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3-7/8% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for February 2005

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:                     February 2005
NUMBER OF DAYS IN MONTH:                28

CPI-U (NSA) October 2004                190.9
CPI-U (NSA) November 2004               191.0
CPI-U (NSA) December 2004               190.3

Month   Calendar Day    Year    Ref CPI Index Ratio

February        1       2005    191.00000       1.16463
February        2       2005    190.97500       1.16448
February        3       2005    190.95000       1.16433
February        4       2005    190.92500       1.16418
February        5       2005    190.90000       1.16402
February        6       2005    190.87500       1.16387
February        7       2005    190.85000       1.16372
February        8       2005    190.82500       1.16357
February        9       2005    190.80000       1.16341
February        10      2005    190.77500       1.16326
February        11      2005    190.75000       1.16311
February        12      2005    190.72500       1.16296
February        13      2005    190.70000       1.16280
February        14      2005    190.67500       1.16265
February        15      2005    190.65000       1.16250
February        16      2005    190.62500       1.16235
February        17      2005    190.60000       1.16220
February        18      2005    190.57500       1.16204
February        19      2005    190.55000       1.16189
February        20      2005    190.52500       1.16174
February        21      2005    190.50000       1.16159
February        22      2005    190.47500       1.16143
February        23      2005    190.45000       1.16128
February        24      2005    190.42500       1.16113
February        25      2005    190.40000       1.16098
February        26      2005    190.37500       1.16082
February        27      2005    190.35000       1.16067
February        28      2005    190.32500       1.16052