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

Ref CPI and Index Ratios for December 2007

     Contact: Office of Financing            202-504-3550
     DESCRIPTION:                            Series A-2014
     CUSIP NUMBER:                           912828BW9
     DATED DATE:                             January 15, 2004
     ORIGINAL ISSUE DATE:                    January 15, 2004
     ADDITIONAL ISSUE DATE:                  April 15, 2004
     MATURITY DATE:                          January 15, 2014
     Ref CPI on DATED DATE:                  184.77419
     TABLE FOR MONTH OF:                     December 2007
     NUMBER OF DAYS IN MONTH:                31

     CPI-U (NSA) August 2007                 207.917
     CPI-U (NSA) September 2007              208.490
     CPI-U (NSA) October 2007                208.936

     Month      Calendar Day    Year    Ref CPI       Index Ratio

     December        1          2007    208.49000       1.12835
     December        2          2007    208.50439       1.12843
     December        3          2007    208.51877       1.12851
     December        4          2007    208.53316       1.12858
     December        5          2007    208.54755       1.12866
     December        6          2007    208.56194       1.12874
     December        7          2007    208.57632       1.12882
     December        8          2007    208.59071       1.12890
     December        9          2007    208.60510       1.12897
     December        10         2007    208.61948       1.12905
     December        11         2007    208.63387       1.12913
     December        12         2007    208.64826       1.12921
     December        13         2007    208.66265       1.12928
     December        14         2007    208.67703       1.12936
     December        15         2007    208.69142       1.12944
     December        16         2007    208.70581       1.12952
     December        17         2007    208.72019       1.12960
     December        18         2007    208.73458       1.12967
     December        19         2007    208.74897       1.12975
     December        20         2007    208.76335       1.12983
     December        21         2007    208.77774       1.12991
     December        22         2007    208.79213       1.12999
     December        23         2007    208.80652       1.13006
     December        24         2007    208.82090       1.13014
     December        25         2007    208.83529       1.13022
     December        26         2007    208.84968       1.13030
     December        27         2007    208.86406       1.13037
     December        28         2007    208.87845       1.13045
     December        29         2007    208.89284       1.13053
     December        30         2007    208.90723       1.13061
     December        31         2007    208.92161       1.13069