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3-7/8% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS) Due January 15, 2009

Ref CPI and Index Ratios for November 2006

    Contact: Office of Financing           202-504-3550
   DESCRIPTION:                            Series A-2009
   CUSIP NUMBER:                           9128274Y5
   DATED DATE:                             January 15, 1999
   ORIGINAL ISSUE DATE:                    January 15, 1999
   ADDITIONAL ISSUE DATE:                  July 15, 1999
   MATURITY DATE:                          January 15, 2009
   Ref CPI on DATED DATE:                  164.00000
   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       1.24329
   November       2       2006    203.86667       1.24309
   November       3       2006    203.83333       1.24289
   November       4       2006    203.80000       1.24268
   November       5       2006    203.76667       1.24248
   November       6       2006    203.73333       1.24228
   November       7       2006    203.70000       1.24207
   November       8       2006    203.66667       1.24187
   November       9       2006    203.63333       1.24167
   November       10      2006    203.60000       1.24146
   November       11      2006    203.56667       1.24126
   November       12      2006    203.53333       1.24106
   November       13      2006    203.50000       1.24085
   November       14      2006    203.46667       1.24065
   November       15      2006    203.43333       1.24045
   November       16      2006    203.40000       1.24024
   November       17      2006    203.36667       1.24004
   November       18      2006    203.33333       1.23984
   November       19      2006    203.30000       1.23963
   November       20      2006    203.26667       1.23943
   November       21      2006    203.23333       1.23923
   November       22      2006    203.20000       1.23902
   November       23      2006    203.16667       1.23882
   November       24      2006    203.13333       1.23862
   November       25      2006    203.10000       1.23841
   November       26      2006    203.06667       1.23821
   November       27      2006    203.03333       1.23801
   November       28      2006    203.00000       1.23780
   November       29      2006    202.96667       1.23760
   November       30      2006    202.93333       1.23740