Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  23-139-15-13  11-2T35U4
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    80%           93%

Location:                                         Federal Project:
11-SD-5-37.4/52.6                                 NONE

Progress payment No. 020                     Payment period ending: 05-20-23
FLATIRON-SKANSKA-STACY AND
WITBECK A JOINT VENTURE
12121 SCRIPPS SUMMIT DR #400
SAN DIEGO CA 92131

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.            43,626,029.56       1,926,251.38
 2. a. Extra Work                            1,392,485.66          48,947.41
    b. Adustment Comp.                        -308,615.06             806.68
 3. Materials on Hand                          579,044.65         -24,287.32
 4. Earned Subject to Retention             45,288,944.81       1,951,718.15
 5. Mobilization                             6,186,500.00               0.00
 6. Total Work Completed     50,896,400.16
 7. Deductions                                  -5,050.00               0.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                 51,470,394.81       1,951,718.15
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                     1,951,718.15