Common Contracts

EXECUTION VERSION FIRST SUPPLEMENTAL INDENTURE

First Supplemental Indenture • November 2nd, 2006 • ITC Holdings Corp. • Electric services • New York

• Contract Type
  First Supplemental Indenture
• Filed
  November 2nd, 2006
• Company
  ITC Holdings Corp.
• Industry
  Electric services
• Jurisdiction
  New York

Exhibit 4.2 FIRST SUPPLEMENTAL INDENTURE

First Supplemental Indenture • August 10th, 2004 • Norfolk Southern Railway Co /Va/ • Railroads, line-haul operating • New York

• Contract Type
  First Supplemental Indenture
• Filed
  August 10th, 2004
• Company
  Norfolk Southern Railway Co /Va/
• Industry
  Railroads, line-haul operating
• Jurisdiction
  New York

To INDENTURE Dated as of June 29, 1989

First Supplemental Indenture • September 18th, 2003 • Inco LTD • Primary smelting & refining of nonferrous metals

• Contract Type
  First Supplemental Indenture
• Filed
  September 18th, 2003
• Company
  Inco LTD
• Industry
  Primary smelting & refining of nonferrous metals

TO

First Supplemental Indenture • April 3rd, 2001 • Iron Mountain Inc/Pa • Public warehousing & storage • New York

• Contract Type
  First Supplemental Indenture
• Filed
  April 3rd, 2001
• Company
  Iron Mountain Inc/Pa
• Industry
  Public warehousing & storage
• Jurisdiction
  New York

AND BANKERS TRUST COMPANY, TRUSTEE

First Supplemental Indenture • November 24th, 1997 • Ensco International Inc • Drilling oil & gas wells

• Contract Type
  First Supplemental Indenture
• Filed
  November 24th, 1997
• Company
  Ensco International Inc
• Industry
  Drilling oil & gas wells

FIRST SUPPLEMENTAL INDENTURE Dated as of November 18, 1996 to SENIOR INDENTURE Dated as of November 15, 1996

First Supplemental Indenture • March 28th, 1997 • Freeport McMoran Copper & Gold Inc • Metal mining • New York

• Contract Type
  First Supplemental Indenture
• Filed
  March 28th, 1997
• Company
  Freeport McMoran Copper & Gold Inc
• Industry
  Metal mining
• Jurisdiction
  New York