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3-1/2% 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-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:                     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       1.09742
February        2       2005    190.97500       1.09727
February        3       2005    190.95000       1.09713
February        4       2005    190.92500       1.09699
February        5       2005    190.90000       1.09684
February        6       2005    190.87500       1.09670
February        7       2005    190.85000       1.09655
February        8       2005    190.82500       1.09641
February        9       2005    190.80000       1.09627
February        10      2005    190.77500       1.09612
February        11      2005    190.75000       1.09598
February        12      2005    190.72500       1.09584
February        13      2005    190.70000       1.09569
February        14      2005    190.67500       1.09555
February        15      2005    190.65000       1.09541
February        16      2005    190.62500       1.09526
February        17      2005    190.60000       1.09512
February        18      2005    190.57500       1.09497
February        19      2005    190.55000       1.09483
February        20      2005    190.52500       1.09469
February        21      2005    190.50000       1.09454
February        22      2005    190.47500       1.09440
February        23      2005    190.45000       1.09426
February        24      2005    190.42500       1.09411
February        25      2005    190.40000       1.09397
February        26      2005    190.37500       1.09383
February        27      2005    190.35000       1.09368
February        28      2005    190.32500       1.09354