0001193125-11-249046 Sample Contracts

ENBRIDGE ENERGY PARTNERS, L.P. as Issuer and U.S. BANK NATIONAL ASSOCIATION as Trustee 4.20% NOTES DUE 2021 TWELFTH SUPPLEMENTAL INDENTURE Dated as of September 15, 2011

Supplemental Indenture • September 15th, 2011 • Enbridge Energy Partners Lp • Pipe lines (no natural gas) • New York

• Contract Type
  Supplemental Indenture
• Filed
  September 15th, 2011
• Company
  Enbridge Energy Partners Lp
• Industry
  Pipe lines (no natural gas)
• Jurisdiction
  New York

TWELFTH SUPPLEMENTAL INDENTURE dated as of September 15, 2011 (this “Supplemental Indenture”), between Enbridge Energy Partners, L.P., a Delaware limited partnership (the “Partnership” or the “Issuer”), and U.S. Bank National Association, a national banking association, as successor trustee to SunTrust Bank (the “Trustee”),