COLUMBIA, Md.--(BUSINESS WIRE)--March 2, 2007--W. R. Grace & Co. (NYSE:GRA) has filed its Annual Report on Form 10-K with the Securities and Exchange Commission (SEC).

The Form 10-K includes audited financial statements for the year ended December 31, 2006. Shareholders and other interested audiences can access the filing in the Investor Information section of Grace's web site at www.grace.com.

A printed copy of the filing is also available on request from the company at no charge. Requests can be made by calling +1 410.531.4167 or sending an e-mail to investor.relations@grace.com. Requests can also be sent to: W. R. Grace & Co., Director, Investor Relations, 7500 Grace Drive, Columbia, Maryland 21044.

Also available online are copies of additional filings made with the SEC, including quarterly reports on Form 10-Q and current reports on Forms 8-K.

Grace is a leading global supplier of catalysts and other products to petroleum refiners; catalysts for the manufacture of plastics; silica-based engineered and specialty materials for a wide range of industrial applications; specialty chemicals, additives and building materials for commercial and residential construction; and sealants and coatings for food and beverage packaging. With annual sales of more than $2.8 billion, Grace has about 6,500 employees and operations in nearly 40 countries. For more information, visit Grace's web site at www.grace.com.

CONTACT: W. R. Grace & Co.
Media Relations:
Greg Euston
T +1 404-870-6809
E greg.euston@mslpr.com
or
Investor Relations:
Bridget Sarikas
T +1 410-531-4194
E bridget.sarikas@grace.com

SOURCE: W. R. Grace & Co.