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3-3/8% 30-1/2-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for September 2005

Contact: Office of Financing       202-504-3550
DESCRIPTION:                            TIPS of April 2032
CUSIP NUMBER:                           912810FQ6
DATED DATE:                             October 15, 2001
ORIGINAL ISSUE DATE:                    October 15, 2001
ADDITIONAL ISSUE DATE:                  N/A
MATURITY DATE:                          April 15, 2032
Ref CPI on DATED DATE:                  177.50000
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       1.09577
September      2       2005    194.53000       1.09594
September      3       2005    194.56000       1.09611
September      4       2005    194.59000       1.09628
September      5       2005    194.62000       1.09645
September      6       2005    194.65000       1.09662
September      7       2005    194.68000       1.09679
September      8       2005    194.71000       1.09696
September      9       2005    194.74000       1.09713
September      10      2005    194.77000       1.09730
September      11      2005    194.80000       1.09746
September      12      2005    194.83000       1.09763
September      13      2005    194.86000       1.09780
September      14      2005    194.89000       1.09797
September      15      2005    194.92000       1.09814
September      16      2005    194.95000       1.09831
September      17      2005    194.98000       1.09848
September      18      2005    195.01000       1.09865
September      19      2005    195.04000       1.09882
September      20      2005    195.07000       1.09899
September      21      2005    195.10000       1.09915
September      22      2005    195.13000       1.09932
September      23      2005    195.16000       1.09949
September      24      2005    195.19000       1.09966
September      25      2005    195.22000       1.09983
September      26      2005    195.25000       1.10000
September      27      2005    195.28000       1.10017
September      28      2005    195.31000       1.10034
September      29      2005    195.34000       1.10051
September      30      2005    195.37000       1.10068