Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          07-040-15-26  03-2M5104                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
03-NEV-80-R9.0/ .0                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 10-20-06                      
YUBACON INC                                                                             
P O BOX 3176                                                                            
DIAMOND SPRINGS CA 95619                                                                
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         435,029.12            0.00                      
2.a. Extra Work                         151,594.20            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          586,623.32            0.00                      
5. Mobilization                                                                         
6. Total Work Completed      586,623.32                                                 
7. Deductions                           -12,300.00       10,000.00                      
8. a.Contract Retentions                -21,751.46            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          21,751.46            0.00                      
9. Total pay to Contractor              574,323.32       10,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              10,000.00