EX-4.37 2 kciexh437.txt EWP FINANCIAL LLC 5430 LBJ Freeway Suite 1700 Dallas, TX 75240 972-450-4261 972-448-1445 (Fax) July 31, 2005 Mr. Bert E. Downing, Jr. Chief Financial Officer Keystone Consolidated Industries, Inc. 5430 LBJ Freeway Suite 1740 Dallas TX 75240 Dear Mr. Downing: With regard to the Debtor-In-Possession Credit Agreement between EWP Financial LLC and Keystone Consolidated Industries, Inc. dated February 27, 2004, as amended, the definition of Expiration Date, as set forth in the Second Amendment to the Debtor-In-Possession Agreement, is hereby amended to replace the date of July 31, 2005 in clause (a) (i) of such definition with August 31, 2005. Sincerely, /s/Bob O'Brien ------------------------------------------------------ Bob O'Brien Vice President - Chief Financial Officer and Treasurer