Exhibit 4.2 December 18, 1997 W. R. Grace & Co. One Town Center Road Boca Raton, FL 33486-1010 Attention: Paul McMahon Vice President and Treasurer Gentlemen: ABN AMRO Bank N.V., New York Branch ("ABN AMRO"), Bank of America National Trust and Savings...Credit Facility Agreement • February 13th, 1998 • Wr Grace & Co/De • Unsupported plastics film & sheet
