1 EXHIBIT 4 AMENDMENT NO. 1 TO THE RIGHTS AGREEMENT AMENDMENT NO. 1, dated as of May 6, 1997 (this "Amendment"), to the RIGHTS AGREEMENT, dated as of July 26, 1993 (the "Rights Agreement"), between BW/IP, Inc., a Delaware corporation (the "Company")...Rights Agreement • May 15th, 1997 • Bwip Inc • Pumps & pumping equipment • Delaware
