SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K Current Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): JULY 12, 2004 NORTHERN BORDER PARTNERS, L.P. (Exact name of registrant as specified in its charter) DELAWARE 1-12202 93-1120873 (State or other jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 13710 FNB PARKWAY 68154-5200 OMAHA, NEBRASKA (Zip Code) (Address of principal executive offices) (402) 492-7300 (Registrant's telephone number, including area code) ITEMS 5 AND 12. OTHER EVENTS AND REGULATION FD DISCLOSURE AND DISCLOSURE OF RESULTS OF OPERATIONS AND FINANCIAL CONDITION. Attached as Exhibit 99.1 is a copy of a press release, dated July 12, 2004, regarding Northern Border Partners, L.P.'s anticipated financial results for the second quarter of 2004. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits. 99.1 Northern Border Partners, L.P. press release dated July 12, 2004. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Northern Border Partners, L.P. (A Delaware Limited Partnership) Dated: July 12, 2004 By: /s/ Jerry L. Peters ------------------------------------ Jerry L. Peters Chief Financial & Accounting Officer EXHIBIT INDEX Exhibit 99.1 -- Northern Border Partners, L.P. Press Release dated July 12, 2004.