MONTHLY STATEMENT OF THE PUBLIC DEBT OF THE UNITED STATES MAY 31, 2008 TABLE I -- SUMMARY OF TREASURY SECURITIES OUTSTANDING, MAY 31, 2008 (Millions of dollars) Amount Outstanding Title Debt Held Intragovernmental Totals By the Public Holdings Marketable: Bills....................................... 1,114,547 4,699 1,119,245 Notes....................................... 2,475,730 855 2,476,584 Bonds....................................... 580,983 76 581,059 Treasury Inflation-Protected Securities 23. 494,202 93 494,295 Federal Financing Bank 1 ................. 0 14,000 14,000 Total Marketable a........................... 4,665,461 19,722 2 4,685,184 Nonmarketable: Domestic Series............................. 29,995 0 29,995 Foreign Series.............................. 3,286 0 3,286 R.E.A. Series............................... 1 0 1 State and Local Government Series........... 280,017 0 280,017 United States Savings Securities............ 195,225 0 195,225 Government Account Series................... 100,448 4,090,377 4,190,825 Other....................................... 4,265 0 4,265 Total Nonmarketable b........................ 613,238 4,090,377 4,703,615 Total Public Debt Outstanding 23............. 5,278,699 4,110,100 9,388,799 TABLE II -- STATUTORY DEBT LIMIT, MAY 31, 2008 (Millions of dollars) Amount Outstanding Title Debt Held Intragovernmental Totals By the Public 19 Holdings Debt Subject to Limit: 19 Public Debt Outstanding..................... 5,278,699 4,110,100 9,388,799 Less Amounts Not Subject to Limit: Other Debt Not Subject to Limit........... 497 0 497 Unamortized Discount 3................... 26,109 24,107 50,217 Federal Financing Bank 1 ............ 0 14,000 14,000 Total Public Debt Subject to Limit.......... 5,252,093 4,071,992 9,324,086 Other Debt Subject to Limit: Guaranteed Debt of Government Agencies 4 51 0 51 Total Public Debt Subject to Limit 23...... 5,252,144 4,071,992 9,324,137 Statutory Debt Limit 5..................................................................... 9,815,000 Balance of Statutory Debt Limit............................................................. 490,863 COMPILED AND PUBLISHED BY THE BUREAU OF THE PUBLIC DEBT www.TreasuryDirect.gov