MONTHLY STATEMENT OF THE PUBLIC DEBT OF THE UNITED STATES DECEMBER 31, 2005 (Details may not add to totals) TABLE I -- SUMMARY OF TREASURY SECURITIES OUTSTANDING, DECEMBER 31, 2005 (Millions of dollars) Amount Outstanding Title Debt Held Intragovernmental Totals By the Public Holdings Marketable: Bills................................................. 960,701 3,166 963,867 Notes................................................. 2,360,155 638 2,360,793 Bonds................................................. 516,425 196 516,621 Treasury Inflation-Protected Securities............... 328,567 111 328,678 Federal Financing Bank 1 ........................... 0 14,000 14,000 Total Marketable a..................................... 4,165,847 2 18,112 4,183,959 Nonmarketable: Domestic Series....................................... 29,995 0 29,995 Foreign Series........................................ 3,786 0 3,786 R.E.A. Series......................................... 1 0 1 State and Local Government Series..................... 235,566 0 235,566 United States Savings Securities...................... 205,162 0 205,162 Government Account Series............................. 69,097 3,437,480 3,506,577 Other................................................. 5,368 0 5,368 Total Nonmarketable b.................................. 548,975 3,437,480 3,986,454 Total Public Debt Outstanding........................... 4,714,821 20 3,455,592 20 8,170,414 TABLE II -- STATUTORY DEBT LIMIT, DECEMBER 31, 2005 Amount Outstanding Debt Held Intragovernmental Totals By the Public Holdings Debt Subject to Limit: Public Debt Outstanding............................... 4,714,821 3,455,592 8,170,414 Less Amounts Not Subject to Limit: Other Debt Not Subject to Limit..................... 508 0 508 Unamortized Discount 3............................. 31,748 17,288 49,036 Federal Financing Bank 1 ...................... 0 14,000 14,000 Total Public Debt Subject to Limit.................... 4,682,565 3,424,304 8,106,870 Other Debt Subject to Limit: Guaranteed Debt of Government Agencies 4 150 0 150 Total Public Debt Subject to Limit.................... 4,682,715 3,424,304 8,107,019 Statutory Debt Limit 5............................................................................... 8,184,000 Balance of Statutory Debt Limit....................................................................... 76,981 This statement is available at 3 p.m. Eastern time on the 4th workday of each month, at www.publicdebt.treas.gov COMPILED AND PUBLISHED BY THE BUREAU OF THE PUBLIC DEBT 2TABLE III - DETAIL OF TREASURY SECURITIES OUTSTANDING, DECEMBER 31, 2005 Issue Payable Callable Interest Amount in Millions of Dollars Loan Description Date Payable Issued (Retired) / InflatioOutstanding Marketable: Treasury Bills (Maturity Valu6 d CUSIP: Yield: 912795 WH0 3.325 07/07/05 01/05/06 01/05/06 19,883 0 63,097 3.525 10/06/05 24,281 3.750 12/08/05 18,933 912795 WJ6 3.355 07/14/05 01/12/06 01/12/06 21,019 0 63,586 3.630 10/13/05 25,081 3.570 12/15/05 17,487 912795 WK3 3.420 07/21/05 01/19/06 01/19/06 22,291 0 60,816 3.785 10/20/05 24,538 3.495 12/22/05 13,986 912795 WL1 3.540 07/28/05 01/26/06 01/26/06 23,472 0 63,447 3.850 10/27/05 26,304 3.470 12/29/05 13,671 912795 WM9 3.600 08/04/05 02/02/06 02/02/06 22,406 0 48,561 3.890 11/03/05 26,155 912795 WN7 3.680 08/11/05 02/09/06 02/09/06 22,360 0 48,048 3.870 11/10/05 25,688 912795 WP2 3.705 08/18/05 02/16/06 02/16/06 22,437 0 47,648 3.910 11/17/05 25,211 912795 WQ0 3.690 08/25/05 02/23/06 02/23/06 22,396 0 47,620 3.940 11/25/05 25,224 912795 WR8 3.705 09/01/05 03/02/06 03/02/06 21,277 0 45,753 3.900 12/01/05 24,476 912795 WS6 3.570 09/08/05 03/09/06 03/09/06 21,324 0 45,962 3.930 12/08/05 24,638 912795 WT4 3.670 09/15/05 03/16/06 03/16/06 21,247 0 45,727 3.820 12/15/05 24,480 912795 WU1 3.715 09/22/05 03/23/06 03/23/06 21,158 0 45,877 3.895 12/22/05 24,719 912795 WV9 3.745 09/29/05 03/30/06 03/30/06 21,212 0 44,738 3.905 12/29/05 23,526 912795 WW7 3.870 10/06/05 04/06/06 04/06/06 21,370 0 21,370 912795 WX5 3.950 10/13/05 04/13/06 04/13/06 22,374 0 22,374 912795 WY3 4.015 10/20/05 04/20/06 04/20/06 22,498 0 22,498 912795 WZ0 4.065 10/27/05 04/27/06 04/27/06 23,718 0 23,718 912795 XA4 4.125 11/03/05 05/04/06 05/04/06 23,780 0 23,780 912795 XB2 4.155 11/10/05 05/11/06 05/11/06 23,717 0 23,717 912795 XC0 4.195 11/17/05 05/18/06 05/18/06 22,431 0 22,431 912795 XD8 4.155 11/25/05 05/25/06 05/25/06 22,444 0 22,444 912795 XE6 4.155 12/01/05 06/01/06 06/01/06 22,490 0 22,490 912795 XF3 4.185 12/08/05 06/08/06 06/08/06 22,564 0 22,564 912795 XG1 4.180 12/15/05 06/15/06 06/15/06 22,384 0 22,384 912795 XH9 4.220 12/22/05 06/22/06 06/22/06 22,247 0 22,247 912795 XJ5 4.200 12/29/05 06/29/06 06/29/06 20,972 0 20,972 Total Unmatured Treasury Bills............................................. 963,866 0 963,866 Total Matured Treasury Bills............................................... * 0 * Total Treasury Bills....................................................... 963,867 0 963,867 Treasury Notes 7 e CUSIP: Series:Interest Rate: 912828 BX7 K 1.875 02/02/04 01/31/06 07/31-01/31 32,533 0 32,533 912827 W81 A 5.625 02/15/96 02/15/06 02/15-08/15 15,514 0 15,514 912828 CB4 L 1.625 03/01/04 02/28/06 08/31-02/28 34,002 0 34,002 912828 CD0 M 1.500 03/31/04 03/31/06 09/30-03/31 34,339 0 34,339 912828 CF5 N 2.250 04/30/04 04/30/06 10/31-04/30 34,335 0 34,335 912827 X80 B 6.875 05/15/96 05/15/06 11/15-05/15 16,015 0 16,015 912827 6X5 E 4.625 05/15/01 05/15/06 11/15-05/15 27,798 0 27,798 912828 AY6 G 2.000 05/15/03 05/15/06 11/15-05/15 22,392 0 22,392 912828 CK4 P 2.500 06/01/04 05/31/06 11/30-05/31 31,308 0 31,308 912828 CM0 Q 2.750 06/30/04 06/30/06 12/31-06/30 32,588 0 32,588 912827 Y55 C 7.000 07/15/96 07/15/06 01/15-07/15 22,740 0 22,740 912828 CQ1 R 2.750 08/02/04 07/31/06 01/31-07/31 31,011 0 31,011 912828 BF6 H 2.375 08/15/03 08/15/06 02/15-08/15 27,909 0 27,909 912828 CU2 S 2.375 08/31/04 08/31/06 02/28-08/31 31,814 0 31,814 912828 CW8 T 2.500 09/30/04 09/30/06 03/31-09/30 31,656 0 31,656 912827 Z62 D 6.500 10/15/96 10/15/06 04/15-10/15 22,460 0 22,460 912828 CY4 U 2.500 11/01/04 10/31/06 04/30-10/31 29,569 0 29,569 912827 7F3 F 3.500 11/15/01 11/15/06 05/15-11/15 35,380 0 35,380 912828 BP4 J 2.625 11/17/03 11/15/06 05/15-11/15 26,536 0 26,536 912828 DD9 V 2.875 11/30/04 11/30/06 05/31-11/30 30,049 0 30,049 912828 DF4 W 3.000 12/31/04 12/31/06 06/30-12/31 31,952 0 31,952 912828 DJ6 M 3.125 01/31/05 01/31/07 07/31-01/31 29,027 0 29,027 912827 2J0 B 6.250 02/18/97 02/15/07 08/15-02/15 13,104 0 13,104 912828 BY5 H 2.250 02/17/04 02/15/07 08/15-02/15 25,469 0 25,469 912828 DN7 N 3.375 02/28/05 02/28/07 08/31-02/28 32,007 0 32,007 912828 DQ0 P 3.750 03/31/05 03/31/07 09/30-03/31 32,001 0 32,001 912828 DS6 Q 3.625 05/02/05 04/30/07 10/31-04/30 31,998 0 31,998 912827 2U5 C 6.625 05/15/97 05/15/07 11/15-05/15 13,958 0 13,958 912828 AC4 E 4.375 05/15/02 05/15/07 11/15-05/15 24,351 0 