Sika Promotes Business Unit Vice President and Director of Engineering

MADISON HEIGHTS, Mich., May 23, 2003 -- Sika Corporation Industry Products Division announced two promotions within its business team effective June 1:

Scott Henry becomes Vice President Transportation OEM and Marine. Scott has 12 years of experience in the adhesives and sealants industry. A graduate of Case Western Reserve University, Scott holds a B.S. in Polymer Science and Engineering. He has held a range of technical positions including 6 years in research and development of polyurethane adhesives. Prior to his promotion Scott was Sika's Director of Product Engineering with responsibility for developing applications in markets such as transportation OEM and marine, auto glass replacement, building components, and appliances and equipment. "Since joining Sika, Scott has demonstrated excellent capabilities both technically and managerially. Under his guidance, the Product Engineering group has grown to become a critical resource within Sika," said Bill Loven, Senior Vice President for the division. In his new role Scott will be tasked with leading the Transportation OEM and Marine business unit and sales group, increasing revenues and the customer base, while developing the sales personnel in the field.

Dr. George Sivy becomes Director of Product Engineering. He had been the division's Technical Service Manager. In his new position Dr. Sivy will also report directly to Bill Loven. Prior to Sika, Dr. Sivy practiced his polymer & adhesives chemistry specialty as an industry consultant and in positions with ITW and the Naval Surface Weapons Center. "Dr. Sivy has excelled at matching our technologies to customer unique applications and his guidance on recent new product introductions was critical to their success. He has also served as an excellent mentor to our Product Engineering staff," said Loven. In his new role, Dr. Sivy will be tasked with leading both the Product Engineering and Technical Services groups for the division.

Sika Corporation Industry Products Division, headquartered in Madison Heights, MI, is a leading supplier of adhesives and sealants serving industrial, marine, and automotive markets. Product lines include polyurethane adhesives and sealants, hot melt adhesives, epoxies, acrylics, and butyl sealants with specific applications for the appliance, automotive glass replacement, HVAC, metal building, transportation, bus, truck, rail, RV and specialty vehicles, marine, and window & door industries. Sika is the technology leader in providing solutions for elastic bonding for the original equipment manufacturer. Visit the Sika Corporation Industry Products Division website at www.sikaindustry.com

Sika Corporation is a leading supplier of specialty chemical products and industrial materials serving construction and industrial markets including transportation, marine, and automotive. Sika Corporation is a subsidiary of Sika AG, Baar, Switzerland. Sika has annual sales of approximately US$1.5 billion (CHF 2.2 billion), over 8000 employees and operations in more than 60 countries. Visit the Sika Corporation website at www.sika-corp.com .