


                                                                                
                                             SCHEDULE II     
                                                                                
                                      INFORMATION WITH RESPECT TO               
                           TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR  
                           SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1)     
                                                                                
                                             SHARES PURCHASED        AVERAGE    
                                  DATE            SOLD(-)             PRICE(2)  
                                                                                
           COMMON STOCK-CALMAT CO.                                             
                                                                                
          GABELLI INTERNATIONAL LTD                                             
                                11/24/98           14,500            30.8125    
                                11/20/98            1,500            30.7500    
          GABELLI FUNDS, INC.                                                   
               THE GABELLI SMALL CAP GROWTH FUND                                
                                12/28/98           35,000            30.8631    
                                11/09/98            5,000-           26.9616    
                                10/26/98            2,000-           24.7617    
               THE GABELLI EQUITY TRUST,INC.                                    
                                12/29/98            7,200            30.9010    
                                12/28/98           70,000            30.8631    
                                12/28/98          100,000            30.9250    
                                12/22/98           25,500            30.9005    
                                12/21/98           56,400            30.9250    
                                12/18/98           51,500            30.9250    
                                12/17/98           10,000            30.9250    
                                12/16/98           39,400            30.9250    
                                12/11/98           15,000            30.8000    
                                12/03/98           30,000            30.8000    
                                12/01/98           25,000            30.8000    
                                11/23/98           60,000            30.8625    
                                11/20/98           20,000            30.8625    
               THE GABELLI CONVERTIBLE SECURITIES FUND                          
                                12/17/98           15,000            30.9250    
                                12/11/98           10,000            30.8000    
                                12/03/98           50,000-           30.8000    
                                12/03/98           70,000            30.8000    
                                12/01/98           37,600            30.8000    
                                11/27/98           12,400            30.8000    
                                11/20/98            5,000            30.8625    
               THE GABELLI CAPITAL ASSET FUND                                   
                                11/20/98           25,000            30.9250    
               THE GABELLI ABC FUND                                             
                                12/01/98           15,000            30.8000    
                                11/19/98           15,000            30.8625    
                                11/17/98           50,000            30.7375    
          GAMCO INVESTORS, INC.                                                 
                                11/30/98           14,000-             *DO      
                                 5/13/96           25,000-             *DO      
                                12/15/98            5,000            30.8125    
                                12/14/98            3,500            30.7500    
                                                                                
                                                                                
                                                                                
                                                                                
        

                                                                        
                                                                                
                                                SCHEDULE II     
                                                                                
                                      INFORMATION WITH RESPECT TO               
                           TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR  
                           SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1)     
                                                                                
                                             SHARES PURCHASED        AVERAGE    
                                  DATE            SOLD(-)             PRICE(2)  
                                                                                
           COMMON STOCK-CALMAT CO.                                             
                                                                                
          GAMCO INVESTORS, INC.                                                 
                                12/09/98           10,300            30.8125    
                                12/09/98            8,000            30.7563    
                                12/08/98            1,000-             *DO      
                                12/08/98            9,700            30.8125    
                                12/07/98            7,500            30.7500    
                                12/04/98           15,000            30.7500    
                                11/30/98           10,000            30.7500    
                                11/25/98           47,400            30.7500    
                                11/24/98           10,600            30.7500    
                                11/23/98            1,000            30.8125    
                                11/23/98           21,500            30.7791    
                                11/19/98            5,700            30.8343    
                                11/19/98           10,000            30.8750    
                                11/19/98           25,000            30.8343    
                                11/18/98            2,000            30.6692    
                                11/18/98           44,300            30.9196    
                                11/18/98            3,000            30.6250    
                                11/18/98           19,400            30.9196    
                                11/18/98            3,000-           30.6250    
                                11/18/98            2,000-           30.6692    
                                11/18/98            3,000            30.9375    
                                11/17/98           56,600            30.6692    
                                11/16/98           20,500            30.6250    
                                11/11/98            3,000-           26.3333    
                                11/03/98            5,000-           25.4125    
                                10/23/98            1,000-           24.5000    
                                10/21/98            5,000-           23.5775    
          GABELLI ASSOCIATES LTD                                                
                                12/23/98            5,000            30.8735    
                                11/27/98           15,000            30.7500    
                                11/25/98            5,000            30.7331    
                                11/24/98            6,000            30.8000    
                                11/17/98           10,000            30.6875    
                                11/16/98            4,000            30.6250    
          GABELLI ASSOCIATES FUND                                               
                                12/29/98            5,850            30.8750    
                                                                                
                                                                                
                                                                                
                                                                                
        











                                                                        
                                                                                
                                              SCHEDULE II     
                                                                                
                                      INFORMATION WITH RESPECT TO               
                           TRANSACTIONS EFFECTED DURING THE PAST SIXTY DAYS OR  
                           SINCE THE MOST RECENT FILING ON SCHEDULE 13D (1)     
                                                                                
                                             SHARES PURCHASED        AVERAGE    
                                  DATE            SOLD(-)             PRICE(2)  
                                                                                
           COMMON STOCK-CALMAT CO.                                             
                                                                                
          GABELLI ASSOCIATES FUND                                               
                                12/23/98           19,600            30.8735    
                                12/03/98           24,550            30.7500    
                                12/01/98           45,000            30.7500    
                                11/25/98           25,000            30.7331    
                                11/24/98           27,000            30.8000    
                                11/17/98           40,000            30.6875    
                                11/16/98           28,000            30.6250    
                                11/16/98           10,450            30.5625    
                                12/17/98            1,500            30.9250    
                                11/27/98              500            30.8000    
        















                                                                        












                                                                                
          (1) UNLESS OTHERWISE INDICATED, ALL TRANSACTIONS WERE EFFECTED        
              ON THE NY STOCK EXCHANGE.                                         
                                                                                
          (2) PRICE EXCLUDES COMMISSION.                                        
                                                                                
          (*) RESULTS IN CHANGE OF DISPOSITIVE POWER AND BENEFICIAL OWNERSHIP.  
                                                                                
                                                                                
                                                                                

