1 EXHIBIT 10.15 EIGHTH SUPPLEMENT AMENDING NORTHERN BORDER PIPELINE COMPANY GENERAL PARTNERSHIP AGREEMENT DATED MAY 21, 1999 This Agreement is dated as of May 21, 1999 (the "Eighth Supplement") by and among (i) the "Divesting Partners," consisting of...Northern Border Pipeline Co • October 7th, 1999
INDENTURENorthern Border Pipeline Co • October 7th, 1999 • New York
1 EXHIBIT 4.2Registration Rights Agreement • October 7th, 1999 • Northern Border Pipeline Co • New York
