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

Ref CPI and Index Ratios for July 2001

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:                     July 2001
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) March 2001                  176.2
CPI-U (NSA) April 2001                  176.9
CPI-U (NSA) May 2001                    177.7

Month   Calendar Day    Year    Ref CPI      Index Ratio

July            1       2001    176.90000       1.07866
July            2       2001    176.92581       1.07882
July            3       2001    176.95161       1.07897
July            4       2001    176.97742       1.07913
July            5       2001    177.00323       1.07929
July            6       2001    177.02903       1.07945
July            7       2001    177.05484       1.07960
July            8       2001    177.08065       1.07976
July            9       2001    177.10645       1.07992
July            10      2001    177.13226       1.08007
July            11      2001    177.15806       1.08023
July            12      2001    177.18387       1.08039
July            13      2001    177.20968       1.08055
July            14      2001    177.23548       1.08070
July            15      2001    177.26129       1.08086
July            16      2001    177.28710       1.08102
July            17      2001    177.31290       1.08118
July            18      2001    177.33871       1.08133
July            19      2001    177.36452       1.08149
July            20      2001    177.39032       1.08165
July            21      2001    177.41613       1.08181
July            22      2001    177.44194       1.08196
July            23      2001    177.46774       1.08212
July            24      2001    177.49355       1.08228
July            25      2001    177.51935       1.08244
July            26      2001    177.54516       1.08259
July            27      2001    177.57097       1.08275
July            28      2001    177.59677       1.08291
July            29      2001    177.62258       1.08306
July            30      2001    177.64839       1.08322
July            31      2001    177.67419       1.08338