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

Ref CPI and Index Ratios for September 2002

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 2002
NUMBER OF DAYS IN MONTH:                30

CPI-U (NSA) May 2002                    179.8
CPI-U (NSA) June 2002                   179.9
CPI-U (NSA) July 2002                   180.1

Month     Calendar Day  Year     Ref CPI      Index Ratio

September       1       2002    179.90000       1.11355
September       2       2002    179.90667       1.11360
September       3       2002    179.91333       1.11364
September       4       2002    179.92000       1.11368
September       5       2002    179.92667       1.11372
September       6       2002    179.93333       1.11376
September       7       2002    179.94000       1.11380
September       8       2002    179.94667       1.11384
September       9       2002    179.95333       1.11388
September       10      2002    179.96000       1.11393
September       11      2002    179.96667       1.11397
September       12      2002    179.97333       1.11401
September       13      2002    179.98000       1.11405
September       14      2002    179.98667       1.11409
September       15      2002    179.99333       1.11413
September       16      2002    180.00000       1.11417
September       17      2002    180.00667       1.11421
September       18      2002    180.01333       1.11426
September       19      2002    180.02000       1.11430
September       20      2002    180.02667       1.11434
September       21      2002    180.03333       1.11438
September       22      2002    180.04000       1.11442
September       23      2002    180.04667       1.11446
September       24      2002    180.05333       1.11450
September       25      2002    180.06000       1.11454
September       26      2002    180.06667       1.11459
September       27      2002    180.07333       1.11463
September       28      2002    180.08000       1.11467
September       29      2002    180.08667       1.11471
September       30      2002    180.09333       1.11475