FIRST AMENDED RIGHTS AGREEMENT This First Amended Rights Agreement (the "Rights Agreement"), effective as of May 28, 1998, between Ralston Purina Company, a Missouri corporation (the "Company"), and Norwest Bank, N.A., as successor to Boatmen's Trust...First Amended Rights Agreement • January 21st, 1999 • Ralston Purina Co • Grain mill products • Missouri
