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2% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for September 2005

Contact: Office of Financing       202-504-3550
DESCRIPTION:                            Series A-2014
CUSIP NUMBER:                           912828BW9
DATED DATE:                             January 15, 2004
ORIGINAL ISSUE DATE:                    January 15, 2004
ADDITIONAL ISSUE DATE:                  April 15, 2004
MATURITY DATE:                          January 15, 2014
Ref CPI on DATED DATE:                  184.77419
TABLE FOR MONTH OF:                     September 2005
NUMBER OF DAYS IN MONTH:                30

CPI-U (NSA) May 2005                    194.4
CPI-U (NSA) June 2005                   194.5
CPI-U (NSA) July 2005                   195.4

Month   Calendar Day    Year    Ref CPI      Index Ratio

September      1       2005    194.50000       1.05264
September      2       2005    194.53000       1.05280
September      3       2005    194.56000       1.05296
September      4       2005    194.59000       1.05312
September      5       2005    194.62000       1.05329
September      6       2005    194.65000       1.05345
September      7       2005    194.68000       1.05361
September      8       2005    194.71000       1.05377
September      9       2005    194.74000       1.05394
September      10      2005    194.77000       1.05410
September      11      2005    194.80000       1.05426
September      12      2005    194.83000       1.05442
September      13      2005    194.86000       1.05458
September      14      2005    194.89000       1.05475
September      15      2005    194.92000       1.05491
September      16      2005    194.95000       1.05507
September      17      2005    194.98000       1.05523
September      18      2005    195.01000       1.05540
September      19      2005    195.04000       1.05556
September      20      2005    195.07000       1.05572
September      21      2005    195.10000       1.05588
September      22      2005    195.13000       1.05605
September      23      2005    195.16000       1.05621
September      24      2005    195.19000       1.05637
September      25      2005    195.22000       1.05653
September      26      2005    195.25000       1.05670
September      27      2005    195.28000       1.05686
September      28      2005    195.31000       1.05702
September      29      2005    195.34000       1.05718
September      30      2005    195.37000       1.05734