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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 2006

    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 2006
     NUMBER OF DAYS IN MONTH:                30

     CPI-U (NSA) July 2006                   203.5
     CPI-U (NSA) August 2006                 203.9
     CPI-U (NSA) September 2006              202.9

     Month   Calendar Day    Year    Ref CPI      Index Ratio

     November       1       2006    203.90000       1.21192
     November       2       2006    203.86667       1.21172
     November       3       2006    203.83333       1.21153
     November       4       2006    203.80000       1.21133
     November       5       2006    203.76667       1.21113
     November       6       2006    203.73333       1.21093
     November       7       2006    203.70000       1.21073
     November       8       2006    203.66667       1.21054
     November       9       2006    203.63333       1.21034
     November       10      2006    203.60000       1.21014
     November       11      2006    203.56667       1.20994
     November       12      2006    203.53333       1.20974
     November       13      2006    203.50000       1.20954
     November       14      2006    203.46667       1.20935
     November       15      2006    203.43333       1.20915
     November       16      2006    203.40000       1.20895
     November       17      2006    203.36667       1.20875
     November       18      2006    203.33333       1.20855
     November       19      2006    203.30000       1.20836
     November       20      2006    203.26667       1.20816
     November       21      2006    203.23333       1.20796
     November       22      2006    203.20000       1.20776
     November       23      2006    203.16667       1.20756
     November       24      2006    203.13333       1.20737
     November       25      2006    203.10000       1.20717
     November       26      2006    203.06667       1.20697
     November       27      2006    203.03333       1.20677
     November       28      2006    203.00000       1.20657
     November       29      2006    202.96667       1.20637
     November       30      2006    202.93333       1.20618