EXHIBIT 1.4 THIRD AMENDMENT TO RIGHTS AGREEMENT ----------------------------------- THIRD AMENDMENT dated as of March 11, 1998 (the "Third Amendment") to the Rights Agreement dated as of November 9, 1988, as amended (the "Rights Agreement"), between...Rights Agreement • March 31st, 1998 • Safety Kleen Corp • Services-business services, nec • Wisconsin
EXHIBIT 1.5 FOURTH AMENDMENT TO RIGHTS AGREEMENT ------------------------------------ FOURTH AMENDMENT dated as of March 15, 1998 (the "Fourth Amendment") to the Rights Agreement dated as of November 9, 1988, as amended (the "Rights Agreement"),...Rights Agreement • March 31st, 1998 • Safety Kleen Corp • Services-business services, nec • Wisconsin
