Ticona Announces Price Increases

Effective August 1, or as contracts allow, Florence, Ky.-based Ticona — the engineering polymers
business of Dallas-based Celanese Corp. — will implement price increases for its Vectra® liquid
crystal polymer products in the Americas by $1.15 to $1.60 per pound; in Asia by $2.50 to $3.50 per
kilogram (kg); and in Europe by 1.75 to 2.40 euros per kg.  The company cited unprecedented
increases in raw material costs in announcing the increases.

July 15, 2008