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4-1/4% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS) Due January 15, 2010

Ref CPI and Index Ratios for November 2007

     Contact: Office of Financing            202-504-3550
     DESCRIPTION:                            Series A-2010
     CUSIP NUMBER:                           9128275W8
     DATED DATE:                             January 15, 2000
     ORIGINAL ISSUE DATE:                    January 18, 2000
     ADDITIONAL ISSUE DATE:                  July 17, 2000
     MATURITY DATE:                          January 15, 2010
     Ref CPI on DATED DATE:                  168.24516
     TABLE FOR MONTH OF:                     November 2007
     NUMBER OF DAYS IN MONTH:                30

     CPI-U (NSA) July 2007                   208.299
     CPI-U (NSA) August 2007                 207.917
     CPI-U (NSA) September 2007              208.490

     Month   Calendar Day    Year    Ref CPI       Index Ratio

     November        1       2007    207.91700       1.23580
     November        2       2007    207.93610       1.23591
     November        3       2007    207.95520       1.23602
     November        4       2007    207.97430       1.23614
     November        5       2007    207.99340       1.23625
     November        6       2007    208.01250       1.23637
     November        7       2007    208.03160       1.23648
     November        8       2007    208.05070       1.23659
     November        9       2007    208.06980       1.23671
     November        10      2007    208.08890       1.23682
     November        11      2007    208.10800       1.23693
     November        12      2007    208.12710       1.23705
     November        13      2007    208.14620       1.23716
     November        14      2007    208.16530       1.23727
     November        15      2007    208.18440       1.23739
     November        16      2007    208.20350       1.23750
     November        17      2007    208.22260       1.23761
     November        18      2007    208.24170       1.23773
     November        19      2007    208.26080       1.23784
     November        20      2007    208.27990       1.23795
     November        21      2007    208.29900       1.23807
     November        22      2007    208.31810       1.23818
     November        23      2007    208.33720       1.23830
     November        24      2007    208.35630       1.23841
     November        25      2007    208.37540       1.23852
     November        26      2007    208.39450       1.23864
     November        27      2007    208.41360       1.23875
     November        28      2007    208.43270       1.23886
     November        29      2007    208.45180       1.23898
     November        30      2007    208.47090       1.23909