24,351 912828 CG3 J 3.125 05/17/04 05/15/07 11/15-05/15 27,564 0 27,564 912828 DW7 R 3.500 05/31/05 05/31/07 11/30-05/31 29,119 0 29,119 912828 DY3 S 3.625 06/30/05 06/30/07 12/31-06/30 26,664 0 26,664 912828 EB2 T 3.875 08/01/05 07/31/07 01/31-07/31 25,870 0 25,870 912827 3E0 D 6.125 08/15/97 08/15/07 02/15-08/15 25,637 0 25,637 912828 AH3 F 3.250 08/15/02 08/15/07 02/15-08/15 25,411 0 25,411 912828 CR9 K 2.750 08/16/04 08/15/07 02/15-08/15 24,674 0 24,674 912828 EF3 U 4.000 08/31/05 08/31/07 02/28-08/31 26,671 0 26,671 912828 EH9 V 4.000 09/30/05 09/30/07 03/31-09/30 26,591 0 26,591 912828 EK2 W 4.250 10/31/05 10/31/07 04/30-10/31 26,553 0 26,553 912828 AN0 G 3.000 11/15/02 11/15/07 05/15-11/15 50,620 0 50,620 912828 EP1 X 4.250 11/30/05 11/30/07 05/31-11/30 26,667 0 26,667 912827 3X8 B 5.500 02/17/98 02/15/08 08/15-02/15 13,583 0 13,583 912828 AT7 E 3.000 02/18/03 02/15/08 08/15-02/15 27,489 0 27,489 912828 DK3 M 3.375 02/15/05 02/15/08 08/15-02/15 23,885 0 23,885 912827 4F6 C 5.625 05/15/98 05/15/08 11/15-05/15 27,191 0 27,191 912828 AZ3 F 2.625 05/15/03 05/15/08 11/15-05/15 33,338 0 33,338 912828 DT4 N 3.750 05/16/05 05/15/08 11/15-05/15 26,708 0 26,708 912828 BG4 G 3.250 08/15/03 08/15/08 02/15-08/15 21,357 0 21,357 912828 EC0 P 4.125 08/15/05 08/15/08 02/15-08/15 20,291 0 20,291 912828 BK5 H 3.125 09/15/03 09/15/08 03/15-09/15 16,002 0 16,002 912828 BM1 J 3.125 10/15/03 10/15/08 04/15-10/15 15,996 0 15,996 912827 4V1 D 4.750 11/16/98 11/15/08 05/15-11/15 25,083 0 25,083 912828 BQ2 K 3.375 11/17/03 11/15/08 05/15-11/15 18,181 0 18,181 912828 EL0 Q 4.375 11/15/05 11/15/08 05/15-11/15 21,450 0 21,450 912828 BT6 L 3.375 12/15/03 12/15/08 06/15-12/15 16,000 0 16,000 912828 BV1 D 3.250 01/15/04 01/15/09 07/15-01/15 16,003 0 16,003 912828 BZ2 E 3.000 02/17/04 02/15/09 08/15-02/15 17,434 0 17,434 912828 CC2 F 2.625 03/15/04 03/15/09 09/15-03/15 16,001 0 16,001 912828 CE8 G 3.125 04/15/04 04/15/09 10/15-04/15 16,003 0 16,003 912827 5G3 B 5.500 05/17/99 05/15/09 11/15-05/15 14,795 0 14,795 912828 CH1 H 3.875 05/17/04 05/15/09 11/15-05/15 18,060 0 18,060 912828 CL2 J 4.000 06/15/04 06/15/09 12/15-06/15 15,005 0 15,005 912828 CN8 K 3.625 07/15/04 07/15/09 01/15-07/15 15,005 0 15,005 912827 5N8 C 6.000 08/16/99 08/15/09 02/15-08/15 27,400 0 27,400 912828 CS7 L 3.500 08/16/04 08/15/09 02/15-08/15 17,295 0 17,295 912828 CV0 M 3.375 09/15/04 09/15/09 03/15-09/15 15,005 0 15,005 912828 CX6 N 3.375 10/15/04 10/15/09 04/15-10/15 15,005 0 15,005 912828 DB3 P 3.500 11/15/04 11/15/09 05/15-11/15 18,752 0 18,752 912828 DE7 Q 3.500 12/15/04 12/15/09 06/15-12/15 15,002 0 15,002 912828 DG2 E 3.625 01/18/05 01/15/10 07/15-01/15 15,005 0 15,005 912827 5Z1 B 6.500 02/15/00 02/15/10 08/15-02/15 23,356 0 23,356 912828 DL1 F 3.500 02/15/05 02/15/10 08/15-02/15 16,617 0 16,617 912828 DP2 G 4.000 03/15/05 03/15/10 09/15-03/15 15,005 0 15,005 912828 DR8 H 4.000 04/15/05 04/15/10 10/15-04/15 15,001 0 15,001 912828 DU1 J 3.875 05/16/05 05/15/10 11/15-05/15 18,749 0 18,749 912828 DX5 K 3.625 06/15/05 06/15/10 12/15-06/15 14,001 0 14,001 912828 DZ0 L 3.875 07/15/05 07/15/10 01/15-07/15 13,001 0 13,001 912827 6J6 C 5.750 08/15/00 08/15/10 02/15-08/15 22,438 0 22,438 912828 ED8 M 4.125 08/15/05 08/15/10 02/15-08/15 14,963 0 14,963 912828 EG1 N 3.875 09/15/05 09/15/10 03/15-09/15 13,001 0 13,001 912828 EJ5 P 4.250 10/17/05 10/15/10 04/15-10/15 13,001 0 13,001 912828 EM8 Q 4.500 11/15/05 11/15/10 05/15-11/15 15,961 0 15,961 912828 EQ9 R 4.375 12/15/05 12/15/10 06/15-12/15 13,001 0 13,001 912827 6T4 B 5.000 02/15/01 02/15/11 08/15-02/15 23,436 0 23,436 912827 7B2 C 5.000 08/15/01 08/15/11 02/15-08/15 26,635 0 26,635 912827 7L0 B 4.875 02/15/02 02/15/12 08/15-02/15 24,780 0 24,780 912828 AJ9 D 4.375 08/15/02 08/15/12 02/15-08/15 19,648 0 19,648 912828 AP5 E 4.000 11/15/02 11/15/12 05/15-11/15 18,113 0 18,113 912828 AU4 A 3.875 02/18/03 02/15/13 08/15-02/15 19,498 0 19,498 912828 BA7 B 3.625 05/15/03 05/15/13 11/15-05/15 18,254 0 18,254 912828 BH2 D 4.250 08/15/03 08/15/13 02/15-08/15 33,521 0 33,521 912828 BR0 E 4.250 11/17/03 11/15/13 05/15-11/15 30,637 0 30,637 912828 CA6 B 4.000 02/17/04 02/15/14 08/15-02/15 28,081 0 28,081 912828 CJ7 C 4.750 05/17/04 05/15/14 11/15-05/15 27,303 0 27,303 912828 CT5 E 4.250 08/16/04 08/15/14 02/15-08/15 24,722 0 24,722 912828 DC1 F 4.250 11/15/04 11/15/14 05/15-11/15 25,473 0 25,473 912828 DM9 B 4.000 02/15/05 02/15/15 08/15-02/15 24,215 0 24,215 912828 DV9 C 4.125 05/16/05 05/15/15 11/15-05/15 24,472 0 24,472 912828 EE6 E 4.250 08/15/05 08/15/15 02/15-08/15 22,470 0 22,470 912828 EN6 F 4.500 11/15/05 11/15/15 05/15-11/15 23,221 0 23,221 Total Unmatured Treasury Notes............................................. 2,326,750 0 2,326,750 Total Matured Treasury Notes 19............................................ 34,043 0 34,043 Total Treasury Notes....................................................... 2,360,793 0 2,360,793 Treasury Bonds 7 e CUSIP: Interest Rate: 912810 DU9 9.375 01/15/86 02/15/06 08/15-02/15 4,756 0 4,756 912810 CV8 13.875 8 05/15/81 05/15/11 05/15/06 9 11/15-05/15 4,609 (1,064) 3,545 912810 CY2 14.000 8 11/16/81 11/15/11 11/15/06 9 05/15-11/15 4,901 (852) 4,048 912810 DB1 10.375 8 11/15/82 11/15/12 11/15/07 9 05/15-11/15 11,032 (906) 10,126 912810 DF2 12.000 8 08/15/83 08/15/13 08/15/08 9 02/15-08/15 14,755 (2,838) 11,917 912810 DJ4 13.250 8 05/15/84 05/15/14 05/15/09 9 11/15-05/15 5,007 (527) 4,481 912810 DL9 12.500 8 08/15/84 08/15/14 08/15/09 9 02/15-08/15 5,128 (740) 4,388 912810 DN5 11.750 11/15/84 11/15/14 11/15/09 9 05/15-11/15 6,006 (990) 5,015 912810 DP0 11.250 02/15/85 02/15/15 08/15-02/15 12,668 (2,148) 10,520 912810 DS4 10.625 08/15/85 08/15/15 02/15-08/15 7,150 (3,126) 4,024 912810 DT2 9.875 11/29/85 11/15/15 05/15-11/15 6,900 (1,315) 5,585 912810 DV7 9.250 02/18/86 02/15/16 08/15-02/15 7,267 (1,835) 5,432 912810 DW5 7.250 05/15/86 05/15/16 11/15-05/15 18,824 0 18,824 912810 DX3 7.500 11/17/86 11/15/16 05/15-11/15 18,864 (77) 18,787 912810 DY1 8.750 05/15/87 05/15/17 11/15-05/15 18,194 (2,635) 15,559 912810 DZ8 8.875 08/17/87 08/15/17 02/15-08/15 14,017 (3,049) 10,968 912810 EA2 9.125 05/16/88 05/15/18 11/15-05/15 8,709 (1,991) 6,717 912810 EB0 9.000 11/22/88 11/15/18 05/15-11/15 9,033 (1,858) 7,174 912810 EC8 8.875 02/15/89 02/15/19 08/15-02/15 19,251 (6,160) 13,090 912810 ED6 8.125 08/15/89 08/15/19 02/15-08/15 20,214 (1,273) 18,941 912810 EE4 8.500 02/15/90 02/15/20 08/15-02/15 10,229 (753) 9,476 912810 EF1 8.750 05/15/90 05/15/20 11/15-05/15 10,159 (2,577) 7,582 912810 EG9 8.750 08/15/90 08/15/20 02/15-08/15 21,419 (4,359) 17,059 912810 EH7 7.875 02/15/91 02/15/21 08/15-02/15 11,113 (1,038) 10,076 912810 EJ3 8.125 05/15/91 05/15/21 11/15-05/15 11,959 (1,892) 10,067 912810 EK0 8.125 08/15/91 08/15/21 02/15-08/15 12,163 (2,657) 9,506 912810 EL8 8.000 11/15/91 11/15/21 05/15-11/15 32,798 (2,166) 30,632 912810 EM6 7.250 08/17/92 08/15/22 02/15-08/15 10,353 (225) 10,128 912810 EN4 7.625 11/16/92 