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3-7/8% TREASURY 30-YEAR INFLATION-INDEXED BONDS

Ref CPI and Index Ratios for May 2001

Contact: Office of Financing       202-504-3550

DESCRIPTION:                            Bonds of April 2029
CUSIP NUMBER:                           912810FH6
DATED DATE:                             April 15, 1999
ORIGINAL ISSUE DATE:                    April 15, 1999
ADDITIONAL ISSUE DATES:                 October 15, 1999
                                        October 16, 2000
MATURITY DATE:                          April 15, 2029
Ref CPI on DATED DATE:                  164.39333
TABLE FOR MONTH OF:                     May 2001
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) January 2001                175.1
CPI-U (NSA) February 2001               175.8
CPI-U (NSA) March 2001                  176.2

Month   Calendar Day    Year    Ref CPI      Index Ratio

May             1       2001    175.80000       1.06939
May             2       2001    175.81290       1.06946
May             3       2001    175.82581       1.06954
May             4       2001    175.83871       1.06962
May             5       2001    175.85161       1.06970
May             6       2001    175.86452       1.06978
May             7       2001    175.87742       1.06986
May             8       2001    175.89032       1.06994
May             9       2001    175.90323       1.07001
May             10      2001    175.91613       1.07009
May             11      2001    175.92903       1.07017
May             12      2001    175.94194       1.07025
May             13      2001    175.95484       1.07033
May             14      2001    175.96774       1.07041
May             15      2001    175.98065       1.07049
May             16      2001    175.99355       1.07056
May             17      2001    176.00645       1.07064
May             18      2001    176.01935       1.07072
May             19      2001    176.03226       1.07080
May             20      2001    176.04516       1.07088
May             21      2001    176.05806       1.07096
May             22      2001    176.07097       1.07103
May             23      2001    176.08387       1.07111
May             24      2001    176.09677       1.07119
May             25      2001    176.10968       1.07127
May             26      2001    176.12258       1.07135
May             27      2001    176.13548       1.07143
May             28      2001    176.14839       1.07151
May             29      2001    176.16129       1.07158
May             30      2001    176.17419       1.07166
May             31      2001    176.18710       1.07174