NEWS RELEASE

Price Increase Notice

(Schenectady, NY) May 30, 2008. SI Group Inc. is announcing a price change on all alkylphenols due to the unprecedented rise in feedstock, packaging and energy costs. Effective on shipments on or after July 1, 2008 SI Group will be increasing prices from US$0.12/LB to US$0.20/LB depending on product formulation. SI Group reserves the right to make further changes without notice, or as contracts allow.

About SI Group
SI Group is a family-owned company founded in 1906 and headquartered in Schenectady, New York. A leading global manufacturer of alkylphenols, phenolic resins and other chemical intermediates, SI Group has over 19 operations in 13 countries around the world. For more information about SI Group, visit www.siigroup.com.