11/15/22 05/15-11/15 10,700 (3,276) 7,424 912810 EP9 7.125 02/16/93 02/15/23 08/15-02/15 18,374 (2,592) 15,782 912810 EQ7 6.250 08/16/93 08/15/23 02/15-08/15 22,909 (250) 22,659 912810 ES3 7.500 08/15/94 11/15/24 11/15-05/15 11,470 (1,866) 9,604 912810 ET1 7.625 02/15/95 02/15/25 08/15-02/15 11,725 (2,216) 9,509 912810 EV6 6.875 08/15/95 08/15/25 02/15-08/15 12,602 (1,415) 11,187 912810 EW4 6.000 02/15/96 02/15/26 08/15-02/15 12,905 (67) 12,838 912810 EX2 6.750 08/15/96 08/15/26 02/15-08/15 10,894 (2,083) 8,810 912810 EY0 6.500 11/15/96 11/15/26 05/15-11/15 11,493 (633) 10,860 912810 EZ7 6.625 02/18/97 02/15/27 08/15-02/15 10,456 (934) 9,522 912810 FA1 6.375 08/15/97 08/15/27 02/15-08/15 10,736 (1,539) 9,197 912810 FB9 6.125 11/17/97 11/15/27 05/15-11/15 22,519 (497) 22,021 912810 FE3 5.500 08/17/98 08/15/28 02/15-08/15 11,776 0 11,776 912810 FF0 5.250 11/16/98 11/15/28 05/15-11/15 10,947 0 10,947 912810 FG8 5.250 02/16/99 02/15/29 08/15-02/15 11,350 0 11,350 912810 FJ2 6.125 08/16/99 08/15/29 02/15-08/15 11,179 0 11,179 912810 FM5 6.250 02/15/00 05/15/30 05/15-11/15 17,043 0 17,043 912810 FP8 5.375 02/15/01 02/15/31 08/15-02/15 16,428 0 16,428 Total Unmatured Treasury Bonds............................................. 582,981 (66,419) 516,562 Total Matured Treasury Bonds............................................... 59 0 59 Total Treasury Bonds....................................................... 583,040 (66,419) 516,621 Treasury Inflation-Protected 7 e CUSIP: Series:Interest Rate: 912827 2M3 A 3.375 02/06/97 01/15/07 07/15-01/15 15,758 4,053 19,811 912827 3T7 A 3.625 01/15/98 01/15/08 07/15-01/15 16,812 3,916 20,728 912827 4Y5 A 3.875 01/15/99 01/15/09 07/15-01/15 15,902 3,412 19,314 912827 5W8 A 4.250 01/18/00 01/15/10 07/15-01/15 11,321 2,082 13,403 912828 CZ1 D 0.875 10/29/04 04/15/10 04/15-10/15 28,001 1,440 29,441 912827 6R8 A 3.500 01/16/01 01/15/11 07/15-01/15 11,001 1,589 12,590 912827 7J5 A 3.375 01/15/02 01/15/12 07/15-01/15 6,004 731 6,735 912828 AF7 C 3.000 07/15/02 07/15/12 01/15-07/15 23,018 2,482 25,500 912828 BD1 C 1.875 07/15/03 07/15/13 01/15-07/15 20,008 1,691 21,699 912828 BW9 A 2.000 01/15/04 01/15/14 07/15-01/15 21,002 1,638 22,640 912828 CP3 D 2.000 07/15/04 07/15/14 01/15-07/15 19,002 1,078 20,080 912828 DH0 A 1.625 01/18/05 01/15/15 07/15-01/15 19,001 820 19,821 912828 EA4 D 1.875 07/15/05 07/15/15 01/15-07/15 17,000 409 17,409 912810 FR4 2.375 07/30/04 01/15/25 01/15-07/15 28,001 1,588 29,589 912810 FD5 3.625 04/15/98 04/15/28 10/15-04/15 16,808 3,861 20,669 912810 FH6 3.875 04/15/99 04/15/29 10/15-04/15 19,722 3,901 23,623 912810 FQ6 3.375 10/15/01 04/15/32 04/15-10/15 5,012 612 5,625 Total Treasury Inflation-Protected Securiti................................ 293,374 35,304 328,678 Federal Financing Bank....................... Various Various Various 14,000 0 14,000 Total Marketable............................................................. 4,215,075 (31,115) 4,183,959 6TABLE III - DETAIL OF TREASURY SECURITIES OUTSTANDING, DECEMBER 31, 2005 -- Continued Issue Payable Interest Amount in Millions of Dollars Loan Description Date Payable Issued (Retired) / Inflatio Outstanding Nonmarketable: Domestic Series: Fixed Term Certificates...... Various Various Various 510 (510) * Zero-coupon Treasury Bond ... 10/27/89 10/15/19 10/15/19 4,522 0 4,522 Zero-coupon Treasury Bond ... 07/16/90 07/15/20 07/15/20 5,026 0 5,026 Zero-coupon Treasury Bond (A) 10/05/90 10/15/20 10/15/20 3 0 3 Zero-coupon Treasury Bond (B) 10/05/90 10/15/20 10/15/20 5,000 0 5,000 Zero-coupon Treasury Bond ... 01/14/91 01/15/21 01/15/21 4,941 0 4,941 Zero-coupon Treasury Bond ... 01/29/90 01/15/30 01/15/30 5,002 0 5,002 Zero-coupon Treasury Bond ... 04/16/90 04/15/30 04/15/30 3,501 0 3,501 Zero-coupon Treasury Bond ... 01/14/91 04/15/30 04/15/30 2,000 0 2,000 Total Domestic Series............................................. 30,505 (510) 29,995 Foreign Series: Bills 02/01/06............... 12/14/05 02/01/06 02/01/06 100 0 100 Bills 02/01/06............... 12/14/05 02/01/06 02/01/06 100 0 100 Bills 03/01/06............... 12/14/05 03/01/06 03/01/06 100 0 100 Bills 03/01/06............... 12/14/05 03/01/06 03/01/06 100 0 100 Bills 04/03/06............... 12/14/05 04/03/06 04/03/06 100 0 100 Bills 04/03/06............... 12/14/05 04/03/06 04/03/06 100 0 100 Bills 05/01/06............... 12/14/05 05/01/06 05/01/06 100 0 100 Bills 05/01/06............... 12/14/05 05/01/06 05/01/06 100 0 100 Zero-coupon Treasury Bond10 12/18/90 03/31/20 03/31/20 7,258 (4,537) 2,721 Zero-coupon Treasury Bond10 04/07/93 03/31/23 03/31/23 6,685 (6,421) 264 Total Foreign Series.............................................. 14,743 (10,957) 3,786 R.E.A. Series: 5% Treasury Certificates of Indebtedness............... Various ............Semiannually 55 (54) 1 Total R.E.A. Series............................................... 55 (54) 1 State and Local Government Series: Treasury Time Deposit - Certificates of Indebtedness (Various ra Various ............ At maturity 282,848 (270,947) 11,901 Treasury Time Deposit - Notes (Various rates)............ Various ............ Various 555,324 (349,336) 205,988 Treasury Time Deposit - Bonds (Various rates)............ Various ............ Various 57,419 (39,807) 17,612 Treasury Demand Deposit..10 Various ............ Daily 5,473 (5,408) 65 Treasury Special Zero's - Not Various ........................ 300 (300) * Total State and Local Government Series.......................................................... 901,364 (665,798) 235,566 United States Savings Securities: United States Savings Bon11 e Series E...………............ Various On demand At redemptio 59,173 (43,068) 16,105 Series EE.............12 Various On demand At redemptio 260,817 (131,573) 129,244 Series H.................. Various On demand Semiannually 2,392 (2,130) 262 Series HH................. Various On demand Semiannually 20,612 (6,893) 13,719 Series I..............12 Various On demand At redemptio 35,198 (3,361) 31,837 Total United States Savings B................................... 378,192 (187,025) 191,167 United States Individual Retirement Bonds..................13 Various On demand At redemptio 84 (72) 12 United States Retirement Plan Bonds..................14 Various On demand At redemptio 385 (338) 47 Total Unmatured United States Savings Secu........................ 378,661 (187,435) 191,226 Total Matured United States Savings Securi........................ 13,936 0 13,936 Total United States Savings Securities............................ 392,597 (187,435) 205,162 TABLE III - DETAIL OF TREASURY SECURITIES OUTSTANDING, DECEMBER 31, 2005 -- Continued 7 Amount in Millions of Dollars Loan Description Issued (Retired) / Inflation Outstanding Nonmarketable--Continued: Government Account Series - Held By the Public: Custodial Tribal Fund, Office of the Special Trustee for America 476 0 476 14X6803 Deposits of Proceeds of Lands Withdrawn for Native Selection, Bureau of Indian Affairs..................................... 