Dept. of Trans.           SUPPLEMENTAL            Serial No.    Contract No.
                                                  21-188-18-41  07-4U0404
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    81%           38%

Location:                                         Federal Project:
07-LA-101-31.1/35.1                               NONE

Progress payment No. 004                     Payment period ending: 06-20-21
CALMEX ENGINEERING INC
2764 SOUTH VISTA AVE
BLOOMINGTON CA 92316

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.               767,650.74               0.00
 2. a. Extra Work
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                767,650.74               0.00
 5. Mobilization
 6. Total Work Completed        767,650.74
 7. Deductions                                       0.00         150,000.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    767,650.74         150,000.00
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                       150,000.00