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3-5/8% TREASURY 10-YEAR INFLATION-INDEXED NOTES

Ref CPI and Index Ratios for September 2001

Contact: Office of Financing      202-504-3550
DESCRIPTION:                            Series A-2008
CUSIP NUMBER:                           9128273T7
DATED DATE:                             January 15, 1998
ORIGINAL ISSUE DATE:                    January 15, 1998
ADDITIONAL ISSUE DATE:                  October 15, 1998
MATURITY DATE:                          January 15, 2008
Ref CPI on DATED DATE:                  161.55484
TABLE FOR MONTH OF:                     September 2001
NUMBER OF DAYS IN MONTH:                30

CPI-U (NSA) May 2001                    177.7
CPI-U (NSA) June 2001                   178.0
CPI-U (NSA) July 2001                   177.5

Month   Calendar Day    Year    Ref CPI      Index Ratio

September       1       2001    178.00000       1.10179
September       2       2001    177.98333       1.10169
September       3       2001    177.96667       1.10159
September       4       2001    177.95000       1.10148
September       5       2001    177.93333       1.10138
September       6       2001    177.91667       1.10128
September       7       2001    177.90000       1.10117
September       8       2001    177.88333       1.10107
September       9       2001    177.86667       1.10097
September       10      2001    177.85000       1.10086
September       11      2001    177.83333       1.10076
September       12      2001    177.81667       1.10066
September       13      2001    177.80000       1.10056
September       14      2001    177.78333       1.10045
September       15      2001    177.76667       1.10035
September       16      2001    177.75000       1.10025
September       17      2001    177.73333       1.10014
September       18      2001    177.71667       1.10004
September       19      2001    177.70000       1.09994
September       20      2001    177.68333       1.09983
September       21      2001    177.66667       1.09973
September       22      2001    177.65000       1.09963
September       23      2001    177.63333       1.09952
September       24      2001    177.61667       1.09942
September       25      2001    177.60000       1.09932
September       26      2001    177.58333       1.09921
September       27      2001    177.56667       1.09911
September       28      2001    177.55000       1.09901
September       29      2001    177.53333       1.09890
September       30      2001    177.51667       1.09880