Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  21-235-11-42  08-1H2904
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                     9%           12%

Location:                                         Federal Project:
08-SBD-173-18.6/18.7                              ACST-S173(4)

Progress payment No. 004                     Payment period ending: 08-20-21
STRONGHOLD ENGINEERING
INCORPORATED
150 W WALNUT AVE
PERRIS CA 92571

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.               451,088.80         222,408.60
 2. a. Extra Work                                1,000.00               0.00
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                452,088.80         222,408.60
 5. Mobilization                               250,000.00         250,000.00
 6. Total Work Completed        702,088.80
 7. Deductions
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    702,088.80         472,408.60
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                       472,408.60