1 EXHIBIT 4.3 AMENDMENT NO. 1 TO RIGHTS AGREEMENT THIS AMENDMENT NO. 1 TO RIGHTS AGREEMENT (this "Amendment"), dated as of March 14, 2000, is between Tenneco Automotive Inc. (formerly known as Tenneco Inc.), a Delaware corporation (the "Company"), and...Rights Agreement • March 22nd, 2000 • Tenneco Automotive Inc • Motor vehicle parts & accessories • Delaware