1 0 1 14X6140 Deposits, Outer Continental Shelf Lands Act, Bonus Bids, Minerals Management Service………………………………………………………………… 2 0 2 14X6705 Disgorgement Penalty Amounts Held for Investment................ 2,406 0 2,406 50X65630036 Escrow Account, National Labor Relations Board.................. 2 * 2 63X6154 Federal Ship Financing Escrow Fund, Maritime Administration..... * 0 * 69X6012 Gifts, Central Intelligence Agency.............................. * 0 * 56X6146 Individual Indian Money, Bureau of Indian Affairs............... 65 0 65 14X6039 Kuukpik Alaska Escrow Fund...................................... 38 0 38 14X6029 Maritime Guaranteed Loan Escrow Fund............................ 29 * 29 69X6040 Payments of Alleged Violators of Department of Energy Regulations, Department of Energy......................................... 284 0 284 89X6425 Seized Assets Fund, Justice..................................... 649 0 649 15X6874 Smithsonian Endowment Fund, Smithsonian Institution............. 1 0 1 33X62201 Special Investment Account...................................... 583 0 583 95X6167 Thrift Savings Fund, Federal Retirement Thrift Investment Board… 64,450 0 64,450 26X6153 Unearned Copyright Fees, Library Of Congress.................... 4 0 4 03X6206 USAO/Artemis Settlement Account, U.S. Attorneys, Justice........ 77 0 77 15X6118 Wage and Hour and Public Contracts Restitution Fund, Labor...... 2 0 2 16X6507 Government Account Series - Held By the Public.................... 69,069 * 69,069 Matured Government Account Series - Held By the Public 19......... 28 0 28 Total Government Account Series - Held By the Public.............. 69,097 * 69,097 Government Account Series - Intragovernmental Holdings: Abandoned Mines Reclamation Fund, Office of Surface Mining Reclamation and Enforcement............................................. 2,112 0 2,112 14X5015 Airport and Airway Trust Fund................................... 18,157 (6,496) 11,661 20X8103 Albanian Claims Fund, Treasury Department....................... 1 0 1 20X6104 Armed Forces Retirement Home Trust Fund......................... 126 0 126 84X8522 Assessment Funds, Office of the Comptroller of the Currency..... 485 0 485 20X8413 Assets Forfeiture Fund, Justice................................. 525 0 525 15X5042 Aviation Insurance Revolving Fund............................... 565 0 565 69X41201 Bank Insurance Fund, The........................................ 34,279 (1,480) 32,799 51X4064 Belize Escrow, Debt Reduction, Treasury......................... 1 0 1 20X6317 Bequests and Gifts, Disaster Relief, Funds Appropriated to the P 2 0 2 70X8244 Bequests of Major General Fred C. Ainsworth, Library, Walter Reed General Hospital............................................ * 0 * 21X8063 Botanic Gardens, Gifts and Donations............................ 6 0 6 09X8292 Capitol Preservation Fund, U.S. Capitol Preservation Commission. 19 (2) 18 09X8300 Cheyenne River Sioux Tribe Terrestrial Wildlife Habitat Restoration Trust Fund.................................................. 32 * 32 20X8209 Christopher Columbus Scholarship Fund, Christopher Columbus Fellowship Foundation....................................... 1 0 1 76X8187 Civil Service Retirement and Disability Fund, Office of Personne 785,291 (128,807) 656,484 24X8135 Claims Court Judges Retirement Fund............................. 15 0 15 10X8124 Coast Guard General Gift Fund................................... 1 0 1 70X8533 Community Development Credit Union Revolving Fund National Credit Union Administration........................ 10 0 10 25X4472 Conditional Gift Fund, General, Department of State............. 4 0 4 19X8822 Contributions, American Battle Monuments Commission............. 8 0 8 74X85692 Court of Veterans Appeals Retirement Fund....................... 12 0 12 95X8290 Defense Cooperation Account..................................... 6 0 6 97X5187 Department of Defense, Education Benefits Fund.................. 1,140 0 1,140 97X8098 Department of Defense, Medicare Eligible Retiree Fund........... 75,388 0 75,388 97X5472 Department of Defense Military Retirement Fund.................. 201,002 (4,776) 196,226 97X8097 Department of the Air Force General Gift Fund................... 1 0 1 57X8928 Department of the Army General Gift Fund........................ 3 0 3 21X8927 Department of the Navy General Gift Fund........................ 2 0 2 17X8716 District of Columbia Judges Retirement Fund..................... 105 0 105 20X8212 District of Columbia Federal Pension Trust Fund................. 3,534 0 3,534 20X5511 Eisenhower Exchange Fellowship Program Trust Fund............... 8 0 8 95X8276 Employees' Health Benefits Fund, Office of Personnel Management. 14,046 (954) 13,092 24X8440 Employees' Life Insurance Fund, Office of Personnel Management.. 29,996 0 29,996 24X8424 Endeavor Teacher Fellowship Trust Fund.......................... 1 0 1 80X8550 Energy Employees Occupational Illness Compensation Fund......... 120 0 120 16X1523 Environmental Improvement and Restoration Fund.................. 1,011 0 1,011 14X5425 Esther Cattell Schmitt Gift Fund, Treasury...................... * 0 * 20X8902 Exchange Stabilization Fund, Office of the Secretary, Treasury.. 15,320 0 15,320 20X44441 Expenses, Presidio Trust........................................ 137 (13) 125 95X4331 Expenses and Refunds, Inspection and Grading of Farm Products, Agricultural Marketing Service…………………………………………………………………. 10 0 10 12X8015 Farm Credit Insurance Fund, Capital Corporation Investment Fund, Farm Credit Administration ....................................... 1,940 0 1,940 78X4136 Federal Aid to Wildlife Restoration, United States Fish and Wild 487 0 487 14X5029 Federal Disability Insurance Trust Fund......................... 206,601 (10,887) 195,715 20X8007 Federal Hospital Insurance Trust Fund........................... 319,433 (33,492) 285,941 20X8005 FHA - General and Special Risk Insurance Fund, Liquidating Account, Housing and Urban Development................................ 4 0 4 86X4072 FHA - Liquidating Account, Housing and Urban Development........ 23,796 0 23,796 86X02362 Federal Old-Age and Survivors Insurance Trust Fund.............. 1,690,481 (26,755) 1,663,726 20X8006 Federal Supplementary Medical Insurance Trust Fund.............. 53,731 (29,802) 23,929 20X8004 Foreign Service Retirement and Disability Fund……………………………………………… 13,648 (31) 13,617 19X8186 FSLIC Resolution Fund, The...................................... 3,080 0 3,080 51X4065 General Post Fund, National Homes, Department of Veterans Affair 54 0 54 36X8180 German Democratic Republic Settlement Fund...................... 5 0 5 20X6314 Gifts and Bequests, Office of the Secretary, Department of Trans * 0 * 69X8548 Gifts and Bequests, Treasury.................................... 