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3-1/2% TREASURY 10-YEAR INFLATION-INDEXED NOTES

Ref CPI and Index Ratios for May 2002

Contact: Office of Financing      202-504-3550
DESCRIPTION:                            Series A-2011
CUSIP NUMBER:                           9128276R8
DATED DATE:                             January 15, 2001
ORIGINAL ISSUE DATE:                    January 16, 2001
ADDITIONAL ISSUE DATE:                  July 16, 2001
MATURITY DATE:                          January 15, 2011
Ref CPI on DATED DATE:                  174.04516
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       1.02157
May             2       2002    177.83226       1.02176
May             3       2002    177.86452       1.02194
May             4       2002    177.89677       1.02213
May             5       2002    177.92903       1.02232
May             6       2002    177.96129       1.02250
May             7       2002    177.99355       1.02269
May             8       2002    178.02581       1.02287
May             9       2002    178.05806       1.02306
May             10      2002    178.09032       1.02324
May             11      2002    178.12258       1.02343
May             12      2002    178.15484       1.02361
May             13      2002    178.18710       1.02380
May             14      2002    178.21935       1.02398
May             15      2002    178.25161       1.02417
May             16      2002    178.28387       1.02435
May             17      2002    178.31613       1.02454
May             18      2002    178.34839       1.02472
May             19      2002    178.38065       1.02491
May             20      2002    178.41290       1.02510
May             21      2002    178.44516       1.02528
May             22      2002    178.47742       1.02547
May             23      2002    178.50968       1.02565
May             24      2002    178.54194       1.02584
May             25      2002    178.57419       1.02602
May             26      2002    178.60645       1.02621
May             27      2002    178.63871       1.02639
May             28      2002    178.67097       1.02658
May             29      2002    178.70323       1.02676
May             30      2002    178.73548       1.02695
May             31      2002    178.76774       1.02713