Dept. of Trans.       SUPPLEMENTAL   Serial No.  Contract No.                           
                                          13-101-08-28  04-0120S4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  86%          79%                             
04-SF-80-7.9/8.2                    Federal Project:                                    
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 50            Payment period ending: 03-20-13                      
M C M CONSTRUCTION INC                                                                  
P O BOX 620                                                                             
NORTH HIGHLANDS CA 956600620                                                            
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      63,831,993.45            0.00                      
2.a. Extra Work                      66,138,425.16    1,816,266.08                      
  b. Adjustment Comp.                48,656,363.17            0.00                      
3. Materials on Hand                    800,231.32            0.00                      
4. Earned Subject to Retention      179,427,013.10    1,816,266.08                      
5. Mobilization                       8,020,613.00            0.00                      
6. Total Work Completed  186,647,394.78                                                 
7. Deductions                           -40,000.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor          187,407,626.10    1,816,266.08                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                           1,816,266.08