1 0 1 20X8790 Gifts and Donations, National Endowment of the Arts............. * 0 * 59X8040 Guarantees of Mortgage-Backed Securities Fund, Government National Mortgage Association, Housing and Urban Development.......... 8,062 0 8,062 86X4238 Harbor Maintenance Trust Fund................................... 2,742 0 2,742 20X8863 Harry S. Truman Memorial Scholarship Trust Fund, Harry S. Truman Scholarship Foundation....................................... 53 0 53 95X8296 Hazardous Substance Superfund................................... 2,345 0 2,345 20X8145 Highway Trust Fund.............................................. 31,561 (21,589) 9,972 20X81022 Host Nation Support for U.S. Relocation Activities Account...... 19 0 19 97X8337 Inland Waterways Trust Fund..................................... 324 0 324 20X8861 International Center for Middle Eastern-Western Dialogue Trust F 12 0 12 19X8813 Iranian Claims Settlement Fund, Treasury Department............. * 0 * 20X6312 Israeli Arab Scholarship Program, United States Information Agen 5 0 5 19X8271 James Madison Memorial Fellowship Foundation Fund............... 37 0 37 95X8282 Japan-United States Friendship Trust Fund, Japan-United States Friendship Commission........................................ 38 * 38 95X8025 John C. Stennis Center for Public Service Training and Developme 12 (1) 11 09X8275 Judicial Officers Retirement Fund............................... 232 0 232 10X8122 Judicial Survivors Annuities Fund............................... 463 0 463 10X8110 Kennedy Center Revenue Bond Sinking Fund........................ 8 * 8 20X6311 Land Between the Lakes Trust Fund............................... 5 0 5 12X8039 Leaking Underground Storage Tank Trust Fund..................... 2,499 0 2,499 20X8153 Library of Congress Gift Fund................................... 9 0 9 03X8031 Library of Congress Trust Fund.................................. 37 0 37 03X8032 Lincoln County Land Act......................................... 44 0 44 14X5469 Lower Brule Sioux Tribe Terrestrial Wildlife Habitat Restoration 11 * 11 20X8207 Marketing Services, Agricultural Marketing Service…………………………………… 11 0 11 12X2500 Morris K. Udall Scholarship and Excellence in National Environmental Policy Trust Fund............................................ 28 0 28 95X8615 National Archives Trust Fund, National Archives and Records Admi 2 0 2 88X8436 National Credit Union Share Insurance Fund...................... 6,499 0 6,499 25X4468 National Institutes of Health Unconditional Gift Fund........... 13 0 13 75X8248 National Law Enforcement Officers Memorial Maintenance Fund..... 1 0 1 14X4195 National Security Education Trust Fund.......................... 7 0 7 97X8168 National Service Life Insurance Fund, Department of Veterans Aff 18,799 (8,112) 10,687 36X8132 National Service Trust, Corporation for National and Community S 365 0 365 95X8267 Native American Institutions Endowment Fund..................... 77 0 77 12X5205 Natural Resource Damage Assessment and Restoration Fund, U.S. Fish and Wildlife Service, Interior............................... 184 0 184 14X5198 Nuclear Waste Disposal Fund, Department of Energy............... 36,799 (2,727) 34,072 89X5227 Oil Spill Liability Trust Fund.................................. 698 * 698 20X8185 Oliver Wendell Holmes Devise Fund, Library of Congress.......... * 0 * 03X5075 Operating Fund, National Credit Union Administration............ 27 0 27 25X4056 Operation and Maintenance, Indian Irrigation Systems, Bureau of 24 0 24 14X5240 Overseas Private Investment Corporation, Insurance and Equity Non Credit Account...................................................... 4,009 (24) 3,985 71X4184 Pajarito Plateau Homesteaders Compensation Fund................. 9 0 9 89X5520 Panama Canal Commission Compensation Fund....................... 74 0 74 16X5155 Patients Benefit Fund, National Institutes of Health............ 1 0 1 75X8888 Payments to Copyright Owners, Copyright Office, Library of Congr 948 * 948 03X5175 Pension Benefit Guaranty Corporation............................ 24,636 (10,547) 14,089 16X4204 Perishable Agricultural Commodities Act, Agricultural Marketing 1 0 1 12X5070 Postal Service Fund............................................. 1,747 0 1,747 18X4020 Power Systems, Indian Irrigation Projects, Bureau of Indian Affa 43 0 43 14X5648 Prison Industries Fund, Department of Justice................... 310 0 310 15X4500 Public Enterprise Revolving Fund, Office of Thrift Supervision, 165 0 165 20X4108 Public Health Service Conditional Gift Fund, Health Resources and Services Administration............................................... 3 0 3 75X8254 Railroad Retirement Account..................................... 670 (313) 357 60X8011 Relief and Rehabilitation, Longshoremen's and Harbor Workers' Compensation Act, as amended, Department of Labor......................... 40 0 40 16X8130 Relief and Rehabilitation, Workmen's Compensation Act, within the District of Columbia, Department of Labor................................ 2 0 2 16X8134 Reregistration and Expedited Processing Fund, Environmental Protection Age................................. 6 0 6 68X4310 Reserve Mobilization Income Insurance Fund, Defense............. 3 0 3 97X4179 Retired Employees Health Benefits Fund, Office of Personnel Management............................. 2 0 2 24X8445 Revolving Fund for Administrative Expense, Farm Credit Administr 21 0 21 78X4131 Russian Leadership Development Trust Fund....................... 30 (10) 20 09X8148 Saving Association Insurance Fund, The.......................... 12,636 (215) 12,421 51X4066 Science, Space and Technology Education Trust Fund, National Aeronautics and Space Administration..................................... 13 0 13 80X8978 Seized Currency, United States Customs Service.................. 327 0 327 20X6511 Senate Preservation Trust Fund.................................. 1 0 1 00X5509 Servicemen's Group Life Insurance Fund.......................... * 0 * 36X4009 Social Security Equivalent Benefit Account, Railroad Retirement 1,222 (452) 769 60X8010 South Dakota Terrestrial Wildlife Habitat Restoration Trust Fund 86 * 86 96X8217 Southern Nevada Public Land Management Act of 1998.............. 1,795 0 1,795 14X5232 Sport Fish Restoration and Boating Trust Fund................... 1,543 0 1,543 20X81472 Tax Court Judges Survivors Annuity Fund......................... 8 0 8 23X8115 Treasury Forfeiture Fund........................................ 199 0 199 20X5697 Tribal Special Fund, Office of the Special Trustee for American 20 0 20 14X5265 Tribal Trust Fund, Office of the Special Trustee for American In 26 0 26 14X8030 Trust Fund, The Barry Goldwater Scholarship and Excellence in Ed 65 * 65 95X8281 Unconditional Gift Fund, Department of State.................... * 0 * 19X8821 Unemployment Trust Fund......................................... 55,460 (1,485) 53,975 20X8042 United States Enrichment Corporation Fund....................... 1,400 0 1,400 95X4054 United States Government Life Insurance Fund, Department of Vete 77 (34) 44 36X8150 United States Naval Academy General Gift Fund................... 10 (3) 7 17X8733 United States Trustee System Fund, Justice...................... 