ANNOUNCEMENTS, DATA & RESULTS

Treasury Inflation-Protected Securities (TIPS) Reference CPI Numbers and Daily Index Ratios

FOR IMMEDIATE RELEASE    Contact: Office of Financing
December 15, 2005                  202-504-3550

Public Debt announced today the reference Consumer
Price Index (CPI) numbers and daily index ratios
for the month of January for the following
Treasury inflation-protected securities (TIPS):

(1) 3-3/8% 10-year TIPS due January 15, 2007
(2) 3-5/8% 10-year TIPS due January 15, 2008
(3) 3-5/8% 30-year TIPS due April 15, 2028
(4) 3-7/8% 10-year TIPS due January 15, 2009
(5) 3-7/8% 30-year TIPS due April 15, 2029
(6) 4-1/4% 10-year TIPS due January 15, 2010
(7) 3-1/2% 10-year TIPS due January 15, 2011
(8) 3-3/8% 30-1/2-year TIPS due April 15, 2032
(9) 3-3/8% 10-year TIPS due January 15, 2012
(10) 3% 10-year TIPS due July 15, 2012
(11) 1-7/8% 10-year TIPS due July 15, 2013
(12) 2% 10-year TIPS due January 15, 2014
(13) 2% 10-year TIPS due July 15, 2014
(14) 2-3/8% 20-1/2-year TIPS due January 15, 2025
(15) 0-7/8% 5-1/2-year TIPS due April 15, 2010
(16) 1-5/8% 10-year TIPS due January 15, 2015
(17) 1-7/8% 10-year TIPS due July 15, 2015

This information is based on the non-seasonally
adjusted U.S. City Average All Items Consumer Price
Index for All Urban Consumers (CPI-U) published by
the Bureau of Labor Statistics of the U.S. Department
of Labor.

In addition to the publication of the reference CPI's
(Ref CPI) and index ratios, this release provides the
non-seasonally adjusted CPI-U for the prior three-
month period.

The information for February is expected to be
released on January 18, 2006.