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3-5/8% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS)

Ref CPI and Index Ratios for September 2004

Contact: Office of Financing      202-504-3550
DESCRIPTION:                            Series A-2008
CUSIP NUMBER:                           9128273T7
DATED DATE:                             January 15, 1998
ORIGINAL ISSUE DATE:                    January 15, 1998
ADDITIONAL ISSUE DATE:                  October 15, 1998
MATURITY DATE:                          January 15, 2008
Ref CPI on DATED DATE:                  161.55484
TABLE FOR MONTH OF:                     September 2004
NUMBER OF DAYS IN MONTH:                30

CPI-U (NSA) May 2004                    189.1
CPI-U (NSA) June 2004                   189.7
CPI-U (NSA) July 2004                   189.4

Month   Calendar Day    Year    Ref CPI       Index Ratio

September       1       2004    189.70000       1.17421
September       2       2004    189.69000       1.17415
September       3       2004    189.68000       1.17409
September       4       2004    189.67000       1.17403
September       5       2004    189.66000       1.17397
September       6       2004    189.65000       1.17390
September       7       2004    189.64000       1.17384
September       8       2004    189.63000       1.17378
September       9       2004    189.62000       1.17372
September       10      2004    189.61000       1.17366
September       11      2004    189.60000       1.17360
September       12      2004    189.59000       1.17353
September       13      2004    189.58000       1.17347
September       14      2004    189.57000       1.17341
September       15      2004    189.56000       1.17335
September       16      2004    189.55000       1.17329
September       17      2004    189.54000       1.17322
September       18      2004    189.53000       1.17316
September       19      2004    189.52000       1.17310
September       20      2004    189.51000       1.17304
September       21      2004    189.50000       1.17298
September       22      2004    189.49000       1.17291
September       23      2004    189.48000       1.17285
September       24      2004    189.47000       1.17279
September       25      2004    189.46000       1.17273
September       26      2004    189.45000       1.17267
September       27      2004    189.44000       1.17260
September       28      2004    189.43000       1.17254
September       29      2004    189.42000       1.17248
September       30      2004    189.41000       1.17242