COLUMBUS, Ohio – (February 23, 2010) – Hexion Specialty Chemicals announced today that it will increase prices in North America for its unsaturated polyester resin and vinyl ester resin systems by five cents per pound, effective March 8, 2010 or as contracts allow.

Increased costs for maleic anhydride, glycols and other raw materials make the price increase necessary, said Gerhard Bohme, Business Director North America, Composite Polymers.

About Hexion Specialty Chemicals, Inc.

Based in Columbus, Ohio, Hexion Specialty Chemicals is the global leader in thermoset resins. Hexion serves the global wood and industrial markets through a broad range of thermoset technologies, specialty products and technical support for customers in a diverse range of applications and industries. Additional information is available at www.hexion.com.