EXECUTION COPY AMENDMENT TO RIGHTS AGREEMENT AMENDMENT No. 3 dated as of November 14, 1998 (this "Amendment"), to the Rights Agreement dated as of September 22, 1987 (as amended, the "Rights Agreement"), between CalMat Co., a Delaware corporation (the...Rights Agreement • November 17th, 1998 • Calmat Co • Mining & quarrying of nonmetallic minerals (no fuels) • Delaware
