0000950137-07-014638 Sample Contracts

USG CORPORATION
Underwriting Agreement • September 26th, 2007 • Usg Corp • Concrete, gypsum & plaster products • New York

BANC OF AMERICA SECURITIES LLC J.P. MORGAN SECURITIES INC. As Representatives of the several Underwriters c/o BANC OF AMERICA SECURITIES LLC 9 West 57th Street New York, NY 10019