EXHIBIT E LETTERS BETWEEN SAMUEL HEYMAN AND WILLIAM JOYCE December 18, 2001 January 8, 2002 January 22, 2002 [ISP LOGO] INTERNATIONAL SPECIALTY PRODUCTS 667 MADISON AVENUE, 12TH FLOOR, NEW YORK, NEW YORK 10021Hercules Shareholders Committee for New Management • July 18th, 2003 • Miscellaneous chemical products
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