GREAT LAKES TO RAISE ELEMENTAL BROMINE AND BROMINE DERIVATIVES PRICES

Great LakesINDIANAPOLIS, INDIANA—Great Lakes Chemical Corporation (NYSE:GLK) today announced it will increase minimum prices of elemental bromine, 48% hydrobromic acid, ethylene dibromide, and methyl bromide industrial, effective for all shipments after October 1, 2004 worldwide, where contracts allow.

Press Pack K 2004

HuskyHusky Injection Molding Systems

K 2004 Press Pack

CyclicsCyclics Corporation

FROST & SULLIVAN PRODUCT INNOVATION AWARD FOR STANYL

In the photograph Wilma Nijenhuis (Research & Technology Manager Stanyl), Harry Henssen (Business Manager Stanyl/Xantar) and Rein Borggreve (Research & Technology Director). The Frost & Sullivan Award for Product Innovation is presented each year to the company that has demonstrated excellence in new products and technologies within their industry. The recipient company has shown innovation by launching a broad line of emerging products and technologies.

Great Lakes Chemical Corporation Press Kit K2004

Great LakesDÜSSELDORF, GERMANY 20-27 October 2004

GREAT LAKES TO FORM JOINT VENTURE WITH TEIJIN CHEMICALS FOR BROMINATED CARBONATE OLIGOMER FLAME RETARDANTS

Great LakesDÜSSELDORF, GERMANY – Great Lakes Chemical Corporation (NYSE:GLK) and Teijin Chemicals LTD announced today they intend to combine their global brominated carbonate oligomer (BCO) activities as part of a joint venture to market flame retardants for various engineering polymers and blends, including polybutylene terephalate (PBT) and polycarbonate (PC) resins for use in electronic component applications.