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

Ref CPI and Index Ratios for February 2003

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:                     February 2003
NUMBER OF DAYS IN MONTH:                28

CPI-U (NSA) October 2002                181.3
CPI-U (NSA) November 2002               181.3
CPI-U (NSA) December 2002               180.9

Month   Calendar Day    Year    Ref CPI       Index Ratio

February        1       2003    181.30000       1.12222
February        2       2003    181.28571       1.12213
February        3       2003    181.27143       1.12204
February        4       2003    181.25714       1.12195
February        5       2003    181.24286       1.12187
February        6       2003    181.22857       1.12178
February        7       2003    181.21429       1.12169
February        8       2003    181.20000       1.12160
February        9       2003    181.18571       1.12151
February        10      2003    181.17143       1.12142
February        11      2003    181.15714       1.12134
February        12      2003    181.14286       1.12125
February        13      2003    181.12857       1.12116
February        14      2003    181.11429       1.12107
February        15      2003    181.10000       1.12098
February        16      2003    181.08571       1.12089
February        17      2003    181.07143       1.12080
February        18      2003    181.05714       1.12072
February        19      2003    181.04286       1.12063
February        20      2003    181.02857       1.12054
February        21      2003    181.01429       1.12045
February        22      2003    181.00000       1.12036
February        23      2003    180.98571       1.12027
February        24      2003    180.97143       1.12019
February        25      2003    180.95714       1.12010
February        26      2003    180.94286       1.12001
February        27      2003    180.92857       1.11992
February        28      2003    180.91429       1.11983