Exhibit 4 AMENDMENT NO. 1 TO RIGHTS AGREEMENT AMENDMENT NO. 1 dated as of September 22, 1998 to the Rights Agreement dated as of February 20, 1998 (the "Rights Agreement") between MascoTech, Inc., a Delaware corporation (the"Company"), and The Bank of...Rights Agreement • October 29th, 1998 • Mascotech Inc • Motor vehicle parts & accessories • New York
