SikaLastomer(R)-65 and SikaLastomer(R)-95 Product Shelf Life Extended to 18 Months

MADISON HEIGHTS, Mich., Oct. 31, 2003 -- Sika Corporation, Industrial Business Unit announces effective immediately, a shelf life extension on all SikaLastomer(R)-65 and SikaLastomer(R)-95 butyl products. Shelf life on these formulations increases from 12 to 18 months. The ability to extend shelf life on these products follows extensive Sika Research and Development testing on various lots of manufactured material in multiple configurations.

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"This is yet another example of Sika working to add value to our product lines for our customers," says Barry Kutch, Industrial Business Unit Vice President. "In addition, the extended shelf life on these products adds value to our internal inventory management system, which also is passed on long term to our customers."

SikaLastomer(R)-65 Isobutylene-Isoprene Copolymer and SikaLastomer(R)-95 Isobutylene Tripolymer butyl sealant formulations are used widely in the Metal Construction, Transportation and Construction industries for seam sealing. SikaLastomer(R) formulations have been specially developed for sealing bolted lap joints of galvanized and epoxy painted metals and for sealing concrete, EPDM rubber sheeting, metal and ceramic sewer pipes, glass, plastics, polyethylene sheeting and wood. All SikaLastomer(R) products are manufactured to stringent tolerances in extruded rolls and pre-cut endlap pads in various geometries, widths and lengths including SikaLastomer(R) "wide-roll" products. All Sika manufacturing facilities are ISO-9001 and ISO 14001 certified.

The Industry Products Division of Sika Corporation is headquartered in Madison Heights, MI. The company is a leading supplier of adhesives and sealants serving industrial, marine, and automotive markets. Product lines include polyurethane adhesives and sealants, hot melt adhesives, epoxy resins, acrylics, and butyl sealants. Specific applications for Sika adhesives and sealants are found in 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 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, over 8,500 employees and operations in more than 64 countries. Visit the Sika Corporation website at www.sikacorp.com .

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