Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  23-143-15-59  05-1F75U4
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    93%          100%

Location:                                         Federal Project:
05-MON-101-R36.9/47.7                             1NHG-Q101(338)

Progress payment No. 052                     Payment period ending: 05-20-23
OHL USA INC
1920 MAIN ST #310
IRVINE CA 92614

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.            68,237,728.66       1,196,130.37
 2. a. Extra Work                            4,510,138.40         215,390.58
    b. Adustment Comp.                       1,182,267.01         -25,572.86
 3. Materials on Hand
 4. Earned Subject to Retention             73,930,134.07       1,385,948.09
 5. Mobilization                             7,100,000.00               0.00
 6. Total Work Completed     81,030,134.07
 7. Deductions                                -471,319.91               0.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                 80,558,814.16       1,385,948.09
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                     1,385,948.09