Dept. of Trans.       FINAL   Serial No.  Contract No.                                  
                                          12-314-14-08  11-080934                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
11-SD-15-M18.9/M19.5                    Federal Project:                                
                                     ACIM-015-4(200)                                    
                             ACST-P056(2)                                               
                             P-P056(2)                                                  
Progress payment No. 49            Payment period ending: 07-15-08                      
MALCOLM DRILLING COMPANY, INC.                                                          
92 NATOMA STREET, SUITE 400                                                             
SAN FRANCISCO, CA 94105                                                                 
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      29,795,478.61            0.00                      
2.a. Extra Work                       3,967,154.18            0.00                      
  b. Adjustment Comp.                 1,363,309.72      654,276.65                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       35,125,942.51      654,276.65                      
5. Mobilization                       3,100,000.00            0.00                      
6. Total Work Completed   38,225,942.51                                                 
7. Deductions                           -62,399.32            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           38,163,543.19      654,276.65                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             654,276.65