Dept. of Trans.       SUPPLEMENTAL   Serial No.  Contract No.                           
                                          13-060-10-57  03-3A0424                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  45%          33%                             
03-BUT-99-R32.4/R33.3                    Federal Project:                               
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 21            Payment period ending: 02-20-13                      
VIKING CONSTRUCTION COMPANY                                                             
INC                                                                                     
P O BOX 1508                                                                            
RANCHO CORDOVA CA 95741                                                                 
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       8,267,759.75            0.00                      
2.a. Extra Work                         230,156.56      103,400.55                      
  b. Adjustment Comp.                   216,008.64        2,000.00                      
3. Materials on Hand                    280,739.41            0.00                      
4. Earned Subject to Retention        8,994,664.36      105,400.55                      
5. Mobilization                       2,232,500.00            0.00                      
6. Total Work Completed   10,946,424.95                                                 
7. Deductions                           -11,590.75            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           11,215,573.61      105,400.55                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             105,400.55