Celanese Opens Houston Technology Center

Dallas-based Celanese Corp. has opened a technology center in Houston to house the research and
development and technical services groups for its emulsion polymers and polyvinyl alcohol (PVOH)
businesses. The 31,200-square-foot Houston Technology Center (HTC), which includes analytical and
application testing laboratories to enable development of consumer and industrial end products,
joins locations in Frankfurt and Shanghai as part of the businesses’ international technology
network.

“Our investment in the Houston Technology Center underscores the impact that technology and
innovation have on our business, and emphasizes our continued commitment to our North American
customers and the global markets they serve,” said Doug Madden, executive vice president, Celanese.

“Celanese has invested in more than just a new facility and lab equipment,” added Dr. Barry
Snyder, global technology director, Emulsions & PVOH. “We have invested in people with strong
industry knowledge and technical expertise in the fields of paints and coatings, construction,
papers, packaging films, personal care, adhesives and nonwovens, to name a few, who can analyze the
data and translate it into customer solutions.”

The HTC also will provide opportunities for customers to work with the company to develop new
products. “We look forward to inviting customers to the HTC to discuss exciting new opportunities
and projects for 2008 and beyond,” Snyder said.

March 11, 2008

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