Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  20-359-07-56  12-0Q8104
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    67%           43%

Location:                                         Federal Project:
12-ORA-241-23.1/23.1                              HSST-P241(7)

Progress payment No. 004                     Payment period ending: 12-20-20
RSB GROUP INC
20331 LAKE FOREST DR #C-13
LAKE FOREST CA 92630

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.               593,215.39         139,017.89
 2. a. Extra Work                               37,026.90           2,914.95
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                630,242.29         141,932.84
 5. Mobilization                                 4,000.00               0.00
 6. Total Work Completed        634,242.29
 7. Deductions
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    634,242.29         141,932.84
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                       141,932.84