UNITED STATES 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: October 7, 1999 Commission File Number 1-12202 NORTHERN BORDER PARTNERS, L.P. (Exact name of registrant as specified in its charter) Delaware 93-1120873 (State or other jurisdiction of (I.R.S. Employer Identification incorporation or organization) Number) Enron Building 1400 Smith Street Houston, Texas 77002 (Address of principal executive (Zip code) offices) (713) 853-6161 (Registrant's telephone number, including area code) Item 5. Other Events. Northern Border Pipeline Company has filed with the Securities and Exchange Commission a registration statement on Form S-4 (File No. 333-88577) relating to the offering of up to $200,000,000 of its 7.75% Senior Notes due 2009, Series A. Such registration statement is incorporated herein by reference. 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 hereunto duly authorized. NORTHERN BORDER PARTNERS, L.P. (A Delaware Limited Partnership) Date: October 7, 1999 By: JERRY L. PETERS Jerry L. Peters Chief Financial and Accounting Officer