Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-143-06-19  06-0C6004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  86%          38%                             
06-TUL-198-R15.1/21.5                    Federal Project:                               
06-TUL-245-23.0/33.0                                     NONE                           
06-FRE-269-12.7/24.7                                                                    
                                                                                        
Progress payment No. 01            Payment period ending: 05-20-06                      
INTERNATIONAL SURFACING                                                                 
SYSTEMS                                                                                 
P O BOX 4770                                                                            
MODESTO  CA 95352                                                                       
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         929,570.23      929,570.23                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          929,570.23      929,570.23                      
5. Mobilization                                                                         
6. Total Work Completed      929,570.23                                                 
7. Deductions                              -375.00         -375.00                      
8. a.Contract Retentions                -46,478.51      -46,478.51                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              882,716.72      882,716.72                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             882,716.72