Dept. of Trans.         AFTER ACCEPTANCE          Serial No.    Contract No.
                                                  26-104-09-21  05-1T4104
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                   100%          100%

Location:                                         Federal Project:
05-SLO-41-495.0/49.5                              NONE
05-SLO-41-495.0/49.5

Progress payment No. 001                     Payment period ending: 03-24-26
DRILL TECH DRILLING & SHORING
INC
2200 WYMORE WAY
ANTIOCH CA 94509

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.
 2. a. Extra Work                              458,668.42         458,668.42
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                458,668.42         458,668.42
 5. Mobilization
 6. Total Work Completed        458,668.42
 7. Deductions                                 -30,000.00         -30,000.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    428,668.42         428,668.42
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                       428,668.42