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3-7/8% TREASURY 10-YEAR INFLATION-INDEXED NOTES

Ref CPI and Index Ratios for May 2004

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:                     May 2004
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) January 2004                185.2
CPI-U (NSA) February 2004               186.2
CPI-U (NSA) March 2004                  187.4

Month   Calendar Day    Year    Ref CPI       Index Ratio

May             1       2004    186.20000       1.13537
May             2       2004    186.23871       1.13560
May             3       2004    186.27742       1.13584
May             4       2004    186.31613       1.13607
May             5       2004    186.35484       1.13631
May             6       2004    186.39355       1.13655
May             7       2004    186.43226       1.13678
May             8       2004    186.47097       1.13702
May             9       2004    186.50968       1.13725
May             10      2004    186.54839       1.13749
May             11      2004    186.58710       1.13773
May             12      2004    186.62581       1.13796
May             13      2004    186.66452       1.13820
May             14      2004    186.70323       1.13843
May             15      2004    186.74194       1.13867
May             16      2004    186.78065       1.13891
May             17      2004    186.81935       1.13914
May             18      2004    186.85806       1.13938
May             19      2004    186.89677       1.13961
May             20      2004    186.93548       1.13985
May             21      2004    186.97419       1.14009
May             22      2004    187.01290       1.14032
May             23      2004    187.05161       1.14056
May             24      2004    187.09032       1.14079
May             25      2004    187.12903       1.14103
May             26      2004    187.16774       1.14127
May             27      2004    187.20645       1.14150
May             28      2004    187.24516       1.14174
May             29      2004    187.28387       1.14197
May             30      2004    187.32258       1.14221
May             31      2004    187.36129       1.14245