Dept. of Trans.          PROGRESS           Serial No.    Contract No.
                                            15-111-13-18  06-324504
                 PROGRESS PAYMENT VOUCHER   %complete:    %time:
                                              97%           98%

Location:                                   Federal Project:
06-TUL-99-41.3/53.9                         HPLU-6206(10)
06-FRE-99-0.0/1.2                           L-6206(10)

Progress payment No. 052               Payment period ending: 04-20-15
DIABLO CONTRACTORS INC
7 CROW CANYON COURT SUITE 100
SAN RAMON CA 94583

Escrow No. 00000
                                        Total Estimate   This Estimate
 1. Contract Itms Without Mobil.         59,358,129.18       60,923.04
 2. a. Extra Work                         3,017,185.12      376,222.87
    b. Adustment Comp.                    2,504,918.30            0.00
 3. Materials on Hand                       280,860.75            0.00
 4. Earned Subject to Retention          65,161,093.35      437,145.91
 5. Mobilization                          6,200,000.00            0.00
 6. Total Work Completed     71,080,232.60
 7. Deductions                             -206,217.64            0.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor              71,154,875.71      437,145.91
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                 437,145.91