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3% TREASURY 10-YEAR INFLATION-INDEXED NOTES

Ref CPI and Index Ratios for February 2003

Contact: Office of Financing       202-504-3550

DESCRIPTION:                            Series C-2012
CUSIP NUMBER:                           912828AF7
DATED DATE:                             July 15, 2002
ORIGINAL ISSUE DATE:                    July 15, 2002
ADDITIONAL ISSUE DATE:                  October 15, 2002
                                        January 15, 2003
MATURITY DATE:                          July 15, 2012
Ref CPI on DATED DATE:                  179.80000
TABLE FOR MONTH OF:                     February 2003
NUMBER OF DAYS IN MONTH:                28

CPI-U (NSA) October 2002                181.3
CPI-U (NSA) November 2002               181.3
CPI-U (NSA) December 2002               180.9

Month   Calendar Day    Year    Ref CPI       Index Ratio

February        1       2003    181.30000       1.00834
February        2       2003    181.28571       1.00826
February        3       2003    181.27143       1.00818
February        4       2003    181.25714       1.00810
February        5       2003    181.24286       1.00802
February        6       2003    181.22857       1.00795
February        7       2003    181.21429       1.00787
February        8       2003    181.20000       1.00779
February        9       2003    181.18571       1.00771
February        10      2003    181.17143       1.00763
February        11      2003    181.15714       1.00755
February        12      2003    181.14286       1.00747
February        13      2003    181.12857       1.00739
February        14      2003    181.11429       1.00731
February        15      2003    181.10000       1.00723
February        16      2003    181.08571       1.00715
February        17      2003    181.07143       1.00707
February        18      2003    181.05714       1.00699
February        19      2003    181.04286       1.00691
February        20      2003    181.02857       1.00683
February        21      2003    181.01429       1.00675
February        22      2003    181.00000       1.00667
February        23      2003    180.98571       1.00659
February        24      2003    180.97143       1.00652
February        25      2003    180.95714       1.00644
February        26      2003    180.94286       1.00636
February        27      2003    180.92857       1.00628
February        28      2003    180.91429       1.00620