Exhibit 4.21 AMENDMENT NO. 5 TO REVOLVING CREDIT, GUARANTY AND SECURITY AGREEMENT THIS AMENDMENT NO. 5 ("Amendment") is entered into as of December 27, 1996, among NEWPORT STEEL CORPORATION, a corporation organized under the laws of the State of...Revolving Credit, Guaranty and Security Agreement • February 7th, 1997 • Ns Group Inc • Steel works, blast furnaces & rolling mills (coke ovens) • New York
