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2% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS) Due July 15, 2014

Ref CPI and Index Ratios for December 2006

    Contact: Office of Financing             202-504-3550
     DESCRIPTION:                            Series D-2014
     CUSIP NUMBER:                           912828CP3
     DATED DATE:                             July 15, 2004
     ORIGINAL ISSUE DATE:                    July 15, 2004
     ADDITIONAL ISSUE DATE:                  October 15, 2004
     MATURITY DATE:                          July 15, 2014
     Ref CPI on DATED DATE:                  188.49677
     TABLE FOR MONTH OF:                     December 2006
     NUMBER OF DAYS IN MONTH:                31

     CPI-U (NSA) August 2006                 203.9
     CPI-U (NSA) September 2006              202.9
     CPI-U (NSA) October 2006                201.8

     Month   Calendar Day    Year    Ref CPI       Index Ratio

     December        1       2006    202.90000       1.07641
     December        2       2006    202.86452       1.07622
     December        3       2006    202.82903       1.07603
     December        4       2006    202.79355       1.07585
     December        5       2006    202.75806       1.07566
     December        6       2006    202.72258       1.07547
     December        7       2006    202.68710       1.07528
     December        8       2006    202.65161       1.07509
     December        9       2006    202.61613       1.07491
     December        10      2006    202.58065       1.07472
     December        11      2006    202.54516       1.07453
     December        12      2006    202.50968       1.07434
     December        13      2006    202.47419       1.07415
     December        14      2006    202.43871       1.07396
     December        15      2006    202.40323       1.07378
     December        16      2006    202.36774       1.07359
     December        17      2006    202.33226       1.07340
     December        18      2006    202.29677       1.07321
     December        19      2006    202.26129       1.07302
     December        20      2006    202.22581       1.07283
     December        21      2006    202.19032       1.07265
     December        22      2006    202.15484       1.07246
     December        23      2006    202.11935       1.07227
     December        24      2006    202.08387       1.07208
     December        25      2006    202.04839       1.07189
     December        26      2006    202.01290       1.07170
     December        27      2006    201.97742       1.07152
     December        28      2006    201.94194       1.07133
     December        29      2006    201.90645       1.07114
     December        30      2006    201.87097       1.07095
     December        31      2006    201.83548       1.07076