Bayer Polymers and MaterialScience controlling functions. Most recently, Lemmex served as vice president and controller, Bayer MaterialScience LLC.

Lemmex earned a degree in chemistry from McMaster University in Hamilton, Ontario, and a master's degree in business administration from Syracuse University in Syracuse, NY. He holds a CGA from The Certified General Accountants Association of Ontario and a CPA from the Ohio Society of Certified Public Accountants.

He is active in the community, serving on the board of directors for the Blind Vision & Rehabilitation Services, as well as Variety the Children's Charity, both in Pittsburgh.

Lemmex is married and has two children. He resides with his family in Cranberry Township, Pa.

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 14,700 employees at 30 production sites around the world and 2010 sales of 10.2 billion euros. 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:

Bill Allan, Phone: 412-777-5200
E-mail: bill.allan@bayer.com

For more information about Bayer MaterialScience's polyurethane coating technology, call 1-800662-2927 or visit www.bmsnafta.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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