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4-1/4% TREASURY 10-YEAR INFLATION-INDEXED NOTES

Ref CPI and Index Ratios for May 2003

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:                     May 2003
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) January 2003                181.7
CPI-U (NSA) February 2003               183.1
CPI-U (NSA) March 2003                  184.2

Month   Calendar Day    Year    Ref CPI       Index Ratio

May             1       2003    183.10000       1.08829
May             2       2003    183.13548       1.08850
May             3       2003    183.17097       1.08871
May             4       2003    183.20645       1.08893
May             5       2003    183.24194       1.08914
May             6       2003    183.27742       1.08935
May             7       2003    183.31290       1.08956
May             8       2003    183.34839       1.08977
May             9       2003    183.38387       1.08998
May             10      2003    183.41935       1.09019
May             11      2003    183.45484       1.09040
May             12      2003    183.49032       1.09061
May             13      2003    183.52581       1.09082
May             14      2003    183.56129       1.09103
May             15      2003    183.59677       1.09125
May             16      2003    183.63226       1.09146
May             17      2003    183.66774       1.09167
May             18      2003    183.70323       1.09188
May             19      2003    183.73871       1.09209
May             20      2003    183.77419       1.09230
May             21      2003    183.80968       1.09251
May             22      2003    183.84516       1.09272
May             23      2003    183.88065       1.09293
May             24      2003    183.91613       1.09314
May             25      2003    183.95161       1.09335
May             26      2003    183.98710       1.09357
May             27      2003    184.02258       1.09378
May             28      2003    184.05806       1.09399
May             29      2003    184.09355       1.09420
May             30      2003    184.12903       1.09441
May             31      2003    184.16452       1.09462