September 23, 2002Guaranty • October 30th, 2002 • Frontier Oil Corp /New/ • Petroleum refining
We refer to (1) the Revolving Credit Agreement dated as of November 16, 1999 among Frontier Oil and Refining Company (the “Borrower”), the lenders referred to therein (the “Lenders”), Union Bank of California, N.A., as Administrative Agent (the “Agent”), Documentation Agent and Lead Arranger, and BNP Paribas (successor to Paribas), as Syndication Agent and Lead Arranger, as amended by the First Amendment to Revolving Credit Agreement and First Amendment to Guaranty dated September 20, 2000, the Second Amendment to Revolving Credit Agreement and Second Amendment to Guaranty and First Amendment to Clawback Agreement dated as of June 20, 2001 and the Third Amendment to Revolving Credit Agreement and Notice Thereunder and Fifth Amendment to Guaranty dated January 30, 2002 (said Agreement, as so amended, herein called the “Credit Agreement”), and (2) the Guaranty dated as of November 16, 1999 made by Frontier Holdings, Inc., Frontier Refining & Marketing Inc., Frontier Refining Inc., Fronti
