Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  24-355-05-52  08-1H9924
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    69%           69%

Location:                                         Federal Project:
08-VAR                                            ACST-000C(552)

Progress payment No. 004                     Payment period ending: 12-20-24
GBA ENGINEERING INC
18543 YORBA LINDA BLVD 394
YORBA LINDA CA 92886

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.             1,274,122.10         403,756.60
 2. a. Extra Work
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention              1,274,122.10         403,756.60
 5. Mobilization                               195,000.00           9,750.00
 6. Total Work Completed      1,469,122.10
 7. Deductions                                  -4,000.00         209,596.40
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                  1,465,122.10         623,103.00
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                       623,103.00