Exhibit 4.3 AMENDMENT NO. 2 TO RIGHTS AGREEMENT This Amendment No. 2, dated as of April 20, 2006 (this "Amendment No. 2"), to the Rights Agreement, dated as of December 14, 1999 (the "Rights Agreement"), between Aztar Corporation, a Delaware...Rights Agreement • April 20th, 2006 • Aztar Corp • Services-miscellaneous amusement & recreation • New York
