GREAT LAKES INCREASES PRICES OF ALL BROMINE-BASED FLAME RETARDANTS

INDIANAPOLIS, INDIANA—Great Lakes Chemical Corporation (NYSE:GLK) today announced it will increase prices worldwide on Firemaster® 550/552 flame retardants, Tetrabromophthalic anhydride and Tetrabromophthalic anhydride (PHT-4™) derivatives by $0.10/lb. Additionally, the company will increase prices on all other brominated flame retardants worldwide by up to 15%. These price increases are in addition to all other increases previously announced and will be effective for shipments beginning April 1, 2005, or as contracts allow.

The company stated that the new pricing is necessary due to the unprecedented and rapidly increasing costs of key raw materials, energy products and logistics, coupled with the need to improve profitability levels to a point where reinvestment is viable to meet rapidly expanding end use demand.

Great Lakes is the world’s leading producer of flame retardants with an aggressive commitment to technological innovation and product development. Offering the largest and broadest portfolio of flame retardants, Great Lakes products include bromine, phosphorus, and antimony-based flame retardants, other FR synergists and smoke suppressants. These products protect against fire in plastics for consumer applications such as automotive, electrical, building materials, and furnishings. For more information about these product lines please visit the Great Lakes Flame Retardants website at www.fr.greatlakes.com.

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