0000950157-98-000452 8-A12B/A 2 19981117 CALMAT CO 0000023533 1400 950645790 DE 1231 8-A12B/A 34 001-07035 98753643 3200 SAN FERNANDO RD LOS ANGELES CA 90065 2132582777 CONROCK CO 19840712 CONSOLIDATED ROCK PRODUCTS CO 19720915 8-A12B/A 1 000095015798000452-001-seq1-8-a12b-a.txt AMENDMENT NO. 2 EX-4 2 000095015798000452-002-seq2-ex-4.txt EXHIBIT 4