Celanese Corporation (NYSE: CE), a global technology and specialty materials company, announced today it has appointed Dr. Ashish K. Kulkarni as Chief Technology and Innovation Officer. The appointment of Kulkarni, currently the company’s vice president of research and development, AEM and Emulsions, supports the company’s increased emphasis on applying its process, product and application technology expertise against customer-focused innovation. “Ashish will continue leading global research and development efforts for AEM and Emulsions,” said Mark Rohr, chairman and chief executive officer. “His additional responsibilities will include accelerating collaboration across and within the company’s four business segments to enhance the company’s dual capabilities in technology-enabled chemistry and customer-oriented solutions. These capabilities, detailed earlier this year at Celanese’s Technology Day, will be leveraged to address global macro trends including environmental concerns, resource scarcity, the growing middle class and safety, health & wellness.” Kulkarni will also grow Celanese’s relationships with universities, research institutes and start-up companies to further advance the company’s network and industry reach. Kulkarni joined Celanese in 2010 as vice president of technology for the company’s Advanced Engineered Materials (AEM) business. Prior to Celanese he held leadership positions with United Technologies, American Standard Companies and General Electric. Kulkarni holds a Ph.D. in chemical engineering from Rensselaer Polytechnic Institute, Troy, New York, and a bachelor of technology in chemical engineering from Osmania University, Hyderabad, India. About Celanese Celanese Corporation is a global technology leader in the production of specialty materials and chemical products that are used in most major industries and consumer applications. Our products, essential to everyday living, are manufactured in North America, Europe and Asia. Known for operational excellence, sustainability and premier safety performance, Celanese delivers value to customers around the globe with best-in-class technologies. Based in Dallas, Texas, the company employs approximately 7,600 employees worldwide and had 2011 net sales of $6.8 billion, with approximately 73% generated outside of North America. For more information about Celanese Corporation and its global product offerings, visit www.celanese.com or the company’s blog at www.celaneseblog.com . Forward-Looking Statements This release may contain “forward-looking statements,” which include information concerning the company’s plans, objectives, goals, strategies, future revenues or performance, capital expenditures, financing needs and other information that is not historical information. When used in this release, the words “outlook,” “forecast,” “estimates,” “expects,” “anticipates,” “projects,” “plans,” “intends,” “believes,” and variations of such words or similar expressions are intended to identify forward-looking statements. All forward-looking statements are based upon current expectations and beliefs and various assumptions. There can be no assurance that the company will realize these expectations or that these beliefs will prove correct. There are a number of risks and uncertainties that could cause actual results to differ materially from the forward-looking statements contained in this release. Numerous factors, many of which are beyond the company’s control, could cause actual results to differ materially from those expressed as forward-looking statements. Certain of these risk factors are discussed in the company’s filings with the Securities and Exchange Commission. Any forward-looking statement speaks only as of the date on which it is made, and the company undertakes no obligation to update any forward-looking statements to reflect events or circumstances after the date on which it is made or to reflect the occurrence of anticipated or unanticipated events or circumstances. Celanese® is a registered trademark of Celanese International Corporation.