MONTHLY STATEMENT OF THE PUBLIC DEBT OF THE UNITED STATES OCTOBER 31, 2006 (Details may not add to totals) TABLE I -- SUMMARY OF TREASURY SECURITIES OUTSTANDING, OCTOBER 31, 2006 (Millions of dollars) Amount Outstanding Title Debt Held Intragovernmental Totals By the Public Holdings Marketable: Bills....................................... 926,025 3,491 929,517 Notes....................................... 2,442,789 1,596 2,444,385 Bonds....................................... 534,472 237 534,709 Treasury Inflation-Protected Securities..... 415,277 82 415,359 Federal Financing Bank 1 ................. 0 14,000 14,000 Total Marketable a........................... 4,318,562 2 19,407 4,337,969 Nonmarketable: Domestic Series............................. 29,995 0 29,995 Foreign Series.............................. 2,986 0 2,986 R.E.A. Series............................... 1 0 1 State and Local Government Series........... 241,728 0 241,728 United States Savings Securities............ 203,210 0 203,210 Government Account Series................... 78,434 3,684,311 3,762,745 Other....................................... 5,695 0 5,695 Total Nonmarketable b........................ 562,049 3,684,311 4,246,360 Total Public Debt Outstanding................. 4,880,611 3,703,718 8,584,329 TABLE II -- STATUTORY DEBT LIMIT, OCTOBER 31, 2006 Amount Outstanding Debt Held Intragovernmental Totals By the Public 19 Holdings Debt Subject to Limit: 19 Public Debt Outstanding..................... 4,880,611 3,703,718 8,584,329 Less Amounts Not Subject to Limit: Other Debt Not Subject to Limit........... 505 0 505 Unamortized Discount 3................... 32,427 39,477 71,904 Federal Financing Bank 1 ............ 0 14,000 14,000 Total Public Debt Subject to Limit.......... 4,847,679 3,650,241 8,497,920 Other Debt Subject to Limit: Guaranteed Debt of Government Agencies 4 96 0 96 Total Public Debt Subject to Limit.......... 4,847,775 3,650,241 8,498,016 Statutory Debt Limit 5..................................................................... 8,965,000 Balance of Statutory Debt Limit............................................................. 466,984 COMPILED AND PUBLISHED BY THE BUREAU OF THE PUBLIC DEBT www.publicdebt.treas.gov