287 0 287 15X5073 Uranium Enrichment and Decommissioning Fund, Department of Energ 4,104 0 4,104 89X5231 Utah Reclamation Mitigation and Conservation Account, Interior.. 154 0 154 14X5174 Vaccine Injury Compensation Trust Fund.......................... 2,175 0 2,175 20X8175 Veterans Reopened Insurance Fund................................ 693 (267) 426 36X4010 Veterans Special Life Insurance Fund, Trust Revolving Fund, Department of Veterans Affairs.............................................. 2,974 (999) 1,975 36X8455 Vietnam Claims Fund, Financial Management Service............... * 0 * 20X6315 Voluntary Separation Incentive Fund, Defense.................... 634 0 634 97X8335 War-Risk Insurance Revolving Fund, Maritime Administration...... 37 0 37 69X4302 Total Government Account Series - Intragovernmental Holdings...... 3,727,464 (290,271) 3,437,193 Matured Government Account Series - Intragovernmental Holdings 19. 287 0 287 Total Governmental Account Series - Intragovernmental Holdings.... 3,727,751 (290,271) 3,437,480 Total Government Account Series................................... 3,796,848 (290,271) 3,506,577 Other Debt: Not Subject to the Statutory Debt Limit: United States Notes................................................................................15 255 National and Federal Reserve Bank Notes assumed by the United States on deposit of lawful money for16 65 Silver Certificates (Act of June 24, 1967).........................................................17 177 Other.................................................................................................... 11 Total Not Subject to the Statutory Debt Limit.............................................................. 508 Subject to the Statutory Debt Limit: Mortgage Guaranty Insurance Company Tax and Loss Bonds............................................. c 4,802 United States Savings Stamps............................................................................. 45 Other.................................................................................................... 12 Total Subject to the Statutory Debt Limit.................................................................. 4,859 Total Other Debt............................................................................................. 5,368 Total Nonmarketable.......................................................................................... 3,986,454 Total Public Debt Outstanding................................................................................ 8,170,414 10 TABLE IV - HISTORICAL DATA, DECEMBER 31, 2005 (Millions of dollars) Comparative by Breakdown Dec. 31, 2005Dec. 31, 2004 Sept. 30, 2005 Sept. 30, 2004 Sept. 30, 2003 Sept. 30, 2002 Debt Held by the Public............ 4,714,821 4,408,389 4,601,239 4,307,345 3,924,090 3,553,180 Intragovernmental Holdings......... 3,4 3 3 3 2 2,675,056 Total Public Debt Outstanding...... 8,1 7 7 7 6 6,228,236 TABLE V - HOLDINGS OF TREASURY SECURITIES IN STRIPPED FORM, DECEMBER 31, 2005 Corpus Amount Outstanding in Thousands Loan Description STRIP Maturity Date Reconstituted CUSIP Total Portion Held inPortion Held in This 18 Outstanding Unstripped Form Stripped Form Treasury Bonds: CUSIP: Interest Rate: 912810 DU9 9.375 912803 AJ2 02/15/06 4,755,916 3,977,005 778,911 24,960 912810 DN5 11.750 912800 AA7 11/15/14 5,015,284 2,316,642 2,698,642 66,400 912810 DP0 11.250 912803 AA1 02/15/15 10,520,299 9,113,503 1,406,796 173,500 912810 DS4 10.625 912803 AC7 08/15/15 4,023,916 3,488,006 535,910 960 912810 DT2 9.875 912803 AE3 11/15/15 5,584,859 3,681,818 1,903,041 40,600 912810 DV7 9.250 912803 AF0 02/15/16 5,431,754 5,234,940 196,814 1,206,200 912810 DW5 7.250 912803 AH6 05/15/16 18,823,551 18,362,076 461,475 1,199,700 912810 DX3 7.500 912803 AK9 11/15/16 18,787,448 17,304,095 1,483,353 479,880 912810 DY1 8.750 912803 AL7 05/15/17 15,559,169 9,533,292 6,025,877 287,080 912810 DZ8 8.875 912803 AM5 08/15/17 10,968,358 7,954,366 3,013,992 1,676,000 912810 EA2 9.125 912803 AN3 05/15/18 6,717,439 3,771,021 2,946,418 1,692,200 912810 EB0 9.000 912803 AP8 11/15/18 7,174,470 3,163,639 4,010,831 1,737,700 912810 EC8 8.875 912803 AQ6 02/15/19 13,090,498 6,991,684 6,098,814 1,689,000 912810 ED6 8.125 912803 AR4 08/15/19 18,940,932 16,935,782 2,005,150 2,751,240 912810 EE4 8.500 912803 AS2 02/15/20 9,476,268 6,352,915 3,123,353 669,200 912810 EF1 8.750 912803 AT0 05/15/20 7,582,183 2,451,660 5,130,523 367,160 912810 EG9 8.750 912803 AU7 08/15/20 17,059,306 9,170,399 7,888,907 2,160,200 912810 EH7 7.875 912803 AV5 02/15/21 10,075,573 9,304,626 770,947 1,012,000 912810 EJ3 8.125 912803 AW3 05/15/21 10,066,788 6,053,439 4,013,349 960,747 912810 EK0 8.125 912803 AX1 08/15/21 9,506,382 7,748,527 1,757,855 511,720 912810 EL8 8.000 912803 AY9 11/15/21 30,632,194 14,001,695 16,630,499 3,726,300 912810 EM6 7.250 912803 AZ6 08/15/22 10,127,790 7,716,478 2,411,312 754,600 912810 EN4 7.625 912803 BA0 11/15/22 7,423,626 3,270,668 4,152,958 536,600 912810 EP9 7.125 912803 BB8 02/15/23 15,782,061 11,316,149 4,465,912 635,400 912810 EQ7 6.250 912803 BC6 08/15/23 22,659,044 18,956,523 3,702,521 5,296,552 912810 ES3 7.500 912803 BD4 11/15/24 9,604,162 3,268,292 6,335,870 399,900 912810 ET1 7.625 912803 BE2 02/15/25 9,509,170 3,975,469 5,533,701 1,803,400 912810 EV6 6.875 912803 BF9 08/15/25 11,187,207 6,989,346 4,197,861 6,111,320 912810 EW4 6.000 912803 BG7 02/15/26 12,837,916 11,602,372 1,235,544 1,869,500 912810 EX2 6.750 912803 BH5 08/15/26 8,810,418 5,126,055 3,684,363 627,300 912810 EY0 6.500 912803 BJ1 11/15/26 10,860,177 4,232,245 6,627,932 229,800 912810 EZ7 6.625 912803 BK8 02/15/27 9,521,971 4,762,346 4,759,625 132,400 912810 FA1 6.375 912803 BL6 08/15/27 9,196,756 5,846,267 3,350,489 106,600 912810 FB9 6.125 912803 BM4 11/15/27 22,021,339 8,782,920 13,238,419 539,200 912810 FE3 5.500 912803 BP7 08/15/28 11,776,201 10,877,769 898,432 455,600 912810 FF0 5.250 912803 BV4 11/15/28 10,947,052 9,566,396 1,380,656 398,833 912810 FG8 5.250 912803 BW2 02/15/29 11,350,341 10,462,745 887,596 313,400 912810 FJ2 6.125 912803 CG6 08/15/29 11,178,580 8,942,343 2,236,237 1,342,800 912810 FM5 6.250 912803 CH4 05/15/30 17,043,162 8,772,580 8,270,582 4,429,608 912810 FP8 5.375 912803 CK7 02/15/31 16,427,648 16,252,848 174,800 0 Total Treasury Bonds............... 