Are you looking for...

3-5/8% 10-YEAR TREASURY INFLATION-PROTECTED SECURITIES (TIPS) Due January 15, 2008

Ref CPI and Index Ratios for May 2007

    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:                     May 2007
    NUMBER OF DAYS IN MONTH:                31

    CPI-U (NSA) January 2007                202.416
    CPI-U (NSA) February 2007               203.499
    CPI-U (NSA) March 2007                  205.352

    Month   Calendar Day    Year    Ref CPI       Index Ratio

    May             1       2007    203.49900       1.25963
    May             2       2007    203.55877       1.26000
    May             3       2007    203.61855       1.26037
    May             4       2007    203.67832       1.26074
    May             5       2007    203.73810       1.26111
    May             6       2007    203.79787       1.26148
    May             7       2007    203.85765       1.26185
    May             8       2007    203.91742       1.26222
    May             9       2007    203.97719       1.26259
    May             10      2007    204.03697       1.26296
    May             11      2007    204.09674       1.26333
    May             12      2007    204.15652       1.26370
    May             13      2007    204.21629       1.26407
    May             14      2007    204.27606       1.26444
    May             15      2007    204.33584       1.26481
    May             16      2007    204.39561       1.26518
    May             17      2007    204.45539       1.26555
    May             18      2007    204.51516       1.26592
    May             19      2007    204.57494       1.26629
    May             20      2007    204.63471       1.26666
    May             21      2007    204.69448       1.26703
    May             22      2007    204.75426       1.26740
    May             23      2007    204.81403       1.26777
    May             24      2007    204.87381       1.26814
    May             25      2007    204.93358       1.26851
    May             26      2007    204.99335       1.26888
    May             27      2007    205.05313       1.26925
    May             28      2007    205.11290       1.26962
    May             29      2007    205.17268       1.26999
    May             30      2007    205.23245       1.27036
    May             31      2007    205.29223       1.27073