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3-5/8% 30-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for January 2005

Contact: Office of Financing       202-504-3550
DESCRIPTION:                            TIPS of April 2028
CUSIP NUMBER:                           912810FD5
DATED DATE:                             April 15, 1998
ORIGINAL ISSUE DATE:                    April 15, 1998
ADDITIONAL ISSUE DATE:                  July 15, 1998
MATURITY DATE:                          April 15, 2028
Ref CPI on DATED DATE:                  161.74000
TABLE FOR MONTH OF:                     January 2005
NUMBER OF DAYS IN MONTH:                31

CPI-U (NSA) September 2004              189.9
CPI-U (NSA) October 2004                190.9
CPI-U (NSA) November 2004               191.0

Month   Calendar Day    Year    Ref CPI       Index Ratio

January         1       2005    190.90000       1.18029
January         2       2005    190.90323       1.18031
January         3       2005    190.90645       1.18033
January         4       2005    190.90968       1.18035
January         5       2005    190.91290       1.18037
January         6       2005    190.91613       1.18039
January         7       2005    190.91935       1.18041
January         8       2005    190.92258       1.18043
January         9       2005    190.92581       1.18045
January         10      2005    190.92903       1.18047
January         11      2005    190.93226       1.18049
January         12      2005    190.93548       1.18051
January         13      2005    190.93871       1.18053
January         14      2005    190.94194       1.18055
January         15      2005    190.94516       1.18057
January         16      2005    190.94839       1.18059
January         17      2005    190.95161       1.18061
January         18      2005    190.95484       1.18063
January         19      2005    190.95806       1.18065
January         20      2005    190.96129       1.18067
January         21      2005    190.96452       1.18069
January         22      2005    190.96774       1.18071
January         23      2005    190.97097       1.18073
January         24      2005    190.97419       1.18075
January         25      2005    190.97742       1.18077
January         26      2005    190.98065       1.18079
January         27      2005    190.98387       1.18081
January         28      2005    190.98710       1.18083
January         29      2005    190.99032       1.18085
January         30      2005    190.99355       1.18087
January         31      2005    190.99677       1.18089