Dept. of Trans.           SUPPLEMENTAL            Serial No.    Contract No.
                                                  21-343-17-17  11-2T2184
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    80%           71%

Location:                                         Federal Project:
11-SD-5-R38.4/R47.3                               6211-130

Progress payment No. 037                     Payment period ending: 11-20-21
FLATIRON-SKANSKA-STACY AND
WITBECK A JOINT VENTURE
16470 W BERNARDO DR #120
SAN DIEGO CA 92127

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.           158,060,195.04       2,716,671.88
 2. a. Extra Work                           12,458,556.01               0.00
    b. Adustment Comp.                          82,982.20               0.00
 3. Materials on Hand                        1,434,015.13               0.00
 4. Earned Subject to Retention            172,035,748.38       2,716,671.88
 5. Mobilization                            22,400,000.00               0.00
 6. Total Work Completed    193,001,733.25
 7. Deductions                                 -19,000.00               0.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                194,416,748.38       2,716,671.88
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                     2,716,671.88