Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          12-241-07-15  06-0L2004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
06-MAD-99-23.8/28.2                    Federal Project:                                 
                                     ACHS-P099(558)                                     
                             NHG-P099(558)                                              
                                                                                        
Progress payment No. 04            Payment period ending: 07-24-12                      
MIDSTATE BARRIER INC                                                                    
P O BOX 30550                                                                           
STOCKTON CA 952130550                                                                   
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,477,284.86            0.00                      
2.a. Extra Work                          17,978.95            0.00                      
  b. Adjustment Comp.                   -22,624.03            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        1,472,639.78            0.00                      
5. Mobilization                          10,000.00            0.00                      
6. Total Work Completed    1,482,639.78                                                 
7. Deductions                           -10,000.00       10,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            1,472,639.78       10,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              10,000.00