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1-7/8% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for November 2005

Contact: Office of Financing       202-504-3550
DESCRIPTION:                            Series C-2013
CUSIP NUMBER:                           912828BD1
DATED DATE:                             July 15, 2003
ORIGINAL ISSUE DATE:                    July 15, 2003
ADDITIONAL ISSUE DATE:                  October 15, 2003
MATURITY DATE:                          July 15, 2013
Ref CPI on DATED DATE:                  183.66452
TABLE FOR MONTH OF:                     November 2005
NUMBER OF DAYS IN MONTH:                30

CPI-U (NSA) July 2005                   195.4
CPI-U (NSA) August 2005                 196.4
CPI-U (NSA) September 2005              198.8

Month   Calendar Day    Year    Ref CPI       Index Ratio

November        1       2005    196.40000       1.06934
November        2       2005    196.48000       1.06978
November        3       2005    196.56000       1.07021
November        4       2005    196.64000       1.07065
November        5       2005    196.72000       1.07108
November        6       2005    196.80000       1.07152
November        7       2005    196.88000       1.07195
November        8       2005    196.96000       1.07239
November        9       2005    197.04000       1.07283
November        10      2005    197.12000       1.07326
November        11      2005    197.20000       1.07370
November        12      2005    197.28000       1.07413
November        13      2005    197.36000       1.07457
November        14      2005    197.44000       1.07500
November        15      2005    197.52000       1.07544
November        16      2005    197.60000       1.07587
November        17      2005    197.68000       1.07631
November        18      2005    197.76000       1.07675
November        19      2005    197.84000       1.07718
November        20      2005    197.92000       1.07762
November        21      2005    198.00000       1.07805
November        22      2005    198.08000       1.07849
November        23      2005    198.16000       1.07892
November        24      2005    198.24000       1.07936
November        25      2005    198.32000       1.07979
November        26      2005    198.40000       1.08023
November        27      2005    198.48000       1.08067
November        28      2005    198.56000       1.08110
November        29      2005    198.64000       1.08154
November        30      2005    198.72000       1.08197