1 Exhibit 4 RIGHTS AGREEMENT Rights Agreement, dated as of October 26, 2000 between Rohm and Haas Company, a Delaware corporation (the "Company"), and EquiServe Trust Company, NA (the "Rights Agent"). The Board of Directors of the Company has...Rights Agreement • October 26th, 2000 • Rohm & Haas Co • Plastic materials, synth resins & nonvulcan elastomers • Delaware
