0000110430-10-000052 Sample Contracts

FRONTIER OIL CORPORATION, as Issuer, THE GUARANTORS NAMED HEREIN and WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee FIRST SUPPLEMENTAL INDENTURE dated as of November 22, 2010 to Indenture dated as of November 22, 2010 Providing for Issuance of

Supplemental Indenture • November 22nd, 2010 • Frontier Oil Corp /New/ • Petroleum refining • New York

• Contract Type
  Supplemental Indenture
• Filed
  November 22nd, 2010
• Company
  Frontier Oil Corp /New/
• Industry
  Petroleum refining
• Jurisdiction
  New York

THIS FIRST SUPPLEMENTAL INDENTURE, dated as of November 22, 2010 (this “First Supplemental Indenture”), supplements and amends the Indenture dated as of November 22, 2010 (the “Original Indenture”) among FRONTIER OIL CORPORATION, a Wyoming corporation, as issuer (the “Company”), the GUARANTORS (as defined hereinafter) named therein and WELLS FARGO BANK, NATIONAL ASSOCIATION, a national banking association, as trustee (the “Trustee”).