478,057,208 327,630,941 150,426,267 48,415,560 Treasury Inflation-Protected Securities: CUSIP: Series: Interest Rate: 912827 2M3 A 3.375 912820 BV8 01/15/07 19,811,079 19,811,079 0 0 912827 3T7 A 3.625 912820 CL9 01/15/08 20,727,632 20,604,338 123,294 0 912827 4Y5 A 3.875 912820 DN4 01/15/09 19,314,415 19,313,201 1,215 0 912827 5W8 A 4.250 912820 EK9 01/15/10 13,403,001 13,403,001 0 0 912828 CZ1 D 0.875 912820 KV8 04/15/10 29,441,207 29,441,207 0 0 912827 6R8 A 3.500 912820 GA9 01/15/11 12,590,246 12,590,246 0 0 912827 7J5 A 3.375 912820 GT8 01/15/12 6,735,425 6,735,425 0 0 912828 AF7 C 3.000 912820 HC4 07/15/12 25,499,700 25,499,700 0 0 912828 BD1 C 1.875 912820 JA6 07/15/13 21,699,422 21,699,422 0 0 912828 BW9 A 2.000 912820 JT5 01/15/14 22,639,684 22,639,684 0 0 912828 CP3 D 2.000 912820 KL0 07/15/14 20,079,861 20,079,861 0 0 912828 DH0 A 1.625 912820 LE5 01/15/15 19,821,356 19,821,356 0 0 912828 EA4 D 1.875 912820 LX3 07/15/15 17,408,632 17,408,632 0 0 912810 FR4 2.375 912803 CN1 01/15/25 29,588,711 29,588,711 0 0 912810 FD5 3.625 912803 BN2 04/15/28 20,669,357 20,663,199 6,158 0 912810 FH6 3.875 912803 CF8 04/15/29 23,623,424 23,471,967 151,456 0 912810 FQ6 3.375 912803 CL5 04/15/32 5,624,630 5,624,630 0 0 Total Treasury Inflation-Protected 328,677,781 328,395,658 282,122 0 Treasury Notes: CUSIP: Series: Interest Rate: 912828 BX7 K 1.875 912820 JU2 01/31/06 32,533,188 32,533,188 0 0 912827 W81 A 5.625 912820 BR7 02/15/06 15,513,587 14,385,914 1,127,673 89,560 912828 CB4 L 1.625 912820 JY4 02/28/06 34,001,950 34,000,350 1,600 0 912828 CD0 M 1.500 912820 KA4 03/31/06 34,338,606 34,338,606 0 0 912828 CF5 N 2.250 912820 KC0 04/30/06 34,334,801 34,334,801 0 0 912827 X80 B 6.875 912820 BS5 05/15/06 16,015,475 13,660,873 2,354,602 10,080 912827 6X5 E 4.625 912820 GG6 05/15/06 27,797,852 27,771,018 26,834 0 912828 AY6 G 2.000 912820 HV2 05/15/06 22,391,759 22,225,359 166,400 0 912828 CK4 P 2.500 912820 KG1 05/31/06 31,307,947 31,094,747 213,200 0 912828 CM0 Q 2.750 912820 KJ5 06/30/06 32,587,733 32,587,733 0 0 912827 Y55 C 7.000 912820 BT3 07/15/06 22,740,446 22,514,046 226,400 0 912828 CQ1 R 2.750 912820 KM8 07/31/06 31,010,881 31,010,881 0 0 912828 BF6 H 2.375 912820 JC2 08/15/06 27,909,346 27,505,456 403,890 8,000 912828 CU2 S 2.375 912820 KR7 08/31/06 31,814,087 31,814,087 0 0 912828 CW8 T 2.500 912820 KT3 09/30/06 31,656,294 31,656,294 0 0 912827 Z62 D 6.500 912820 BU0 10/15/06 22,459,675 22,391,053 68,622 0 912828 CY4 U 2.500 912820 KW6 10/31/06 29,568,526 29,568,526 0 0 912827 7F3 F 3.500 912820 GQ4 11/15/06 35,380,129 34,277,772 1,102,357 27,100 912828 BP4 J 2.625 912820 JL2 11/15/06 26,535,905 26,115,265 420,640 0 912828 DD9 V 2.875 912820 LA3 11/30/06 30,049,344 30,001,344 48,000 0 912828 DF4 W 3.000 912820 LC9 12/31/06 31,951,752 31,951,752 0 0 912828 DJ6 M 3.125 912820 LF2 01/31/07 29,026,959 29,026,959 0 0 912827 2J0 B 6.250 912820 BW6 02/15/07 13,103,678 12,148,976 954,702 1,200 912828 BY5 H 2.250 912820 JV0 02/15/07 25,469,287 25,241,487 227,800 0 912828 DN7 N 3.375 912820 LK1 02/28/07 32,007,046 32,007,046 0 0 912828 DQ0 P 3.750 912820 LM7 03/31/07 32,000,981 32,000,981 0 0 912828 DS6 Q 3.625 912820 LP0 04/30/07 31,997,895 31,997,895 0 0 912827 2U5 C 6.625 912820 BX4 05/15/07 13,958,186 12,810,901 1,147,285 17,600 912828 AC4 E 4.375 912820 GZ4 05/15/07 24,351,431 24,295,821 55,610 0 912828 CG3 J 3.125 912820 KD8 05/15/07 27,564,268 26,368,919 1,195,349 0 912828 DW7 R 3.500 912820 LT2 05/31/07 29,119,184 29,119,184 0 0 912828 DY3 S 3.625 912820 LV7 06/30/07 26,664,251 26,664,251 0 0 912828 EB2 T 3.875 912820 LY1 07/31/07 25,869,508 25,869,508 0 0 912827 3E0 D 6.125 912820 CA3 08/15/07 25,636,803 23,587,976 2,048,827 28,647 912828 AH3 F 3.250 912820 HE0 08/15/07 25,410,844 25,393,464 17,380 0 912828 CR9 K 2.750 912820 KN6 08/15/07 24,673,687 24,463,227 210,460 0 912828 EF3 U 4.000 912820 MC8 08/31/07 26,671,232 26,671,232 0 0 912828 EH9 V 4.000 912820 ME4 09/30/07 26,590,770 26,590,770 0 0 912828 EK2 W 4.250 912820 MG9 10/31/07 26,552,797 26,552,797 0 0 912828 AN0 G 3.000 912820 HK6 11/15/07 50,619,528 48,323,874 2,295,654 73,700 912828 EP1 X 4.250 912820 ML8 11/30/07 26,666,931 26,666,931 0 0 912827 3X8 B 5.500 912820 CQ8 02/15/08 13,583,412 12,828,357 755,055 41,600 912828 AT7 E 3.000 912820 HQ3 02/15/08 27,489,260 27,324,860 164,400 0 912828 DK3 M 3.375 912820 LG0 02/15/08 23,885,083 23,402,003 483,080 36,800 912827 4F6 C 5.625 912820 CY1 05/15/08 27,190,961 25,389,128 1,801,833 42,240 912828 AZ3 F 2.625 912820 HW0 05/15/08 33,338,446 33,335,246 3,200 0 912828 DT4 N 3.750 912820 LQ8 05/15/08 26,707,681 26,251,121 456,560 50,920 912828 BG4 G 3.250 912820 JD0 08/15/08 21,357,474 20,519,854 837,620 10,000 912828 EC0 P 4.125 912820 LZ8 08/15/08 20,290,622 20,232,562 58,060 0 912828 BK5 H 3.125 912820 JG3 09/15/08 16,002,177 15,987,777 14,400 0 912828 BM1 J 3.125 912820 JJ7 10/15/08 15,995,702 15,995,702 0 0 912827 4V1 D 4.750 912820 DK0 11/15/08 25,083,125 24,694,695 388,430 4,800 912828 BQ2 K 3.375 912820 JM0 11/15/08 18,181,033 16,929,209 1,251,824 16,320 912828 EL0 Q 4.375 912820 MH7 11/15/08 21,449,894 21,449,894 0 0 912828 BT6 L 3.375 912820 JQ1 12/15/08 16,000,028 16,000,028 0 0 912828 BV1 D 3.250 912820 JS7 01/15/09 16,002,546 16,002,546 0 0 912828 BZ2 E 3.000 912820 JW8 02/15/09 17,433,763 17,217,263 216,500 0 912828 CC2 F 2.625 912820 JZ1 03/15/09 16,001,063 15,999,463 1,600 0 912828 CE8 G 3.125 912820 KB2 04/15/09 16,002,805 16,002,805 0 0 912827 5G3 B 5.500 912820 DV6 05/15/09 14,794,790 14,700,990 93,800 1,300 912828 CH1 H 3.875 912820 KE6 05/15/09 18,059,937 17,610,627 449,310 0 912828 CL2 J 4.000 912820 KH9 06/15/09 15,004,754 15,004,754 0 0 912828 CN8 K 3.625 912820 KK2 07/15/09 15,004,962 14,996,962 8,000 0 912827 5N8 C 6.000 912820 EA1 08/15/09 27,399,894 25,729,535 1,670,359 0 912828 CS7 L 3.500 912820 KP1 08/15/09 17,294,686 16,836,286 458,400 16,000 912828 CV0 M 3.375 912820 KS5 09/15/09 15,005,079 15,005,079 0 0 912828 CX6 N 3.375 912820 KU0 10/15/09 15,005,091 14,944,291 60,800 0 912828 DB3 P 3.500 912820 KY2 11/15/09 18,751,928 18,391,948 359,980 29,200 912828 DE7 Q 3.500 912820 LB1 12/15/09 15,002,485 15,002,485 0 0 912828 DG2 E 3.625 912820 LD7 01/15/10 15,004,697 14,997,897 6,800 0 912827 5Z1 B 6.500 912820 EM5 02/15/10 23,355,709 21,971,009 1,384,700 99,200 912828 DL1 F 3.500 912820 LH8 02/15/10 16,617,068 16,616,668 400 0 912828 DP2 G 4.000 912820 LL9 03/15/10 15,005,048 15,005,048 0 0 912828 DR8 H 4.000 912820 LN5 04/15/10 15,001,494 15,001,494 0 0 912828 DU1 J 3.875 912820 LR6 05/15/10 18,748,844 18,414,644 334,200 1,600 912828 DX5 K 3.625 912820 LU9 06/15/10 14,001,099 14,001,099 0 0 912828 DZ0 L 3.875 912820 LW5 07/15/10 13,000,529 13,000,529 0 0 912827 6J6 C 5.750 912820 FT9 08/15/10 22,437,594 20,832,265 1,605,329 21,600 912828 ED8 M 4.125 912820 MA2 08/15/10 14,963,424 14,876,224 87,200 12,040 912828 EG1 N 3.875 912820 MD6 09/15/10 13,000,827 12,996,027 4,800 0 912828 EJ5 P 4.250 912820 MF1 10/15/10 13,000,862 13,000,862 0 0 912828 EM8 Q 4.500 912820 MJ3 11/15/10 15,961,105 15,829,305 131,800 400 912828 EQ9 R 4.375 912820 MM6 12/15/10 13,000,813 13,000,813 0 0 912827 6T4 B 5.000 912820 GC5 02/15/11 23,436,329 22,503,659 932,670 28,160 912827 7B2 C 5.000 912820 GL5 08/15/11 26,635,316 25,795,286 