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3-7/8% 30-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for October 2005

Contact: Office of Financing       202-504-3550
DESCRIPTION:                            TIPS of April 2029
CUSIP NUMBER:                           912810FH6
DATED DATE:                             April 15, 1999
ORIGINAL ISSUE DATE:                    April 15, 1999
ADDITIONAL ISSUE DATE:                  October 15, 1999
                                        October 16, 2000
MATURITY DATE:                          April 15, 2029
Ref CPI on DATED DATE:                  164.39333
TABLE FOR MONTH OF:                     October 2005
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) June 2005                           194.5
CPI-U (NSA) July 2005                           195.4
CPI-U (NSA) August 2005                         196.4

Month   Calendar Day    Year    Ref CPI      Index Ratio

October        1       2005    195.40000       1.18861
October        2       2005    195.43226       1.18881
October        3       2005    195.46452       1.18901
October        4       2005    195.49677       1.18920
October        5       2005    195.52903       1.18940
October        6       2005    195.56129       1.18959
October        7       2005    195.59355       1.18979
October        8       2005    195.62581       1.18999
October        9       2005    195.65806       1.19018
October        10      2005    195.69032       1.19038
October        11      2005    195.72258       1.19057
October        12      2005    195.75484       1.19077
October        13      2005    195.78710       1.19097
October        14      2005    195.81935       1.19116
October        15      2005    195.85161       1.19136
October        16      2005    195.88387       1.19156
October        17      2005    195.91613       1.19175
October        18      2005    195.94839       1.19195
October        19      2005    195.98065       1.19214
October        20      2005    196.01290       1.19234
October        21      2005    196.04516       1.19254
October        22      2005    196.07742       1.19273
October        23      2005    196.10968       1.19293
October        24      2005    196.14194       1.19313
October        25      2005    196.17419       1.19332
October        26      2005    196.20645       1.19352
October        27      2005    196.23871       1.19371
October        28      2005    196.27097       1.19391
October        29      2005    196.30323       1.19411
October        30      2005    196.33548       1.19430
October        31      2005    196.36774       1.19450