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

Ref CPI and Index Ratios for May 2002

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 2002
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) January 2002                177.1
CPI-U (NSA) February 2002               177.8
CPI-U (NSA) March 2002                  178.8

Month   Calendar Day    Year    Ref CPI       Index Ratio

May             1       2002    177.80000       1.05679
May             2       2002    177.83226       1.05698
May             3       2002    177.86452       1.05717
May             4       2002    177.89677       1.05737
May             5       2002    177.92903       1.05756
May             6       2002    177.96129       1.05775
May             7       2002    177.99355       1.05794
May             8       2002    178.02581       1.05813
May             9       2002    178.05806       1.05833
May             10      2002    178.09032       1.05852
May             11      2002    178.12258       1.05871
May             12      2002    178.15484       1.05890
May             13      2002    178.18710       1.05909
May             14      2002    178.21935       1.05928
May             15      2002    178.25161       1.05948
May             16      2002    178.28387       1.05967
May             17      2002    178.31613       1.05986
May             18      2002    178.34839       1.06005
May             19      2002    178.38065       1.06024
May             20      2002    178.41290       1.06043
May             21      2002    178.44516       1.06063
May             22      2002    178.47742       1.06082
May             23      2002    178.50968       1.06101
May             24      2002    178.54194       1.06120
May             25      2002    178.57419       1.06139
May             26      2002    178.60645       1.06158
May             27      2002    178.63871       1.06178
May             28      2002    178.67097       1.06197
May             29      2002    178.70323       1.06216
May             30      2002    178.73548       1.06235
May             31      2002    178.76774       1.06254