840,030 440 912827 7L0 B 4.875 912820 GV3 02/15/12 24,779,838 24,643,878 135,960 0 912828 AJ9 D 4.375 912820 HF7 08/15/12 19,647,976 19,477,096 170,880 320 912828 AP5 E 4.000 912820 HL4 11/15/12 18,112,742 18,022,742 90,000 0 912828 AU4 A 3.875 912820 HR1 02/15/13 19,498,396 19,490,756 7,640 0 912828 BA7 B 3.625 912820 HX8 05/15/13 18,253,553 18,247,153 6,400 0 912828 BH2 D 4.250 912820 JE8 08/15/13 33,521,123 33,497,923 23,200 0 912828 BR0 E 4.250 912820 JN8 11/15/13 30,636,844 30,636,844 0 0 912828 CA6 B 4.000 912820 JX6 02/15/14 28,081,066 28,079,066 2,000 0 912828 CJ7 C 4.750 912820 KF3 05/15/14 27,302,981 27,046,051 256,930 0 912828 CT5 E 4.250 912820 KQ9 08/15/14 24,721,634 24,720,034 1,600 0 912828 DC1 F 4.250 912820 KZ9 11/15/14 25,472,536 25,472,536 0 0 912828 DM9 B 4.000 912820 LJ4 02/15/15 24,214,991 24,214,991 0 0 912828 DV9 C 4.125 912820 LS4 05/15/15 24,471,849 24,470,249 1,600 0 912828 EE6 E 4.250 912820 MB0 08/15/15 22,469,683 22,469,683 0 0 912828 EN6 F 4.500 912820 MK0 11/15/15 23,220,914 23,220,914 0 0 Total Treasury Notes............... 2,326,750,114 2,296,879,479 29,870,635 668,827 Grand Total................................................. 3,133,485,103 2,952,906,078 180,579,024 49,084,387 12MONTHLY STATEMENT OF THE PUBLIC DEBT OF THE UNITED STATES, DECEMBER 31, 2005 - FOOTNOTES * Less than $500 thousand. 1These long-term marketable securities have been issued to the Civil Service Retirement Fund and are not currently traded in the market. 2Included in this total are marketable securities held by Federal agencies for which Treasury serves as the custodian. Federal agencies may hold marketable securities through custodians other than Treasury for which data is not available. 3Represents the unamortized discount on Treasury Bills and zero-coupon Treasury Bonds. 4Debentures issued (series MM) by FHA that are redeemable with 3 months' notification. 5Pursuant to 31 U.S.C. 3101(b). By Act of November 19, 2004, Public Law 108-415, the Statutory Debt Limit was permanently increased to $8,184,000 million. 6Bills are sold by competitive bidding on a bank discount yield basis. The sale price of these securities gives an approximate yield on a bank discount basis (360 days a year) as indicated. Effective November 10, 1997, three decimal bidding, in .005 percent increments, is required for regular Treasury Bill auctions 4-,13- and 26- week bills. 7For price and yield ranges of unmatured securities issued at a premium or discount see Table 3, Public Debt Operations of the quarterly Treasury Bulletin. 8These securities are not eligible for stripping and reconstitution, see Table V, "Holdings of Treasury Securities in Stripped Form". 9Redeemable at option of United States on and after dates indicated, unless otherwise shown, but only on interest dates on 4 months' notice. 10Redeemable on demand. 11Amounts issued, retired, and outstanding for Series E, EE, and I Savings Bonds and Savings Notes are stated at cost plus accrued discount. Amounts issued, retired, and outstanding for Series H and HH Bonds are stated at face value. 12The minimum holding period has been extended from 6 to 12 months, effective with issues dated on and after February 1, 2003. Series EE and I Savings Bonds bearing issue dates prior to February 2003 retain the 6 month minimum holding period from the date of issue at which time they may be redeemed at the option of the owner. 13The bonds are issued at par and semiannual interest is added to principal. Redeemable without interest during the first twelve months after issue date. There- after, bonds presented for payment prior to age 59-1/2 years carry a penalty except in case of death or disability or upon "roll-over" to other authorized investments. 14Redeemable at any time effective with the 1984 Tax Reform Act. The redemption proceeds should be reported as income unless reinvested into an individual retirement plan or an employee plan qualified under Section 401 of the Internal Revenue Code. 15Excludes $25 million United States Notes issued prior to July 1, 1929, determined pursuant to Act of June 30, 1961, 31 U.S.C. 5119, to have been destroyed or irretrievably lost. 16Excludes $29 million National Bank Notes issued prior to July 1, 1929, and $2 million Federal Reserve Bank Notes issued prior to July 1, 1929, determined pursuant to Act of June 30, 1961, 31 U.S.C. 5119 to have been destroyed or irretrievably lost. 17Excludes $200 million Silver Certificates issued after June 30, 1929, determined pursuant to Act of June 24, 1967, to have been destroyed or irretrievably lost. 18Effective May 1, 1987, securities held in stripped form were eligible for reconstitution to their unstripped form. 19Includes $33,996 million of 1-7/8% Treasury Notes Series T and $315 million of Government Account Series which matured Saturday, December 31, 2005. Settlement day will be Tuesday, January 3, 2006. 20Totals for "Intragovernmental Holdings" and "Total Treasury Securities Outstanding" do not agree with the Daily Treasury Statement (DTS) dated December 30, 2005, due to an adjustment of $11 million reported by the Bureau of the Public Debt after the publication of the DTS. GENERAL: The outstanding balances in this statement are based upon daily cash activity reports from Federal Reserve Banks and Bureau Offices and are subject to audit and subsequent adjustments. GIFTS TO REDUCE DEBT HELD BY THE PUBLIC: November 2005 Fiscal Year 2006 to Fiscal Year 2005 $55,056.29 $206,816.74 $1,455,541.65 The data reported represents a one or two month lag behind the date of the Monthly Statement of the Public Debt. MATURITIES: a Total Marketable consists of short-term debt (1 year and less) of $963,866 million, long-term debt (greater than 1 year) of $3,185,990 million and matured debt of $34,103 million. b Total Nonmarketable consists of short-term debt (1 year and less) of $340,013 million, long-term debt (greater than 1 year) of $3,632,192 million and matured debt of $14,249 million. TAX STATUS: c Issued pursuant to Sec. 832(e), Internal Revenue Code of 1954. d The difference between the price paid for a Treasury Bill and the amount received at redemption upon maturity is treated as ordinary income. If the bill is sold before maturity, part of the difference between the holder's basis (cost) and the gain realized may be treated as capital gain and part may be treated as ordinary income. Under Section 1281 of the Internal Revenue Code, some holder of Treasury Bills are required to include currently in income a portion of the discount accruing in the taxable year. e Income derived from these securities is subject to all taxes now or hereafter imposed under the Internal Revenue Code of 1986, as amended. f These securities are exempt from all taxation now or hereafter imposed on the principal by any state or any possession of the United States or of any local taxing authority. Available on the fourth business day of each month.